Change Oil In Engine Oil Pan, Replace Engine Oil Filter Cartridge - Komatsu D61EX-12 Operation And Maintenance Manual

SERVICE PROCEDURE
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER
CARTRIDGE
The oil is at high temperature after the engine has been operated, so never change the oil immediately
after finishing operations.
Wait for the oil to cool down before changing it.
Refill capacity: 19 liters (10.03 USgal)
Socket wrench, filter wrench.
1. Remove inspection cover (1) at the front of the machine.
2. Set a container under the drain hose to catch the oil, then
loosen drain valve (P) slowly and drain the oil. When
doing this, be careful not to get oil over yourself.
3. Check the drained oil, and if there are excessive metal
particles or foreign material, please contact your
Komatsu distributor.
4. Install drain valve(P).
5. Open the engine side cover on the right side of the
machine body, and remove filter cover(2) from the lower
section.
6. Using a filter wrench, turn filter cartridge(3) counterclock-
wise to remove it.
When doing this, to prevent getting oil on yourself, do not carry out this operation from immediately under the car-
tridge.
In particular, if this operation is carried out immediately after stopping the engine, a large amount of oil will come
out, so wait for 10 minutes before starting the operation.
7. Clean the filter holder, fill the new filter cartridge with engine oil, coat the packing surface and thread with
engine oil (or coat it thinly with grease), then install the filter cartridge.
8. When installing the filter cartridge, bring the packing surface into contact with the filter holder, then tighten a
further 3/4 to1 turn.
4-50
WARNING
MAINTENANCE