Komatsu PW118MR-11, Operation & Maintenance Manual

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5.
Check that filter removal tool (3) is fully inserted to the end.
Insert the filter to the end where you cannot thrust it in any
further.
6.
Turn the filter removal tool (3) in reverse, and remove filter
(6).
Filter (6) is removed and you can take it out together with
filter removal tool (3).
If filter (6) cannot be removed from the DEF pump, grip fil-
ter removal tool (3), pull it down, then it will be removed.
7.
Slide the filter (6) down, and remove spacer (5) from filter
removal tool (3).
8.
Pull the filter (6) up while pushing in the tip of filter removal
tool (3), and remove it.
9.
Return the removed spacer (5) to filter removal tool (3),
and keep them.
10. Insert a new filter and a new equalizing element into the
bottom of the DEF pump, and lightly tighten them with
hand.
11. Tighten the filter cap (1).
Tightening torque : from 20 to 25 Nm
EVERY 4000 HOURS MAINTENANCE
Maintenance for every 100, 250, 500, 1000 and 2000 hours service should be performed at the same time.
MAINTENANCE MAINTENANCE PROCEDURE
4-77
WENAM00130