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I
NSPECTION
AND
M
AINTENANCE
REV7
/REV3
OI 250 (EN)
9.3.4
Checking the Gas Quality
Take a gas sample and check for compliance with the limits.
- Dew point:
≤
-5°C
1)
- SF
6
conten
t
:
≥
97%
- Acidity (SO
2
):
< 180 ppmv
2)
1) Based on the operating pressure and 20°C.
2) Measurements earliest perform three days after a short circuit.
The required measuring and testing equipment is listed in
“Tools and Auxiliary Equipment” on Page 117)
.
9.3.5
Checking the Contact Resistance
• Check the contact resistance as described in the commissioning
section.
9.3.6
Checking the Operating Times
• Check the operating times as described in the commissioning
section.
9.3.7
Checking the Threaded Connections
• Check all accessible threaded connections (screwed or bolted
joints) to make sure they are tight.
The tightening torques are given in the following sections:
- Installation
- Commissioning
- Troubleshooting
- Reconditioning
Содержание GL 311 F3/4031 P/VE
Страница 2: ......
Страница 10: ...INTRODUCTION 10 146 OI 250 EN REV7 REV6...
Страница 12: ...SAFETY 12 146 OI 250 EN REV7 REV3...
Страница 48: ...INSTALLATION 48 146 OI 250 EN REV7 REV7...
Страница 80: ...INSPECTION AND MAINTENANCE 80 146 OI 250 EN REV7 REV3...
Страница 102: ...RECONDITIONING 102 146 OI 250 EN REV7 REV7...
Страница 104: ...END OF LIFE MANAGEMENT 104 146 OI 250 EN REV7 REV2a...
Страница 114: ...SPECIAL EQUIPMENT OPTIONAL 114 146 OI 250 EN REV7 REV0...
Страница 128: ...REPLACEMENT PARTS AND ACCESSORIES 128 146 OI 250 EN REV7 REV6...
Страница 130: ...HANDLING USED SULFUR HEXAFLUORIDE 130 146 OI 250 EN REV7 REV2...