Check Alternator; Check Engine Valve Clearance, Adjust; Check Vibration Damper - Komatsu PC450-8 Operation & Maintenance Manual

MAINTENANCE
4. Stop the engine.
5. Turn the starting switch to the ON position (B).
6. Set lock lever to FREE position (F), then operate the work
equipment control levers and the attachment control pedal
(if equipped) fully to the front, rear, left, and right to release
the pressure in the control circuit.
7. Set the lock lever to the LOCK position, then turn the starting switch to the OFF position.
8. Insert the lock pin in position (a) so that the attachment
control pedal cannot be operated.
(If equipped)

CHECK ALTERNATOR

Contact your Komatsu distributor to have the alternator checked.
If the engine is started frequently, have this inspection carried out every 1000 hours.

CHECK ENGINE VALVE CLEARANCE, ADJUST

Special tools are needed for inspection and maintenance, so contact your Komatsu distributor.

CHECK VIBRATION DAMPER

Check that there are no cracks or peeling in the outside surface of the rubber.
If any cracks or peeling are found, contact your Komatsu distributor to have the parts replaced.
MAINTENANCE PROCEDURE
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