Komatsu PC130-6K 2001 Operation & Maintenance Manual page 218

Hydraulic excavator
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24. SERVICE PROCEDURE
24.7.5 REPLACE HYDRAULIC FILTER ELEMENT
When removing the oil filler cap, turn it slowly to release the in-
ternal pressure before removing it.
1.
Remove the cover over the hydraulic tank.
2.
Remove the cap from oil filler
3.
Loosen 4 bolts, then remove cover
When doing this, the cover may fly out under the force of spring
hold the cover down when removing the bolts.
4.
After removing spring
5.
Clean the removed parts in diesel oil.
6.
Install a new element in the place where old element
stalled.
7.
Set valve
and spring
8.
Set cover
in position, push it down by hand, and install the cover
with the mounting bolts.
3-58
WARNING
, and release the internal pressure.
.
and valve
, take out element
on top of the element.
, so
.
was in-

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