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24. SERVICE PROCEDURE
24.6.3 CHANGE OIL IN ENGINE OIL PAN, REPLACE
ENGINE OIL FILTER CARTRIDGE
Perform this maintenance every 500 hours on machines equipped
with bypass filter.
The oil is at high temperature after the engine has been oper-
ated, so never change the oil immediately after finishing opera-
tions. Wait for the oil to cool down before changing it.
Prepare the following
•
Container to catch drained oil: Min 17 l capacity
•
Refill capacity: 17 l (4.49 US gal, 3.74 UK gal)
•
Filter wrench
1.
Remove the cover on the bottom of the machine.
2.
Place a drain container under drain valve
the machine.
3.
Open drain valve
the oil.
4.
Check the drained oil, and if there are excessive metal particles of
foreign materials, please contact your Komatsu distributor.
5.
Close drain valve
6.
Using a filter wrench from the top of the engine, turn filter cartridge
to the left. A large amount of oil will come out if this is done immedi-
ately after the engine is stopped, so wait for 10 minutes before carry-
ing out this operation.
7.
Clean the filter holder and fill the new filter cartridge with clean en-
gine oil. Apply clean engine oil (or apply grease thinly) to the
packings and threads of the new filter cartridge, then install it.
REMARK
Confirm that no remnants of old packing still adhere to the filter
holder as this may result in oil leakage.
8.
When installing, bring the packing surface into contact with the seal
surface of the filter holder, then tighten it at least a further 3/4 turn.
3-52
WARNING
slowly to avoid getting oil on yourself, and drain
.
located on the bottom of
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