Komatsu Utility 76243, Operation & Maintenance Manual

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SERVICE PROCEDURE
MAINTENANCE
4-60
2. Taking care not to get oil over yourself, remove drain plug
(P) slowly, then loosen drain valve (2) and drain the oil.
Be careful not to loosen the drain valve too much and
deform the stopper pin inside the valve.
3. Check the drained oil, and if there are excessive metal par-
ticles or foreign material, please contact your Komatsu dis-
tributor.
4. Tighten drain plug (P) and drain valve (2).
Tightening torque for drain plug (P): 68.6 ± 9.81 N·m
(7 ± 1 kgf·m)
Tightening torque for drain valve (2): 63.7 ± 14.7 N·m
(6.5 ± 1.5 kgf·m)
5. Using the filter wrench, turn full-flow filter cartridge (3) to
the left and 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 car-
tridge.
REMARK
Check that the old packing is not stuck to the filter holder. If the
old packing is stuck to the holder, it will cause oil leakage.
7. When installing, bring the packing face into contact with the filter holder, then tighten a further 3/4 - 1 turn.
q
When using a filter wrench to tighten, be extremely careful not to damage or dent the filter.
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 (3-75)“.