Clean Suction Filter - Hitachi ZW180 Operator's Manual

Clean suction filter --- each time the hydraulic oil is
3
A suction filter is located on the bottom of the hydraulic oil
tank. Clean the suction filter when changing hydraulic oil.
1. After draining hydraulic oil, remove cover (1). Lift to take
out rod (2). Put a cover over the oil supply port to prevent
foreign matter from entering.
2. Clean the suction filter and the hydraulic oil tank inside
with cleaning oil.
3. Supply the specified volume of oil through the oil supply
port while checking the oil level with the oil gauge.
4. Securely insert the suction filter into pipe (3) when in-
stalling the suction filter.
5. Before installing cover (1), check that the rod top is cor-
rectly inserted into support hole (4) on cover (1). Then,
install cover (1) with bolts.
Tightening torque: 19.5 N•m (1.99 kgf•m)
6. Start the engine. While slowly raising or lowering the arm
and tilting the bucket forward and backward, check for
any abnormality. Stop the engine. Check the oil level us-
ing level gauge (5).
MAINTENANCE
changed.
4
7-45
1
M4GB-07-044
1
2
3
M4GB-07-048
5
M4GB-07-045