GE GL317D Instruction Manual page 170

Maintenance plan
Maintenance
frequency
08- 2016
Maintenance
Maintenance plan
Under normal operating conditions, the maintenance plan may be defined as
follows:
Type of
examination
Maintenance
visits Once or twice a year
(M1)
Inspections
Every five years
(M2)
Perform when one of the
following criteria is reached:
 operating life time  20
Overhaul
years
(M4)
 number of mechanical
cycles  3,000
 electric wear limit
GE Information
Frequency
It is advisable to perform
at least 2 CO duty cycles
per year, when apparatus
are scarcely used, in order
to
circuit- breaker
associated
circuits
properly.
This
circuit- breaker shutdown. It
is not necessary, however to
dismantle
chambers
sub- assemblies.
However, it is recommended
to proceed with inspection of
the pole or circuit- breaker
used the most, then to adapt
the
programme for the other
breakers depending on the
results observed.
Comment
check that the
and
control
are working
necessitates
interrupting
and other
maintenance
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