Komatsu PC350LC-8, Operation & Maintenance Manual

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MACHINE READY FOR ATTACHMENT
ATTACHMENTS AND OPTIONS
6-16
4. Set the lock lever to LOCK position (L).
5. Loosen slowly oil filler cap (F) on top of the hydraulic tank
to eliminate the internal pressure in the hydraulic circuit.
6. Place a container under the filter element to catch the oil.
7. Set a container in position to catch the drained oil, then
remove plug (1) and drain the oil accumulated in filter case
(2).
8. Turn filter case (2) to the left, remove it, then take out ele-
ment (3).
9. Clean the removed parts, then install new element (3).
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Element (3) must be installed facing in the correct
direction. Set direction (Y) with the holes in it facing up,
and insert the hole in element (3) on the protruding
portion inside filter head (4).
10. Install new O-ring (5) to filter case (2), then screw filter
case (2) into filter head (4). When the top of filter case (2)
comes into contact with the filter head, tighten it at least a
further 1/2 turns.
11. Clean plug (1), then fit a new O-ring (6) to plug (1).
12. Install plug (1) to filter case (2).