EVERY 4000 HOURS MAINTENANCE
Maintenance for every 100, 250, 500, 1000 and 2000 hours should be performed at the same time.
REPLACE DEFINED LIFE P
ARTS
Material quality of these parts can change as time passes and they are likely to wear out or deteriorate.
Replace them every 2 years or every 4000 hours, whichever comes sooner.
DEFINED LIFE PARTS LIST
No. Periodical replacement parts
1 Fuel system Fuel hose
Spill hose
Ask your Komatsu distributor for
replacement.
2 Engine lubrication system Engine oil filter hose
3 Work equipment hydraulic
system
Main pump delivery hose
Pump delivery hose
Pump branch hose
Main pump LS hose
External work equipment hose
• Boom foot connection hose
• Boom cylinder hose
• Arm connection hose
• Line hose for additional attachment
4 Others PPC accumulator
MAINTENANCE MAINTENANCE PROCEDURE
4-99
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