8.
Pull
the filter (6) up while pushing in the tip of filter removal
tool (3), and remove it.
9.
Return the removed spacer (5) to the filter removal tool (3),
and keep them.
10.
Insert a new filter and a new equalizing element into the
bottom of the DEF pump, and lightly tighten them by hand.
11.
Tighten the filter cap (1).
Tightening torque: 20 to 25 Nm {2.0 to 2.5 kgm}
EVERY 4000 HOURS MAINTENANCE
Maintenance for every 50, 250, 500, 1000 and 2000 hours service should be performed at the same time.
REPLACE DEFINED LIFE P
ARTS
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
1 Fuel system Fuel hose
Ask your Komatsu distributor for re-
placement.
2 Engine lubrication
system
Engine oil filter hose
3 Steering system High pressure circuit hose
4 Brake system Brake oil pressure hose
5 Torque converter,
transmission system
(including HST)
Transmission circuit hose (including HST)
6 Work equipment hy-
draulic system
Work equipment pump delivery hose
Work equipment pump LS hose
Hose for hydraulic drive fan
External work equipment hose
• Blade lift hose
• Blade tilt hose
• Blade angle hose
• Ripper lift hose
7 Others PPC accumulator
METHOD FOR CHECKING WATER PUMP
Check around the water pump for water leakage.
MAINTENANCE MAINTENANCE PROCEDURE
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