Every 4000 Hours Maintenance; Replace Defined Life Parts; Method For Checking Water Pump - Komatsu D85EX-18 Operation & Maintenance Manual

MAINTENANCE PROCEDURE
11. Tighten filter cap (1).
Tightening torque: 20 to 25 Nm {2.0 to 2.5 kgm}

EVERY 4000 HOURS MAINTENANCE

Maintenance for every 250, 500, 1000, and 2000 hours services should be performed out at the same time.

REPLACE DEFINED LIFE PARTS

These parts change in material, wear, and deteriorate as they are aged.
Replace them every 2 years or every 4000 hours, whichever comes sooner.
DEFINED LIFE PARTS LIST
No.
1 Fuel system
2 Engine lubrication
system
3 Work equipment hy-
draulic system
4 Others

METHOD FOR CHECKING WATER PUMP

Check around water pump (1) for water leakage.
If any abnormality is found, ask your Komatsu distributor for re-
pair or replacement of the parts.
4-72
Periodical replacement parts
Fuel hose
Spill hose
Turbocharger lubrication hose
Engine oil filter hose
Work equipment pump delivery hose
Work equipment pump LS hose
Hydraulic drive fan hose (Intake fan)
HSS line hose
Suction hose
External work equipment hose
Blade lift hose
•
Blade tilt hose
•
Blade pitch hose
•
Ripper lift hose
•
Ripper tilt hose
•
PPC accumulator
MAINTENANCE
Replacement interval
Every 2 years or 4000 hours, which-
ever comes sooner