Maintenance
Maintenance plan
G51--001EN07
7/18
02--2011
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relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
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strictly prohibited.
GRID
Maintenance operations of circuit --breaker,
continued
(20000 guaranteed mechanical cycles)
Guide
, continued
The table below is a guide of the operations to be carried out at each mainte-
nance stage :
MAINTENANCE VISITS
(1 or 2 times a year)
INSPECTION
(every 5 years)
OVERHAUL
(OPERATING TIME : 20 years)
OVERHAUL
(ELECTRICAL WEAR : see “Electrical wear limits”,
module S51--051)
OVERHAUL
(MECHANICAL OPERATIONS :
10 000 cycles)
REVISION
for the ventilation (FKG1XP--XV--XW)
(SERVICE LIFE:
≥
25,000 hours/fan)
J
Change (or recondition) interrupting chambers.
J
J
Change tightness seals of enclosure cover.
` J
J
Check the condition of capacitors (if applicable).
` ` J
J
Check the condition of current transformers (if appli-
cable).
` J
J
Check thecondition of potential transformers(if appli-
cable).
` J
J
Check the condition of lightning arresters (if applica-
ble).
J J J J
Check the tightness of C.B. envelope (if busbar is
under pressure).
J
Change tightness seals of enclosure cover (if applica-
ble).
J
Change the FK3--12 command.
J
Change the CB connector rod assy.
` ` J
J
Check the condition of the motor--driven fans (if appli-
cable).
J
Change bearing of axial flow fans and centrifugal
fans.
Legend : (
J
Compulsory) (
`
Recommended)
Summary of Contents for FKG1X
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