Replace Pilot Oil Filter - Hitachi EX 3600-6 Operator's Manual

Replace Pilot Oil Filter

--- every 500 hours (first time after 50 hours)
1. Park the machine on a level surface.
2. Lower the bucket to the ground as illustrated.
3. Turn the auto-idle switch off.
IMPORTANT: The turbocharger may be damaged if the
engine is not properly shut down.
4. Run the engine at slow idle speed without load for
five minutes.
5. Stop the engine.
6. Operate the right and left control levers to release
pressure from the pilot accumulator.
7. Remove the key from the key switch.
8. Pull the pilot control shut-off lever to the LOCK posi-
tion.
WARNING: Hydraulic oil and components may be
hot just after operation. Be sure to allow oil and
components to cool before starting work.
WARNING: Keep body and face away from cap
(1). Turn cap (1) slowly and remove the cap only
after releasing the internal pressure completely.
9. Insert the wrench as shown and turn the wrench
clockwise and hold the wrench.
10. Turn cap (1) counterclockwise about 30°, at which
point stop cap (1) to release the air.
11. Turn cap (1) further and remove cap (1).
12. Align the projected part of cap (1) with the projected
part of the case and install cap (1).
MAINTENANCE
7-63
1
1
Arrow
Projection
Case Assembly
Projection
Side Hole
Wrench 4 mm
M142-07-093
M117-07-127
M146-07-031
M110-07-022