Komatsu PW130ES-6K Operation & Maintenance Manual page 221

SERVICE PROCEDURE
water leakage or overheating. In a dusty site, check the fins
daily, irrespective of the maintenance interval.
REPLACE HYDRAULIC TANK BREATHER ELE-
MENT
Wait for the oil to cool down before replacing the breather
element. When removing the oil filler cap, turn it slowly to
release the internal pressure, then remove it carefully.
1. Remove the cap of oil filter (F).
2. Replace element (1) inside the cap with a new one.
REPLACE HYDRAULIC FILTER ELEMENT
When removing the oil filler cap, turn it slowly to release the
internal pressure before removing it.
1. Remove the cap from oil filler (F), and release the internal
pressure.
2. Loosen 4 bolts, then remove cover (1).
When doing this, the cover may fly out under the force of
spring, so hold the cover down when removing the bolts.
3. After removing spring (2) and valve (3) take out element (4).
4. Clean the removed parts in diesel oil.
5. Install a new element in the place where old element (4) was
installed.
6. Set valve (3) and spring (2) on top of the element.
7. Set cover (1) in position, push it down by hand, and install the
cover with the mounting bolts.
8. Screw in the oil filler cap and install the cover.
9. To bleed the air, start the engine according, see "STARTING
ENGINE" on page 110. and run the engine at low idling for 10
minutes.
220
WARNING
WARNING
MAINTENANCE.