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MAINTENANCE PROCEDURE
EVERY 2000 HOURS MAINTENANCE
Maintenance for every 10, 100, 250, 500, and 1000 hours of service should be performed at the same time.
CHANGE OIL IN FINAL DRIVE CASE
The parts and oil are at high temperature immediately after the engine is stopped, and may cause serious burns. Wait for the
temperature to go down before starting the operation.
If there is still pressure remaining inside the case, the oil or plug may fly out.
Loosen the plug slowly to release the pressure.
Refill capacity: each 22 liters (5.8 US gal)
Refill capacity: Left, right 21 liters (5.6 US gal) each
Prepare a handle.
1. Set the TOP mark at the top, with the TOP mark and plug (P)
perpendicular to the ground surface.
2. Set a container under plug (P) to catch the oil.
3. Remove plugs (P) and (F) with the handle and drain the oil.
REMARK
Check the O-rings in the plugs for damage. If necessary, replace
with new ones.
4. Tighten plug (P).
5. Add oil through the hole of plug (F).
6. When the oil overflows from the hole of plug (F), install plug (F).
Tightening torque of plugs (P) and (F) :
93.1 - 122.5 Nm (9.5 - 12.5 kgm, 68.7 - 90.4 lbft)
CHECK BOOST PIPING HOSE CLAMPS
Ask your Komatsu distributor to carry out the inspection.
CHECK ALTERNATOR
There is a possibility that the bearing is short of grease. Call your Komatsu distributor for inspection and repair.
CHECK ENGINE VALVE CLEARANCE, ADJUST
Special tools are needed for inspection and maintenance, so contact your Komatsu distributor.
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WARNING
MAINTENANCE
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