.
MAINTENANCE
SERVICE PROCEDURE
EVERY 4000 HOURS SERVICE
Maintenance for every 50, 100, 250, 500, 1000 and 2000 hours service should be carried out at the same time.
CHECK WATER PUMP
Check that there is no play in the pulley or any grease leakage, water leakage, or clogging of the drain hole. If any
problem is found, contact your Komatsu distributor for disassembly and repair or replacement.
CHECK VIBRATION DAMPER
Check that there is no drum-shaped deformation of the surface of the damper, and check that there are no traces
of leakage of the damper oil around the damper.
If any abnormality is found, please contact your Komatsu distributor for replacement of the parts.
CHECK FAN PULLEY AND TENSION PULLEY
Check for play of the pulley and leakage of grease. If any problem is found, please contact your Komatsu distributor.
CHECK AIR CONDITIONER COMPRESSOR, ADJUST
As special tool is required for checking and adjusting the parts, request Komatsu distributor for service.
REPLACE INJECTOR
Ask your Komatsu distributor to carry out this work.
CHECKING FOR LOOSENESS OF HIGH-PRESSURE CLAMP, HARDENING OF RUBBER
Check visually and touch with your fingers to check that there are no loose bolts or hardening of rubber parts at
clamps (1) to (15). If there is any looseness or hardened rubber, contact your Komatsu distributor for replacement.
NOTICE
If the engine continues to be operated when there are loose clamps or hardened or missing rubber, the connections of the
high-pressure piping may be damaged by the friction or vibration.
Always check that the high-pressure piping clamps are fitted correctly.
4 - 68
To Next Page
Need help?
General
