Clean Suction Filter - Hitachi ZW 310-6 Operator's Manual

Wheel loader

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Clean Suction Filter

--- each time the hydraulic oil is changed.

A suction filter is located on the bottom of the hydraulic oil

Clean the suction filter when changing hydraulic oil.

1. After draining hydraulic oil, remove cover (1) with gasket.

Remove lock nut (2) and washer (3).

2. Remove suction filter (4) from the oil pipe.

When removing the suction filter, take care not to allow

trapped dust to fall into the tank.

Wrench size: 17 mm

3. Clean the suction filter and the hydraulic oil tank inside

with cleaning oil.

4. Install cleaned suction filter (4) to the oil pipe, and

tighten lock nut (2) with washer (3).

Tightening torque: 38 N·m (3.8 kgf·m)

5. Install cover (1) and a new gasket with nuts.

NOTE: Make sure to replace the cover gasket with new one.

6. Fill the tank to level with the specified volume of oil

through the oil filling port. Check the oil level at the oil

sight gauge.

7. 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

using level gauge (5).

90Z7-02522-04851