Komatsu WA200-8 Operation & Maintenance Manual page 359

MAINTENANCE
4.
Remove the bolts (4) (2 pieces) and remove the cover (5).
5.
Place a container to catch the drained oil under the filter
cartridge (6).
6.
Turn the filter cartridge (6) counterclockwise by using the
filter wrench, and remove it.
7.
Clean the filter head.
8.
Fill the new filter cartridge with clean oil, coat the seal sur-
face and thread portion with clean oil (or thinly apply the
grease to it), then install the filter cartridge.
Tightening torque: 58.8 to 78.5 Nm {6.0 to 8.0 kgm}
9.
Install the cover (5) with bolts (4) (2 pieces).
10. Tighten the cap of oil filler port (F).
11. Check that the hydraulic oil level is proper.
If the oil level is between H and L of sight gauge (G), it is
proper.
12. If the oil level is below the L mark, add oil according to the following procedure.
MAINTENANCE PROCEDURE
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