Komatsu PC290LC-6K Operation & Maintenance Manual page 215

24.8.2 CLEAN HYDRAULIC TANK STRAINER
The oil is at high temperature immediately after the machine
has been operated. Wait for the oil to cool down before clean-
ing the strainer. When removing the oil filler cap, turn it slowly
to release the internal pressure, then remove it carefully.
1. Loosen 4 bolts, then remove cover
When doing this, the cover may fly out under the force of spring
so push the cover down when removing the bolts.
2. Pull up the top of rod
3. Remove the dirt stuck to strainer
flushing oil.
If strainer is damaged, replace it with a new one.
4. Refit strainer by inserting it into tank projecting part
5. Install cover with bolts.
WARNING
.
, and remove spring
, then wash it in clean diesel oil or
,
and strainer .
.
24. SERVICE PROCEDURE
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