Komatsu PW98MR-10 Operation & Maintenance Manual page 352

MAINTENANCE PROCEDURE
1.
Remove undercover (1) at the bottom of the machine.
2.
Place the container to catch oil under plug (P).
3.
Loosen drain plug (P) to drain oil. Do it slowly so that you
do not get splashed with drained oil.
4.
Tighten plug (P) .
5.
Open the engine hood. For detail, see "METHOD FOR
OPENING ENGINE HOOD (3-192)".
6.
Fix the cover with cover support lever (3).
7.
Turn filter cartridge (4) counterclockwise by using the filter
wrench, and remove it.
8.
Clean the filter head.
REMARK
Check that there is no old packing stuck to the filter holder.
If there is any old packing stuck to the filter, it will cause
leakage of oil.
9.
When installing the new filter cartridge, apply clean engine
oil (or grease) to its packing and thread portion.
When installing the cartridge, tighten it until the packing
surface contacts the seal surface of the filter holder, then tighten it one or more turns.
10. After replacing the filter cartridge, refill with engine oil
through oil filler port (F) until the oil level is between the H
and L marks on dipstick (G).
11. Run the engine at low idle for a while and then stop it.
12. Check the oil level in the engine oil pan.
Check that the oil level is between H and L marks on the
dipstick.
For the oil level check procedure, see . "METHOD FOR
CHECKING OIL LEVEL IN ENGINE OIL PAN, ADDING
OIL (3-131)"
13. Install undercover (1).
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WENAM00061
MAINTENANCE
RKA47581