METHOD FOR REPLACING FRESH AIR FILTER
1.
Turn knob (1) to open the inspection cover at the rear of
the machine, and remove the fresh air filter
.
2.
Install the new fresh air filter, and tighten knob (1).
REMARK
When the inside of the filter case is dirty, clean it before in-
stalling the filter.
METHOD FOR CHECKING ELECTRIC WIRING AROUND STARTING MOTOR AND
ALTERNATOR
CAUTION
If there are traces of short-circuiting on the electric wiring, immediately ask your Komatsu distributor to
locate the cause of it and to perform the repair
.
1.
Remove the engine side cover (1) on the right side of the
machine.
2.
Remove the cover (2) under the engine side cover on the
left side of the machine.
3.
Perform the following check.
• Check
that there is no disconnection or trace of short-
circuiting in the electric wiring and no damage to the
coating.
• Check that there is no loose terminals, and retighten
any loose parts if found.
4.
Install the cover (2) under the engine side cover on the left
side of the machine.
5.
Install the engine side cover (1) on the right side of the machine.
EVERY 1000 HOURS MAINTENANCE
Maintenance for every 50, 250 and 500 hours should be performed at the same time.
METHOD FOR CHANGING OIL IN FINAL DRIVE CASE
WARNING
• Immediately
after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury. Wait for the temperature to go down, and then start the work.
• If there is remaining pressure inside the case, the oil or plug may jump out. Loosen the plug slowly
to release the pressure.
MAINTENANCE PROCEDURE MAINTENANCE
4-54
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