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I
NSPECTION
AND
M
AINTENANCE
REV7
/REV3
OI 250 (EN)
9
Inspection and Maintenance
Inspection and maintenance procedures are carried out according
to a schedule.
Reconditioning work is a function of breaker operating frequency
and the breaking current load carried by the circuit breaker.
The specified inspection and maintenance intervals apply to normal
operating conditions. Extreme ambient conditions such as
- continuously high ambient temperatures,
- heavy dust accumulation,
- continuously high humidity,
- severe air pollution by aggressive gases or vapors,
- and service in coastal areas
may make shorter inspection and maintenance intervals necessary.
The intervals are as follows:
Inspection:
On an occasional basis during routine in-
spections, after 6 years at the latest;
Maintenance:
After 12 and 24 years.
The spring operating mechanisms have already been provided with
lifetime lubrication at the factory and are therefore maintenance-
free under normal operating conditions.
Maintenance and reconditioning may only be performed by trained
technicians.
Qualified personnel can be requested from GE. The customer's
staff can be trained at the manufacturer's plant. GE offers training
courses for this purpose.
Oil and cleaning additives attack the silicone surface of the insu-
lator.
Therefore:
- Clean and wash the silicone shielding using only water or
isopropyl alcohol.
CAUTION
Improper relubrication of the mechanisms may lead to problems
or cause the mechanism to malfunction.
CAUTION
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...