Komatsu PC18MR-3, Operation & Maintenance Manual

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INSTRUMENTS AND CONTROLS
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9. Battery main switch (if installed)
The battery main switch is located inside the engine compartment
and can be reached by opening the engine bonnet (see "3.2.6
ENGINE HOOD").
Turn the key anticlockwise, to (O) OFF, to interrupt the current
supplied by the battery to the electrical system; for safety rea-
sons, extract the key after turning the switch to OFF.
q
Position (O) OFF:
Power supply interrupted.
The key can be extracted in this position.
q
Position (I) ON:
All electric circuits are powered.
Make sure that the switch is at this position before starting the
engine.
IMPORTANT
q
The battery main switch must always be set to ON, except
in the following cases:
q
When the machine is not going to be used for a long
period or when the machine is prepared for prolonged
inactivity.
q
When the electric circuits need to be fixed.
q
When arc welding.
q
When the battery is removed.
q
When a fuse is replaced.
q
Before turning the battery main switch to OFF, wait at least
one minute after shutting off the engine. Never turn the
switch to OFF while the engine is running as the electric
circuits may be seriously damaged.
q
When the battery is disconnected, all electric circuits re-
main powerless, risking losing all data stored regarding
time adjustment or radio channels selection and other
functions.
RKAC0720
RKA26340