General instructions
Maintenance
IG-136-EN version 10; 23/06/2016
68
cgm.3 system
Fully SF6 gas insulated medium voltage switchgear up to 40.5 kV in accordance with IEC Standards
7.3 Specific maintenance for the cgm.3-v cubicle
The driving mechanisms and other elements outside
the gas tank may require preventive maintenance; the
frequency of this maintenance depends on the existing
environmental conditions (harsh environments, dust,
extreme temperatures, etc.) and must be established in
line with the experience and responsibility of the installer.
Maintenance should be carried out every 5 years or 2000
operating cycles, unless, based on the conditions of use,
the user, together with Ormazabal, considers otherwise.
The recommended preventive maintenance
sequence is described in Operations Manual
MO-079 by Ormazabal.
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