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MAINTENANCE
SERVICE PROCEDURE
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 AIR CONDITIONER COMPRESSOR, ADJUST
(Machine equipped with cab) (If equipped)
As special tool is required for checking and adjusting the parts, request Komatsu distributor for service.
REPLACE INJECTOR ASSEMBLY
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 (4). If there is any looseness or hardened rubber, contact your Komatsu distributor for replacement.
CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER
Check if any of fuel spray prevention caps (1) through (12) is missing, or if any part of the rubber is hardened. If either
of the cases is found, call your Komatsu distributor for the installation or replacement.
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