Komatsu WA380-8, Operation & Maintenance Manual, Page: 390 / 432

DEFINED LIFE PARTS LIST
No. Periodical replacement parts Replacement interval
1 Fuel system Fuel hose
Spill hose
Ask your Komatsu distributor
for replacement.
2 Steering system High pressure circuit hose
3 Brake system Brake oil pressure hose
4 Torque converter, trans-
mission system
Transmission circuit hose
5 Work equipment hydraulic
system Main pump delivery hose
Main pump delivery hose other than described
above
Main pump LS hose
Hydraulic drive fan hose (Intake fan)
Hydraulic drive fan hose (Exhaust fan)
External work equipment hose
•
Lift cylinder hose
•
Bucket cylinder (bottom) hose
•
Bucket cylinder (head) hose
• Hydraulic tank hose
•
Main valve hose
•
ECSS hose
6 Others PPC accumulator
METHOD FOR LUBRICATING DRIVE SHAFT
Use the special grease for drive shaft, and perform greasing every 4000 hours or every 2 years.
If the special grease is not used but common lithium base grease is used, perform greasing every 1000 hours
after then.
Part No. of special grease for the drive shaft: 56B-20-19910
1.
Remove inspection windows (1) and (2) of the undercover.
2.
By using a grease pump, pump in grease through the
grease fittings shown by arrows.
For the greasing, stop the drive shaft when grease fitting
(A) of the center drive shaft comes to the position shown in
the figure, and then pump in grease.
The position of the grease fitting at this point is the one cir-
cled and indicated by the arrow in the following figure
when viewed from the rear side of the machine.
3.
After greasing, wipe off any old grease that is pushed out.
4.
Install inspection windows (1) and (2) of the undercover.
• Center drive shaft (2 places)
MAINTENANCE PROCEDURE MAINTENANCE
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