Komatsu HD325-8, Operation & Maintenance Manual

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5.
Insert the filter removal tool (5) into the lower part of the
DEF pump and thrust in by hand.
6.
Check that the filter removal tool (5) is fully inserted to the
end.
Insert the filter removal tool (5) to the end where you can-
not thrust it in any further.
7.
Turn the filter removal tool (5) in reverse, and remove the
filter (8).
Filter (8) is removed and you can take it out together with
the filter removal tool (5).
If filter (8) cannot be removed from the DEF pump, grip the
filter removal tool (5), pull it down, then it will be removed.
8.
Slide the filter (8) down, and remove the spacer (7) from
the filter removal tool (5).
9.
Pull the filter (8) up while pushing in the tip of filter removal
tool (5), and remove it.
10. Return the removed spacer (7) to the filter removal tool (5),
and keep them.
11. Insert a new filter and a new element into the lower part of
DEF pump, and lightly tighten them with hand.
MAINTENANCE MAINTENANCE PROCEDURE
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