11.
Tighten filter cap (1).
Tightening torque: 20 to 25 Nm {2.0 to 2.5 kgm}
Width across flats: 27 mm
METHOD FOR CHECKING ALL TIGHTENING POINTS OF ENGINE INTAKE PIPE
CLAMPS
Ask your Komatsu distributor for checking the tightening of the clamps between the air cleaner - turbocharger -
aftercooler - engine.
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
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 Replacement frequency
1 Fuel system Fuel hose
Spill hose
Every 2 years or 4000 hours,
whichever comes sooner
2
Engine lubrication system Turbocharger lubrication hose
Engine oil filter hose
3 Work equipment hydraulic
system
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
• Ripper lift hose
• Ripper tilt hose
4 Others PPC accumulator
Accumulator for additional attachment
MAINTENANCE MAINTENANCE PROCEDURE
4-79
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