Replace Pilot Oil Filter - Hitachi ZAXIS 120-3 class Operator's Manual

5

Replace Pilot Oil Filter

--- every 1000 hours
1. Park the machine on a level surface.
2. Lower the bucket to the ground.
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. Remove the key from the key switch.
6. Pull the pilot control shut-off lever to the LOCK position.
CAUTION: The hydraulic oil tank is pressurized. Push
the pressure release button on the air breather before
removing the air breather.
7. Remove the filter cartridges of pilot oil filter (2) by turn-
ing it counterclockwise with the filter wrench.
8. Clean the filter O-ring contact area on filter head (1).
9. Apply a thin film of clean oil to the gasket of new filter (2).
10. Install new filter (2). Turn the filter cartridge clockwise by
hand until the O-ring touches the contact area. Be sure
not to damage the O-ring when installing filter (2).
IMPORTANT: Do not re-use the filter cartridge.
MAINTENANCE
1
2
M1U1-07-050
7-35
ZX180-3 Class
Pilot Oil Filter
ZX120-3, 200-3, 270-3 Class
Pilot Oil Filter
ZX330-3 Class
M104-07-021
Pilot Oil Filter
M1U1-07-098
M1U1-07-070
M1U1-07-014