Replace Defined Life Parts; Method For Checking Water Pump - Komatsu PW118MR-11 Operation & Maintenance Manual

MAINTENANCE PROCEDURE

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
1 Fuel system
2 Engine lubrication system
3 Work equipment hydraulic
system
4 Others

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.
4-78
Necessary parts for periodic replacement
Fuel hose
Spill hose
Turbocharger lubrication oil hose
Engine oil filter hose
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
PPC accumulator
Accumulator for additional attachment
Brake system accumulator
WENAM00130
MAINTENANCE
Replacement interval
Ask your Komatsu distributor
for replacement.