Replace Pump Drain Filter - Hitachi ZAXIS 450LC-3 Operator's Manual

6

Replace Pump Drain Filter

--- every 1000 hours
d
WARNING: Hydraulic oil may be hot just after opera-
tion. Be sure to wait for oil to cool before starting
work.
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. Operate the right and left control levers to release
pressure from the pilot accumulator.
7. Pull the pilot control shut-off lever to the LOCK position.
8. Leave the machine for a while after stopping operation.
After the oil temperature is cooled, push pressure release
button (1) to release pressure from the hydraulic oil tank.
9. Remove filter cartridge (2) by turning it counterclockwise
with filter wrench.
10. Clean the filter gasket contact area.
11. Apply a thin film of clean oil to the gasket of new filter.
12. Install the new filter. Turn filter cartridge (2) clockwise by
hand until gasket touches contact area. Be sure not to
damage gasket when installing filter.
13. Tighten filter cartridge (2) 1/2 turn more using wrench.
14. Start the engine. Check for any leakage.
15. Replace the element at the regular interval to keep
hydraulic oil clean and to extend the life of the hydraulic
components.
MAINTENANCE
7-57
M104-07-021
1
M1J1-07-006
2
ZX450LC
M1J1-07-010
-3
2
ZX650LC
M1J7-07-029
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2
M1JB-07-042
ZX850LC
-3