Change Oil In Engine Oil Pan, Replace Engine Oil Filter Cartridge - Komatsu D65EX-12 Operation & Maintenance Manual

SERVICE PROCEDURE
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CAR-
TRIDGE
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.
Container to catch drained oil: Min. 38 liters
Refill capacity: 38 liters
Socket wrench, filter wrench.
1. Remove the cover on the bottom of the machine and set a container to catch the drained oil directly under
the drain plug.
2. Loosen drain plug (P) (with a slit) slowly to avoid getting
oil on yourself, and drain the oil.
3. Check the drained oil, and if there are excessive metal
particles or foreign material, please contact your
Komatsu distributor.
4. Install drain plug (P).
5. Using a filter wrench, turn filter cartridge (1) counterclock-
wise to remove it.
To prevent getting oil on yourself, do not carry out this
operation from immediately under the cartridge.
6. 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.
7. When installing the filter cartridge, bring the packing surface into contact with the filter holder, then tighten a
further 3/4 to1 turn.
8. After replacing the filter cartridge, add engine oil through oil filler port (F) so that the oil level is between the H
and L marks on dipstick (G).
9. Run the engine at idling for a short time, then stop the engine, and check that the oil level is between the H
and L marks on the dipstick. For details, see "CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL (PAGE 3-
48)".
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WARNING
MAINTENANCE