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MAINTENANCE
SERVICE PROCEDURE
EVERY 4000 HOURS SERVICE
Maintenance for every 250, 500, 1000, and 2000 hours should be performed at the same time.
CHECK PLAY OF TURBOCHARGER ROTOR
Contact your Komatsu distributor to have the rotor play checked.
CLEAN, CHECK TURBOCHARGER
CHECK ENGINE VALVE CLEARANCE, ADJUST
As special tool is required for removing and adjusting the parts, you shall request Komatsu distributor for service.
CHECK WATER PUMP
Check for leakage of oil or water, and check for clogging of
breather hole (drain hole) (1). If any abnormality is found, please
ask your Komatsu distributor to carry out repairs or replacement.
CHECK VIBRATION DAMPER
Check that there is no deformation of the surface of damper (1) and
that there are no signs of leakage of damper oil from around the
damper.
If any abnormality is found, please ask your Komatsu distributor to
carry out replacement.
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