HIGH VOLTAGE CIRCUIT BREAKER PART 2

<h3 class="post-title entry-title"> <a href="http://hayatei.blogspot.com/2010/12/high-voltage-circuit-breaker.html">HIGH VOLTAGE CIRCUIT BREAKER PART 1</a></h3><h3 class="post-title entry-title"> </h3><div style="background-color: yellow; color: red; text-align: center;"><span style="font-size: medium;"><span>PNEUMATIC OPERATING DEVICE (KC – 1043) </span></span></div><div style="background-color: white; color: red; text-align: center;"><span style="font-size: small;"><br /> </span></div><div style="background-color: white; color: red; text-align: center;"><span style="font-size: small;"><br /> </span></div><div style="background-color: white; color: red; text-align: center;"><span style="font-size: small;"><br /> </span></div><div style="background-color: white; color: red; text-align: center;"><span style="font-size: small;"><br /> </span></div><div align="center"> <table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin-left: -5.25pt;"><tbody> <tr style="height: 34.65pt;"> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(204, 204, 204) none repeat scroll 0% 0%; border-color: windowtext; border-style: double solid solid double; border-width: 4.5pt 1.1pt 3pt 4.5pt; height: 34.65pt; padding: 0cm; width: 27.35pt;" width="36"> <div align="center" class="MsoNormal" style="direction: ltr; margin-left: 14.4pt; text-align: center; text-indent: -17.65pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">No.</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(204, 204, 204) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1.1pt 3pt medium; height: 34.65pt; padding: 0cm; width: 97.95pt;" width="131"> <h5 align="center" style="margin: 0cm 4.9pt 0.0001pt; text-align: center;">Symptoms</h5></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(204, 204, 204) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 3pt medium; height: 34.65pt; padding: 0cm; width: 133pt;" width="177"> <h6>Cause</h6></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double double solid none; border-width: 4.5pt 4.5pt 3pt medium; height: 34.65pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoHeading7">Remedy</div></td> </tr> <tr style="height: 34.35pt; page-break-inside: avoid;"> <td rowspan="3" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1.1pt 1pt 4.5pt; height: 34.35pt; padding: 0cm; width: 27.35pt;" width="36"> <div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">1.</span></b></div></td> <td rowspan="3" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 34.35pt; padding: 0cm; width: 97.95pt;" width="131"> <div class="MsoNormal" style="direction: ltr; margin-left: 11.65pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Magnetic valve fails to operate</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 34.35pt; padding: 0cm; width: 133pt;" width="177"> <div class="MsoNormal" style="direction: ltr; margin-left: 27pt; text-align: left; text-indent: -23pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Valve locked at low-pressure<span>     </span>position.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 34.35pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Raise pressure.</span></div></td> </tr> <tr style="height: 34.35pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 34.35pt; padding: 0cm; width: 133pt;" width="177"> <div class="MsoNormal" style="direction: ltr; margin-left: 4pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Coil burnt and open circuit</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 34.35pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Replace coil</span></div></td> </tr> <tr style="height: 34.35pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 34.35pt; padding: 0cm; width: 133pt;" width="177"> <div class="MsoNormal" style="direction: ltr; margin-left: 25.1pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(3)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Limit switch malfunctioning, </span><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.5pt;"></span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 34.35pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Adjust pressure on limit switch or replace it.</span></div></td> </tr> <tr style="height: 35.55pt; page-break-inside: avoid;"> <td rowspan="3" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1.1pt 1pt 4.5pt; height: 35.55pt; padding: 0cm; width: 27.35pt;" width="36"> <div align="center" class="MsoNormal" style="direction: ltr; margin-left: 8.65pt; text-align: center; text-indent: -8.65pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">2.</span></b></div></td> <td rowspan="3" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 35.55pt; padding: 0cm; width: 97.95pt;" width="131"> <div class="MsoNormal" style="direction: ltr; margin-left: 11.65pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Magnetic valve stops halfway</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 35.55pt; padding: 0cm; width: 133pt;" width="177"> <div class="MsoNormal" style="direction: ltr; margin-left: 4pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Drop in control pressure.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 35.55pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Raise pressure.</span></div></td> </tr> <tr style="height: 40.7pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 40.7pt; padding: 0cm; width: 133pt;" width="177"> <div class="MsoNormal" style="direction: ltr; margin-left: 20.55pt; text-align: left; text-indent: -20.55pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span> </span>(2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Circuit closing and <span>      </span>circuit opening magnetic </span></div><div align="center" class="MsoNormal" style="direction: ltr; margin-left: -9.45pt; text-align: center; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">valves operate <span>      </span></span></div><div align="center" class="MsoNormal" style="direction: ltr; margin-left: -9.45pt; text-align: center; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span> </span>simultaneously.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 40.7pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Temporarily turn off control power source</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">and operate valve again.</span></div></td> </tr> <tr style="height: 64.4pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 64.4pt; padding: 0cm; width: 133pt;" width="177"> <div class="MsoNormal" style="direction: ltr; margin-left: 27pt; text-align: justify; text-indent: -23pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(3)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Magnetic valve will not self-hold.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 64.4pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Terminal P not supplied with <b>(+)</b> power (Turn on <b>(+)</b> power). Limit switches out of order (refer to descriptions on limit switch).</span></div></td> </tr> <tr style="height: 51.4pt; page-break-inside: avoid;"> <td rowspan="2" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid double double; border-width: medium 1.1pt 4.5pt 4.5pt; height: 51.4pt; padding: 0cm; width: 27.35pt;" width="36"> <div align="center" class="MsoNormal" style="direction: ltr; margin-left: 7.9pt; text-align: center; text-indent: -11.15pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.5pt;">3.</span></b></div></td> <td rowspan="2" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1.1pt 4.5pt medium; height: 51.4pt; padding: 0cm; width: 97.95pt;" width="131"> <div class="MsoNormal" style="direction: ltr; margin-left: 10.2pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">Magnetic valve fails to stop automatically (electric circuit</span> <span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">is kept energized)</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 51.4pt; padding: 0cm; width: 133pt;" width="177"> <div class="MsoNormal" style="direction: ltr; margin-left: 27pt; text-align: justify; text-indent: -23pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Improper pressure on limit switches</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 28.15pt; text-align: left; unicode-bidi: embed;"><br /> </div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 51.4pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Adjust pressure on limit switches.</span></div></td> </tr> <tr style="height: 65.65pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1pt 4.5pt medium; height: 65.65pt; padding: 0cm; width: 133pt;" width="177"> <div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span> </span>(2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Limit switches <span> </span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 20.55pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">malfunctioning (contact metal dposited).</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double double none; border-width: medium 4.5pt 4.5pt medium; height: 65.65pt; padding: 0cm; width: 148.7pt;" width="198"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Replace limit switches.</span></div></td> </tr> </tbody></table></div><h3 class="post-title entry-title" style="font-weight: normal;"><br /> </h3><h3 class="post-title entry-title" style="font-weight: normal; text-align: center;"><span style="font-size: medium;"><span style="background-color: yellow; color: red;">OTHERS</span></span></h3><div align="center"> <table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin-left: 1.6pt;"><tbody> <tr style="height: 33.1pt;"> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext; border-style: double solid solid double; border-width: 4.5pt 1pt 3pt 4.5pt; height: 33.1pt; padding: 0cm; width: 24.3pt;" width="32"> <div align="center" class="MsoNormal" style="direction: ltr; margin-left: 18.5pt; text-align: center; text-indent: -18.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">No.</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 3pt medium; height: 33.1pt; padding: 0cm; width: 72.9pt;" width="97"> <div class="MsoHeading9">Symatoms</div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1.1pt 3pt medium; height: 33.1pt; padding: 0cm; width: 187.15pt;" width="250"> <div align="center" class="MsoHeading8" style="text-align: center; text-indent: -142.1pt;">Cause</div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double double solid none; border-width: 4.5pt 4.5pt 3pt medium; height: 33.1pt; padding: 0cm; width: 138pt;" width="184"> <div align="center" class="MsoNormal" style="direction: ltr; margin-left: 114.75pt; text-align: center; text-indent: -4cm; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Remedy</span></b></div></td> </tr> <tr style="height: 44.5pt; page-break-inside: avoid;"> <td rowspan="4" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 44.5pt; padding: 0cm; width: 24.3pt;" width="32"> <div align="center" class="MsoNormal" style="direction: ltr; text-align: center; text-indent: -5.9pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"><span> </span><b>1.</b></span></div></td> <td rowspan="4" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 44.5pt; padding: 0cm; width: 72.9pt;" width="97"> <div class="MsoNormal" style="direction: ltr; margin-left: 14.35pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Gas leak</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 44.5pt; padding: 0cm; width: 187.15pt;" width="250"> <div class="MsoNormal" style="direction: ltr; margin-left: 31.35pt; text-align: left; text-indent: -21.85pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Packing for sealed part incompletely fitted into groove, and packing is ruptured.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 44.5pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Replace packing for sealed part.</span></div></td> </tr> <tr style="height: 36.8pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 36.8pt; padding: 0cm; width: 187.15pt;" width="250"> <div class="MsoNormal" style="direction: ltr; margin-left: 28.15pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Welded part is defective, and welding material is defective.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 36.8pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Reweld and replace parts.</span></div></td> </tr> <tr style="height: 24.55pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 24.55pt; padding: 0cm; width: 187.15pt;" width="250"> <div class="MsoNormal" style="direction: ltr; margin-left: 28.15pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(3)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Tightening of welded part<span>    </span>insufficient.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 24.55pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Check on tightners.</span></div></td> </tr> <tr style="height: 36.6pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 36.6pt; padding: 0cm; width: 187.15pt;" width="250"> <div class="MsoNormal" style="direction: ltr; margin-left: 28.15pt; text-align: left; text-indent: -20.85pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(4)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Gas density detector malfunctioning.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 36.6pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Readjust or replace gas density detector.</span></div></td> </tr> <tr style="height: 121.85pt; page-break-inside: avoid;"> <td rowspan="5" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid double double; border-width: medium 1pt 4.5pt 4.5pt; height: 121.85pt; padding: 0cm; width: 24.3pt;" width="32"> <div align="center" class="MsoNormal" style="direction: ltr; margin-left: 14.2pt; text-align: center; text-indent: -18.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">2.</span></b></div></td> <td rowspan="5" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1pt 4.5pt medium; height: 121.85pt; padding: 0cm; width: 72.9pt;" width="97"> <div class="MsoNormal" style="direction: ltr; margin-left: 14.35pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Air leak</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 121.85pt; padding: 0cm; width: 187.15pt;" width="250"> <div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Air leak of magnetic valve.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 32.35pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(a)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Valve packing damaged by foreign matter that has infiltrated valve.</span></div><div align="center" class="MsoNormal" style="direction: ltr; margin-left: 75.5pt; text-align: center; text-indent: -24pt; unicode-bidi: embed;"><br /> </div><div class="MsoNormal" style="direction: ltr; margin-left: 32.35pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(b)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Valve seat damaged by foreign matter that has infiltrated valve.</span></div><div align="center" class="MsoNormal" style="direction: ltr; margin-left: 75.5pt; text-align: center; text-indent: -24pt; unicode-bidi: embed;"><br /> </div><div class="MsoNormal" style="direction: ltr; margin-left: 32.35pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(c)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Magnet valve lever broken.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 121.85pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><br /> </div><div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><br /> </div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"><span> </span>(a)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Replace valve <span>   </span></span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"><span>      </span>packing.Remove <span> </span></span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"><span>      </span>foreign matter.</span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"><span> </span>(b) </span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Replace valve <span> </span></span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"><span>      </span>body.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><br /> </div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"><span> </span><b>(c)</b> Replace lever.</span></div></td> </tr> <tr style="height: 26.75pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 26.75pt; padding: 0cm; width: 187.15pt;" width="250"> <div align="center" class="MsoNormal" style="direction: ltr; margin-left: 28.15pt; text-align: center; text-indent: -20.85pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Air leak from Same as (a) and (b) above.main valve.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 26.75pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Same as <b>(a)</b> and <b>(b)</b> above.</span></div></td> </tr> <tr style="height: 18.25pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 18.25pt; padding: 0cm; width: 187.15pt;" width="250"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.3pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"><span> </span>(3)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Air leak from piping system.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 18.25pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Check on tightness.</span></div></td> </tr> <tr style="height: 46.6pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 46.6pt; padding: 0cm; width: 187.15pt;" width="250"> <div class="MsoNormal" style="direction: ltr; margin-left: 28.15pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">(4)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"> Increased amount of air leakage fromairin valve.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 46.6pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;">Measure discharge of airing valve. If </span><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.6pt;">not specified valve, replace airing valve.</span><span style="font-family: Arial; font-size: 11pt; letter-spacing: 1.1pt;"></span></div></td> </tr> <tr style="height: 45.55pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1.1pt 4.5pt medium; height: 45.55pt; padding: 0cm; width: 187.15pt;" width="250"> <div class="MsoNormal" style="direction: ltr; margin-left: 26.4pt; text-align: left; text-indent: -16.9pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.6pt;">(5)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.6pt;"> Others.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double double none; border-width: medium 4.5pt 4.5pt medium; height: 45.55pt; padding: 0cm; width: 138pt;" width="184"> <div class="MsoNormal" style="direction: ltr; margin-left: 7.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">Check packing and check on connections. <i><span style="letter-spacing: 0.7pt;"></span></i></span></div></td> </tr> </tbody></table></div><br /> <br /> <br /> <br /> <table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; margin-left: auto; margin-right: auto; text-align: left;"><tbody> <tr style="height: 30.35pt; page-break-inside: avoid;"> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext; border-style: double solid solid double; border-width: 4.5pt 1pt 1pt 4.5pt; height: 30.35pt; padding: 0cm; width: 134.25pt;" width="179"> <div class="MsoNormal" style="direction: ltr; margin-left: 54.95pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.1pt;">Trouble</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 1pt medium; height: 30.35pt; padding: 0cm; width: 150pt;" width="200"> <div align="right" class="MsoNormal" style="direction: ltr; margin-right: 29.9pt; text-align: right; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.1pt;">Possible Causes</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double double solid none; border-width: 4.5pt 4.5pt 1pt medium; height: 30.35pt; padding: 0cm; width: 150pt;" width="200"> <div align="right" class="MsoNormal" style="direction: ltr; margin-right: 24.05pt; text-align: right; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.1pt;">Possible Remedial</span></b></div><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.1pt;">Action</span></b></div></td> </tr> <tr style="height: 101.25pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 101.25pt; padding: 0cm; width: 134.25pt;" width="179"> <div class="MsoNormal" style="direction: ltr; margin-left: 10.3pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Low insulation Resistance</span></b></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.3pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(below 2000 Mega-ohms) between</span></div><div class="MsoBodyTextIndent3">-<span>  </span>Phase terminal and grounded frame, with breaker closed</div><div class="MsoNormal" style="direction: ltr; margin-left: 24pt; text-align: left; text-indent: -12pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">-<span>  </span>Phase terminals of a pole.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 101.25pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Moisture</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Dirty insulation surface <span> </span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span>  </span>internal and/or external</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Poor oil</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Carbon/copper particles</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 16.3pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">sticking to internal surface</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 101.25pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 14.45pt; text-align: left; text-indent: -14.45pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;"><span> </span>-<span>  </span><span style="letter-spacing: 0.4pt;">Circulate dry hot air or oil through the breaker</span> <span style="letter-spacing: 0.4pt;">pole for 4 to 6 hours.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 15.55pt; text-align: left; text-indent: -13.1pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- </span><span style="font-family: Arial; font-size: 11pt;">Dismantle, clean, reassemble insulation resistance should be above, 2000 Megaohm, for 1.1 kV and above 10,000 megaohms above 36 kV<span style="letter-spacing: 0.4pt;"></span></span></div></td> </tr> <tr style="height: 84.45pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 84.45pt; padding: 0cm; width: 134.25pt;" width="179"> <div class="MsoNormal" style="direction: ltr; margin-left: 10.3pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Resistance between Terminals of Pole too high</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.3pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(above 100 microhms) (15 microhm per joint) contact</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 84.45pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Reduced contact <span> </span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span>  </span>pressure</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Loose connections</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Contact surface damaged</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 13.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">due to repeated operations</span></div><div class="MsoNormal" style="direction: ltr; margin: 0cm 29.9pt 0.0001pt 6pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Insufficient contact <span> </span></span></div><div class="MsoNormal" style="direction: ltr; margin-right: 29.9pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span>    </span>wipe</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Oxide film on contact</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 13.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">surface</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 84.45pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 20.45pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Dismantle, repair and as </span></div><div class="MsoNormal" style="direction: ltr; margin-left: 15.55pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">semble again. If necessary, replace the contacts</span></div></td> </tr> <tr style="height: 107.55pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 107.55pt; padding: 0cm; width: 134.25pt;" width="179"> <div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -7.7pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Unequal contact Wipe</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> andTravel in 3-pole Measured from top surface of interrupter flange and the contact tip<b> </b>by a simple rod with</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.3pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- breaker open</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.3pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- breaker closed</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 107.55pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Contact erosion due to <span> </span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span>   </span>re-</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 13.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">peated load operations or</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 13.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">short circuit operations</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Unequal length due to <span> </span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span>   </span>Wrong <span> </span>adjustments <span> </span>of</span></div><div class="MsoNormal" style="direction: ltr; margin-right: 29.9pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"><span>     </span>linkages</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 107.55pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Inspect contact tips</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Replace if badly eroded</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 14.45pt; text-align: left; text-indent: -6pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">- Adjust contact if lengths are unequal in three pole</span></div></td> </tr> <tr style="height: 79.45pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 79.45pt; padding: 0cm; width: 134.25pt;" width="179"> <div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -7.7pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">One of the pole does not close</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 79.45pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Pull rod for contact damaged </span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">One the links of that pole broken.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Contact of that pole severely damaged</span></span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 79.45pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">    </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">dismantle the pole and repair the defect.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.7pt; text-align: left; unicode-bidi: embed;"><br /> </div></td> </tr> <tr style="height: 130.15pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid double double; border-width: medium 1pt 4.5pt 4.5pt; height: 130.15pt; padding: 0cm; width: 134.25pt;" width="179"> <div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -7.7pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Breaker operation too slow during opening</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (Timing from trip command to contact separation instant too large (60 ms intead of say 40 ms)</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1pt 4.5pt medium; height: 130.15pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Excessive friction in the pole unit.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Contact grip to high.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Trip coil operation sluggish.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Low battery voltage, hence higher trip coil pick-up-time</span></span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double double none; border-width: medium 4.5pt 4.5pt medium; height: 130.15pt; padding: 0cm; width: 150pt;" width="200"> <div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Chech control circuit.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Chech closing spring visually.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Indentify the cause and take remedial action</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Check supply to spring changing motor.</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 23.7pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-size: 11pt; letter-spacing: 0.4pt;"><span>-<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">      </span></span></span><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Check pressure switches, relays, control wiring. </span></span></div></td> </tr> </tbody></table><div> </div><h3 class="post-title entry-title" style="font-weight: normal; text-align: center;"><br /> </h3><div align="center"> <table border="1" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; border: medium none; margin-left: 1.15pt;"><tbody> <tr style="height: 31.45pt;"> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext; border-style: double solid solid double; border-width: 4.5pt 1pt 2.25pt 4.5pt; height: 31.45pt; padding: 0cm; width: 31.1pt;" width="41"> <div class="MsoNormal" style="direction: ltr; margin-left: 4.95pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">No</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 2.25pt medium; height: 31.45pt; padding: 0cm; width: 85.35pt;" width="114"> <div align="center" class="MsoNormal" style="direction: ltr; margin-right: 32.75pt; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">ANN Item</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 2.25pt medium; height: 31.45pt; padding: 0cm; width: 84.25pt;" width="112"> <div align="center" class="MsoNormal" style="direction: ltr; margin-right: 22.65pt; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">Initiation</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 2.25pt medium; height: 31.45pt; padding: 0cm; width: 100.4pt;" width="134"> <div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">Probable Cause</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double double solid none; border-width: 4.5pt 4.5pt 2.25pt medium; height: 31.45pt; padding: 0cm; width: 124.8pt;" width="166"> <div align="center" class="MsoNormal" style="direction: ltr; margin-right: 37.1pt; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">Action and/or Countermeasure</span></b></div></td> </tr> <tr style="height: 60.4pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 60.4pt; padding: 0cm; width: 31.1pt;" width="41"> <div class="MsoNormal" style="direction: ltr; margin-left: 4.95pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">1.</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.4pt; padding: 0cm; width: 85.35pt;" width="114"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">230 kv gen, transf</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">breaker tripped</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.4pt; padding: 0cm; width: 84.25pt;" width="112"> <div class="MsoNormal" style="direction: ltr; margin: 0cm 22.65pt 0.0001pt 10.15pt; text-align: left; text-indent: -10.15pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;"><span> </span>1.</span></b><span style="font-family: Arial; font-size: 11pt;"> lock out relay BTG</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.15pt; text-align: left; text-indent: -10.15pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;"><span> </span><b>2.</b> Pole discrepancy</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.4pt; padding: 0cm; width: 100.4pt;" width="134"> <div align="center" class="MsoNormal" style="direction: ltr; margin-right: 22.65pt; text-align: center; unicode-bidi: embed;"><br /> </div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 60.4pt; padding: 0cm; width: 124.8pt;" width="166"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.95pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">Confirm the operated relay(s) by the taget on P.R.P.</span></div></td> </tr> <tr style="height: 60.4pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 60.4pt; padding: 0cm; width: 31.1pt;" width="41"> <div class="MsoNormal" style="direction: ltr; margin-left: 4.95pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">2.</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.4pt; padding: 0cm; width: 85.35pt;" width="114"> <div class="MsoNormal" style="direction: ltr; margin-left: 4.2pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">230 kv gen, transf, breaker</span></div><div class="MsoNormal" style="direction: ltr; margin: 0cm 32.75pt 0.0001pt 4.2pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">trip circuit unhealthy</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.4pt; padding: 0cm; width: 84.25pt;" width="112"> <div class="MsoNormal" style="direction: ltr; margin-left: 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">230 kv gen. trans.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">breaker. Trip circuit</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">open.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.4pt; padding: 0cm; width: 100.4pt;" width="134"> <div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -12.15pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">1.</span></b><span style="font-family: Arial; font-size: 11pt;">Circuit breaker gas and/or air pressure</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">low.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -12.15pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">2.</span></b><span style="font-family: Arial; font-size: 11pt;">Failure of aux, relay circuit.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 60.4pt; padding: 0cm; width: 124.8pt;" width="166"> <div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -12pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">1.</span></b><span style="font-family: Arial; font-size: 11pt;"> Check gas pressure and /or air pressure.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -12.65pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">2.</span></b><span style="font-family: Arial; font-size: 11pt;"> Check the auxiliary relay circuit by circuit tester.</span></div></td> </tr> <tr style="height: 60.95pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 60.95pt; padding: 0cm; width: 31.1pt;" width="41"> <div class="MsoNormal" style="direction: ltr; margin-left: 4.95pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">3.</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.95pt; padding: 0cm; width: 85.35pt;" width="114"> <div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;"><span>  </span>230 kv gen. <span>   </span></span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;"><span>  </span>transf. breaker</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">air and gas- press. Low</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.95pt; padding: 0cm; width: 84.25pt;" width="112"> <div class="MsoNormal" style="direction: ltr; margin-left: 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">230 kv gen. transf.</span></div><div class="MsoNormal" style="direction: ltr; margin: 0cm 22.65pt 0.0001pt 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">breaker, 30ACB,</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">30GCB, 30G1</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">operation.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 60.95pt; padding: 0cm; width: 100.4pt;" width="134"> <div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -12pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">1.</span></b><span style="font-family: Arial; font-size: 11pt;">Gas and/or air pressure low.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -12.15pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">2.</span></b><span style="font-family: Arial; font-size: 11pt;"> Gas and/or air valve fault.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -12.15pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">3.</span></b><span style="font-family: Arial; font-size: 11pt;">Fault of air compressor.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 60.95pt; padding: 0cm; width: 124.8pt;" width="166"> <div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -12.65pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">1.</span></b><span style="font-family: Arial; font-size: 11pt;"> Check gas pressure and/or air pressure.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -12.65pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">2.</span></b><span style="font-family: Arial; font-size: 11pt;"> Check if any leakage in values and/or piping.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -12.65pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">3.</span></b><span style="font-family: Arial; font-size: 11pt;"> Check the operating condition of air compressor.</span></div></td> </tr> <tr style="height: 74.05pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 74.05pt; padding: 0cm; width: 31.1pt;" width="41"> <div class="MsoNormal" style="direction: ltr; margin-left: 4.95pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">4.</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 74.05pt; padding: 0cm; width: 85.35pt;" width="114"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">230 kv gen. transf- BXR</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">pole discrepancy.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 74.05pt; padding: 0cm; width: 84.25pt;" width="112"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">230 kv gen, transf,</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">breaker.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 74.05pt; padding: 0cm; width: 100.4pt;" width="134"> <div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -12pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">1.</span></b><span style="font-family: Arial; font-size: 11pt;">Circuit breaker aux. contact failure.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.85pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">2.</span></b><span style="font-family: Arial; font-size: 11pt;">Timer Tix fault.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 74.05pt; padding: 0cm; width: 124.8pt;" width="166"> <div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -12.65pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">1.</span></b><span style="font-family: Arial; font-size: 11pt;"> After disconnecting the circuit breaker from the</span><span style="font-family: Arial; font-size: 11pt;">system,</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -12.65pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;"><span>    </span>operate the breaker and check the circuit by tester.</span><span style="font-family: Arial; font-size: 11pt;"></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -12pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">2.</span></b><span style="font-family: Arial; font-size: 11pt;"> Check the operating time of the timer.</span></div></td> </tr> <tr style="height: 104.3pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid double double; border-width: medium 1pt 4.5pt 4.5pt; height: 104.3pt; padding: 0cm; width: 31.1pt;" width="41"> <div class="MsoNormal" style="direction: ltr; margin-left: 4.95pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;">5.</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1pt 4.5pt medium; height: 104.3pt; padding: 0cm; width: 85.35pt;" width="114"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">230 kv gen. transf. BXR</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">incomplete transfer</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1pt 4.5pt medium; height: 104.3pt; padding: 0cm; width: 84.25pt;" width="112"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">Maintenance</span></div><div class="MsoNormal" style="direction: ltr; margin: 0cm 22.65pt 0.0001pt 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">transfer</span></div><div class="MsoNormal" style="direction: ltr; margin: 0cm 22.65pt 0.0001pt 10.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">( MTS),</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">switch circuit.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1pt 4.5pt medium; height: 104.3pt; padding: 0cm; width: 100.4pt;" width="134"> <div class="MsoNormal" style="direction: ltr; margin-left: 5.85pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">No change over operator, of MTS switch</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.85pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">to final "BUS TIE" position even when</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 5.85pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt;">the close of bus tie breaker is completed.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double double none; border-width: medium 4.5pt 4.5pt medium; height: 104.3pt; padding: 0cm; width: 124.8pt;" width="166"> <div class="MsoBodyTextIndent2"><span> </span><b>1.</b> Check the MTS switch position as "TRANSFER" and change over it to "BUS TIE" position to open the breaker being transferred.</div><div class="MsoBodyTextIndent2"><b><span> </span>2.</b> Check if any looseness in the MTS switch circuit by tester.</div><div class="MsoNormal" style="direction: ltr; margin-left: 18.6pt; text-align: left; text-indent: -17.5pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt;"><span> </span>3.</span></b><span style="font-family: Arial; font-size: 11pt;"> Check the MTS switch circuit by tester.</span></div></td> </tr> </tbody></table></div><h3 class="post-title entry-title" style="font-weight: normal; text-align: center;"><br /> </h3><h3 class="post-title entry-title" style="font-weight: normal; text-align: center;"><br /> </h3>

HIGH VOLTAGE CIRCUIT BREAKER PART 2

HIGH VOLTAGE CIRCUIT BREAKER PART 1   PNEUMATIC OPERATING DEVICE (KC – 1043)  No. Symptoms Cause Remedy ...

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HIGH VOLTAGE CIRCUIT BREAKER

<div style="text-align: justify;">SUB - OBJECTIVE<br /> <br /> At the end of the lesson the Trainee will be able to analyze the high voltage circuit breakers faults find it out and fix it.</div><br /> <div style="text-align: center;"><span style="background-color: yellow; color: red; font-size: medium;">CIRCUIT BREAKER</span></div><div style="text-align: center;"><br /> </div><div style="text-align: center;"></div><div align="center"><table border="1" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; border: medium none; margin-left: 1.5pt;"><tbody> <tr style="height: 34.3pt;"> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext; border-style: double solid solid double; border-width: 4.5pt 1pt 3pt 4.5pt; height: 34.3pt; padding: 0cm; width: 30.05pt;" width="40"><h4>No</h4></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 3pt medium; height: 34.3pt; padding: 0cm; width: 78.7pt;" width="105"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Symptoms</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 3pt medium; height: 34.3pt; padding: 0cm; width: 125.75pt;" width="168"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Cause</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double double solid none; border-width: 4.5pt 4.5pt 3pt medium; height: 34.3pt; padding: 0cm; width: 193.75pt;" width="258"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Remedy</span></b></div></td> </tr> <tr style="height: 33.3pt; page-break-inside: avoid;"> <td rowspan="2" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 33.3pt; padding: 0cm; width: 30.05pt;" width="40"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">1.</span></b></div></td> <td rowspan="2" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 33.3pt; padding: 0cm; width: 78.7pt;" width="105"><div class="MsoNormal" style="direction: ltr; margin-left: 8.7pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Overheat of</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 11.35pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Contact.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 33.3pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 0.45pt; text-align: left; text-indent: 5.85pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> <b>(I)</b> Poor contact.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 33.3pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Replace wiper spring.</span></div></td> </tr> <tr style="height: 48.65pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 48.65pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 7.5pt; text-align: left; text-indent: 1.5pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Ingress of foreign substances to contact</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 24.3pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">surface or rough main contact.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 48.65pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 26.2pt; text-align: left; text-indent: -18.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(a)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Remove foreign substances.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 26.2pt; text-align: left; text-indent: -18.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(b)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Polish contact surface (replace, if remarkably roughened).</span></div></td> </tr> <tr style="height: 31.7pt; page-break-inside: avoid;"> <td rowspan="7" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid double double; border-width: medium 1pt 4.5pt 4.5pt; height: 31.7pt; padding: 0cm; width: 30.05pt;" width="40"><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">    2.</span></b></div></td> <td rowspan="7" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1pt 4.5pt medium; height: 31.7pt; padding: 0cm; width: 78.7pt;" width="105"><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Failure in inter- Rupting      operation.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 31.7pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 24.3pt; text-align: left; text-indent: -16.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Broken wire or erroneous wiring of opening circuit.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 31.7pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Recheck circuit</span></div></td> </tr> <tr style="height: 147.05pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 147.05pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 24.3pt; text-align: left; text-indent: -16.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Poor contact of auxiliary switch.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 147.05pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(a)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> If auxiliary switch lever of    </span></div><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">     ON/OFF</span></b></div><div class="MsoNormal" style="direction: ltr; margin-left: 31.9pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">shifting operation is found improper,</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 31.9pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">adjusting shifting.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(b)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> If auxiliary switch contact wipe is</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 31.9pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">poor, increase wipe or replace auxiliary switch.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 27pt; text-align: left; text-indent: -19.2pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(c)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Should incomplete contact of auxiliary.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 30pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">switch be caused by looseness of mounting bolts, retighten</span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">          them.</span></div></td> </tr> <tr style="height: 31.5pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 31.5pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 24.3pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(3)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Broken wire of layer short of tripping coil.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 31.5pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Replace coil.</span></div></td> </tr> <tr style="height: 33.05pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 33.05pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 24.3pt; text-align: left; text-indent: -16.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(4)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Breakage of link, on control system.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 33.05pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Replace broken parts.</span></div></td> </tr> <tr style="height: 38.95pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 38.95pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 24.3pt; text-align: left; text-indent: -16.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(5)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Malfunction fo electromagnetic valve.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 38.95pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Repair increased friction parts and defective parts or replace electro – magnetic valve. </span></div></td> </tr> <tr style="height: 38.95pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 38.95pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 24.3pt; text-align: left; text-indent: -16.4pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(6)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Operating air pressure drop.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 38.95pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 25.8pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(a)<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">   </span></span></b><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Check setting pressure of reducing valve. </span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 25.8pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(b)<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">   </span></span></b><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Check air supply source and air leak. </span></span></div></td> </tr> <tr style="height: 38.95pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1pt 4.5pt medium; height: 38.95pt; padding: 0cm; width: 125.75pt;" width="168"><div class="MsoNormal" style="direction: ltr; margin-left: 7.9pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">(7)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;"> Gas pressure drop.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double double none; border-width: medium 4.5pt 4.5pt medium; height: 38.95pt; padding: 0cm; width: 193.75pt;" width="258"><div class="MsoNormal" style="direction: ltr; margin-left: 7.8pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.2pt;">Repair leak places and supply gas.</span></div></td> </tr> </tbody></table></div><br /> <div style="text-align: center;"><br /> </div><div style="text-align: center;"></div><div style="text-align: center;"></div><table border="1" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; border: medium none; margin-left: auto; margin-right: auto; text-align: left;"><tbody> <tr style="height: 27.95pt;"> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext; border-style: double solid solid double; border-width: 4.5pt 1pt 3pt 4.5pt; height: 27.95pt; padding: 0cm; width: 25.75pt;" width="34"><h4>No</h4></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 3pt medium; height: 27.95pt; padding: 0cm; width: 66.5pt;" width="89"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Symptoms</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 3pt medium; height: 27.95pt; padding: 0cm; width: 197.25pt;" width="263"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Cause</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double double solid none; border-width: 4.5pt 4.5pt 3pt medium; height: 27.95pt; padding: 0cm; width: 144.75pt;" width="193"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Remedy</span></b></div></td> </tr> <tr style="height: 41.4pt; page-break-inside: avoid;"> <td rowspan="6" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 41.4pt; padding: 0cm; width: 25.75pt;" width="34"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">3.</span></b></div></td> <td rowspan="6" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 41.4pt; padding: 0cm; width: 66.5pt;" width="89"><div class="MsoNormal" style="direction: ltr; margin-left: 8.4pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Failure of closing</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 8.4pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">operation</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 41.4pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin-left: 30pt; text-align: left; text-indent: -26.45pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">    Broken wire or erroneous wiring of closing control circuit.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 41.4pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Recheck circuit</span></div></td> </tr> <tr style="height: 39pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 39pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin-left: 8.5pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">   Poor contact of Trip free  </span></div><div class="MsoNormal" style="direction: ltr; margin-left: 8.5pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">       </span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Contactor.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 39pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Replace contactor or repair rough contactsurface.</span></div></td> </tr> <tr style="height: 29.4pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 29.4pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin-left: 34.95pt; text-align: left; text-indent: -26.45pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(3)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">   Broken wire or layer short of  coil.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 29.4pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Replace coil.</span></div></td> </tr> <tr style="height: 42.6pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 42.6pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin-left: 8.5pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(4)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">   Malfunction of hook.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 42.6pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Eliminate increased friction and replace defective parts.</span></div></td> </tr> <tr style="height: 21.3pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 21.3pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin-left: 8.5pt; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(5)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">   Breakage of closing spring.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 21.3pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Replace spring</span></div></td> </tr> <tr style="height: 33.3pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 33.3pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">  (6)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">   Gas pressure drop.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 33.3pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Supply gas and repair leak places.</span></div></td> </tr> <tr style="height: 92.1pt;"> <td style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid solid double; border-width: medium 1pt 1pt 4.5pt; height: 92.1pt; padding: 0cm; width: 25.75pt;" width="34"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 2.2pt;">4.</span></b></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; height: 92.1pt; padding: 0cm; width: 66.5pt;" width="89"><div class="MsoNormal" style="direction: ltr; margin-left: 12.2pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Pumping operation</span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><br /> </div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 92.1pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin-left: 25.95pt; text-align: left; text-indent: -19.95pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(1)<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">  </span></span></b><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Erroneous operation of.trip free contactor or poor contact of auxiliary switch (for trip free contactor).</span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 24pt; text-align: left; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(2)<span style="font-family: "Times New Roman"; font-size-adjust: none; font-size: 7pt; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;"> </span></span></b><span dir="LTR"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Defective arrangement of hook and roller on closing link mechanism.</span></span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 92.1pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Check trip free contactor.</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Check and repair link mechanism.</span></div></td> </tr> <tr style="height: 34.15pt; page-break-inside: avoid;"> <td rowspan="5" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid double double; border-width: medium 1.1pt 4.5pt 4.5pt; height: 34.15pt; padding: 0cm; width: 25.75pt;" width="34"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">5.</span></b></div></td> <td rowspan="5" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1.1pt 4.5pt medium; height: 34.15pt; padding: 0cm; width: 66.5pt;" width="89"><div class="MsoNormal" style="direction: ltr; margin-left: 4.3pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Gas leakage</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 34.15pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin-left: 24pt; text-align: left; text-indent: -23.8pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Incomplete insertion of packing into groove or hole on seal, or damaged gasket.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 34.15pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Reweld seal part gasket.</span></div></td> </tr> <tr style="height: 41.95pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 41.95pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">  Defective welding or defective              </span></div><div class="MsoNormal" style="direction: ltr; margin-left: 24pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">material.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 41.95pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Reweld or replace parts.</span></div></td> </tr> <tr style="height: 45.35pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 45.35pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> <b>(3)</b>  Loose joints.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 45.35pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Check fastenings.</span></div></td> </tr> <tr style="height: 50.45pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 50.45pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin: 0cm 5.25pt 0.0001pt 25.95pt; text-align: left; text-indent: -25.95pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> <b>(4)</b>  Mulfunction of gas density detector.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 50.45pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Readjust or replace gas density detector.</span></div></td> </tr> <tr style="height: 179.7pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1.1pt 4.5pt medium; height: 179.7pt; padding: 0cm; width: 197.25pt;" width="263"><div class="MsoNormal" style="direction: ltr; margin-left: 25.95pt; text-align: left; text-indent: -25.95pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (5)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> When gas density detector issues heavy fault alarm due   to broken gas piping etc.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double double none; border-width: medium 4.5pt 4.5pt medium; height: 179.7pt; padding: 0cm; width: 144.75pt;" width="193"><div class="MsoBodyText" style="margin: 0cm 10.7pt 0.0001pt 18.75pt;"><span style="letter-spacing: 0.4pt;">Turn off the backup circuit breaker immediately, and also turn off the disconnecting switch from both ends of circuit breaker to be separate from the circuit.<span dir="RTL" lang="AR-SA"></span></span></div><div class="MsoNormal" style="direction: ltr; margin-left: 18.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">contact with the nearest sale office of Hitachi Ltd. or Kokubu Works directly</span></div></td> </tr> </tbody> </table><div style="text-align: center;"></div><div style="text-align: center;"></div><div style="text-align: center;"></div><div style="text-align: center;">  </div><div></div><table border="1" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; border: medium none; margin-left: auto; margin-right: auto; text-align: left;"><tbody> <tr style="height: 30.85pt;"> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext; border-style: double solid solid double; border-width: 4.5pt 1pt 3pt 4.5pt; height: 30.85pt; padding: 0cm; width: 24.15pt;" width="32"><h4>No</h4></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 3pt medium; height: 30.85pt; padding: 0cm; width: 70.05pt;" width="93"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Symptoms</span></b></div></td> <td colspan="2" style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double solid solid none; border-width: 4.5pt 1pt 3pt medium; height: 30.85pt; padding: 0cm; width: 227.8pt;" width="304"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Cause</span></b></div></td> <td style="-moz-background-clip: border; -moz-background-inline-policy: continuous; -moz-background-origin: padding; background: rgb(217, 217, 217) none repeat scroll 0% 0%; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: double double solid none; border-width: 4.5pt 4.5pt 3pt medium; height: 30.85pt; padding: 0cm; width: 114pt;" width="152"><div align="center" class="MsoNormal" style="direction: ltr; text-align: center; unicode-bidi: embed;"><b><span style="font-family: Arial; letter-spacing: 0.2pt;">Remedy</span></b></div></td> </tr> <tr style="height: 62.2pt; page-break-inside: avoid;"> <td rowspan="7" style="border-color: -moz-use-text-color windowtext windowtext; border-style: none solid double double; border-width: medium 1.1pt 4.5pt 4.5pt; height: 62.2pt; padding: 0cm; width: 24.15pt;" width="32"><div align="center" class="MsoNormal" style="direction: ltr; margin-left: 19.95pt; text-align: center; text-indent: -19.95pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">6.</span></b></div></td> <td rowspan="7" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1.1pt 4.5pt medium; height: 62.2pt; padding: 0cm; width: 70.05pt;" width="93"><div class="MsoNormal" style="direction: ltr; margin-left: 4.3pt; text-align: justify; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Air leakage</span></b></div></td> <td rowspan="3" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 62.2pt; padding: 0cm; width: 120.85pt;" width="161"><div class="MsoNormal" style="direction: ltr; text-align: justify; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (1)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Electromagnetic</span></div><div class="MsoNormal" style="direction: ltr; margin-left: 29.8pt; text-align: justify; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">valve</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 62.2pt; padding: 0cm; width: 106.95pt;" width="143"><div class="MsoNormal" style="direction: ltr; margin-left: 18pt; text-align: left; text-indent: -15.5pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(a)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Damaged valve   gasket due to ingress of  foreign substances.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 62.2pt; padding: 0cm; width: 114pt;" width="152"><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(a)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Replace valve   </span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">     packing.</span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(b) </span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Eliminate foreign   </span></div><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">     substances.</span></div></td> </tr> <tr style="height: 59.8pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 59.8pt; padding: 0cm; width: 106.95pt;" width="143"><div class="MsoNormal" style="direction: ltr; margin-left: 22.85pt; text-align: justify; text-indent: -18pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(b)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Damaged valve seat</span></div><div align="center" class="MsoNormal" style="direction: ltr; margin-left: 27pt; text-align: center; text-indent: -3pt; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">due to ingress of foreign substances.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 59.8pt; padding: 0cm; width: 114pt;" width="152"><div class="MsoNormal" style="direction: ltr; margin-left: 10.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Replace valve body.</span></div></td> </tr> <tr style="height: 42.45pt; page-break-inside: avoid;"> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 42.45pt; padding: 0cm; width: 106.95pt;" width="143"><div align="center" class="MsoNormal" style="direction: ltr; margin-left: 27.75pt; text-align: center; text-indent: -27.75pt; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">(c)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Broken electro-magnetic valve lever.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 42.45pt; padding: 0cm; width: 114pt;" width="152"><div class="MsoNormal" style="direction: ltr; margin-left: 10.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Replace lever.</span></div></td> </tr> <tr style="height: 29.7pt; page-break-inside: avoid;"> <td colspan="2" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 29.7pt; padding: 0cm; width: 227.8pt;" width="304"><div class="MsoNormal" style="direction: ltr; text-align: justify; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (2)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Main valve Same as (a) and (b) above. </span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 29.7pt; padding: 0cm; width: 114pt;" width="152"><div class="MsoNormal" style="direction: ltr; margin-left: 10.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Same as <b>(a)</b> and <b>(b)</b> above.</span></div></td> </tr> <tr style="height: 27.9pt; page-break-inside: avoid;"> <td colspan="2" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 27.9pt; padding: 0cm; width: 227.8pt;" width="304"><div class="MsoNormal" style="direction: ltr; text-align: justify; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (3)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Air leakage from piping sysem.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 27.9pt; padding: 0cm; width: 114pt;" width="152"><div class="MsoNormal" style="direction: ltr; margin-left: 10.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Check fastenings for looseness.</span></div></td> </tr> <tr style="height: 42.45pt; page-break-inside: avoid;"> <td colspan="2" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1.1pt 1pt medium; height: 42.45pt; padding: 0cm; width: 227.8pt;" width="304"><div class="MsoNormal" style="direction: ltr; text-align: left; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (4)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Increase of air leakage from airing  </span></div><div class="MsoNormal" style="direction: ltr; margin-left: 24.15pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">valve.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double solid none; border-width: medium 4.5pt 1pt medium; height: 42.45pt; padding: 0cm; width: 114pt;" width="152"><div class="MsoNormal" style="direction: ltr; margin-left: 10.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Measure discharge of airing valve,and if the measured valve does not complete with the specified value, replace it.</span></div></td> </tr> <tr style="height: 33.85pt; page-break-inside: avoid;"> <td colspan="2" style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid double none; border-width: medium 1.1pt 4.5pt medium; height: 33.85pt; padding: 0cm; width: 227.8pt;" width="304"><div class="MsoNormal" style="direction: ltr; text-align: justify; unicode-bidi: embed;"><b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> (5)</span></b><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;"> Others.</span></div></td> <td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none double double none; border-width: medium 4.5pt 4.5pt medium; height: 33.85pt; padding: 0cm; width: 114pt;" width="152"><div class="MsoNormal" style="direction: ltr; margin-left: 10.75pt; text-align: left; unicode-bidi: embed;"><span style="font-family: Arial; font-size: 11pt; letter-spacing: 0.4pt;">Check gaskets and fastening at joints.</span></div></td> </tr> </tbody></table><div style="text-align: center;"></div><div style="text-align: center;">   </div>  <br /> <h3 class="post-title entry-title"><a href="http://hayatei.blogspot.com/2010/12/high-voltage-circuit-breaker-part-2.html">HIGH VOLTAGE CIRCUIT BREAKER PART 2</a></h3>

HIGH VOLTAGE CIRCUIT BREAKER

SUB - OBJECTIVE At the end of the lesson the Trainee will be able to analyze the high voltage circuit breakers faults find it out and fix ...

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