REPLACE DEFINED LIFE PARTS
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. Parts for periodic replacement Replacement interval
1 Fuel system Fuel hose
Spill hose
Ask your Komatsu distributor
for replacement.
2
Engine lubrication system Turbocharger lubrication hose
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
• Arm cylinder hose
• Line hose for additional attachment
4 Others PPC accumulator
Accumulator for additional attachment
METHOD FOR CHECKING WATER PUMP
Check around the water pump for oil leakage and water leak-
age.
If any problem is found, contact your Komatsu distributor to
have the parts disassembled, repaired, or replaced.
METHOD FOR CHECKING VIBRATION DAMPER
Ask your Komatsu distributor for inspection of the vibration damper.
MAINTENANCE PROCEDURE MAINTENANCE
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