Komatsu Galeo PC27MR-2, Operation & Maintence Manual

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MAINTENANCE
MAINTENANCE PROCEDURE
EVERY 1000 HOURS MAINTENANCE
Carry out the maintenance for EVERY 500 HOURS SERVICE at the same time.
REPLACE HYDRAULIC OIL FILTER ELEMENT
WARNING
The parts and oil are at high temperature immediately after the engine is stopped, and may cause burns. Wait for the
temperature to go down before starting the work.
When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
NOTICE
If the machine is equipped with a hydraulic breaker, the hydraulic oil will deteriorate much faster than during normal bucket
operations. For details, see "MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER (PAGE 4-16)" when carrying out
maintenance.
1. Open dust cover (1) fully until it is secured in position.
(For details of the method of opening and closing the cover with
the lock, see "In Case of Engine Rear Cover and Dirt Cover
(PAGE 3-28)")
2. Remove grease gun (9), then remove bolt (12) and take off
grease gun holder (10).
3. Remove bolt (13), then remove divider plate (11).
4. Loosen bolt (2), then remove plate (3) to the front.
5. Remove the cap from oil filler (F), and release the internal
pressure.
6. Remove bolts (4), then remove cover (5). When this is done,
the cover may fly off under the force of spring (6), so keep the
cover pushed down when removing the bolts.
7. After removing spring (6) and valve (7), take out element (8).
8. Clean the rempved parts in diesel oil.
9. Install the new element where old element (8) was installed.
Inspect the O-ring set between the hydraulic tank and cover (5). If there are any scratches, replace the O-ring.
10. Set valve (7) and spring (6) on top of the element.
11. Set cover (5) in position, hold it down by hand, and tighten cover mounting bolts (4) to install cover (5).
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