Komatsu PW118MR-11, Operation & Maintenance Manual

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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
Item Necessary 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 oil hose
Engine oil filter hose
3 Work equipment hydraulic
system Main pump delivery hose
Main pump LS hose
Swing line hose
External work equipment hoses
•
Boom foot connection hose
•
Boom cylinder hose
•
Arm connection hose
• Arm cylinder hose
•
1st and 2nd boom section connection
hose
•
2-piece boom hose
• Bucket cylinder hose
•
Travel line hose
•
Attachment additional line hose
• Blade and/or outriggers cylinder hose
•
Boom swing cylinder hose
•
Service brake hose
•
Steering hose
• Axle locking cylinder hose
4 Others PPC accumulator
Accumulator for additional attachment
Brake system accumulator
METHOD FOR CHECKING WATER PUMP
Check for play of the pulley, oil leakage, water leakage, and clogging of weep hole (drain hole). If anything ab-
normal is found, ask your Komatsu distributor for disassembly and repair or replacement.
MAINTENANCE PROCEDURE MAINTENANCE
4-78
WENAM00130