Suction Filter Cleaning - Hitachi ZAXIS 135US-6 class Operator's Manual

Hydraulic excavator

Table of Contents

Suction Filter Cleaning

---each time when hydraulic oil is changed

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

Clean the suction filter when changing hydraulic oil.

1. After removing hydraulic oil from the hydraulic oil tank,

remove cover (1) and rod assembly (2).

2. Clean the inside of the hydraulic oil tank and the suction

3. Before installing the suction filter, check the dimension

of rod assembly (2) shown in figure right. Securely insert

rod assembly (2) into pipe (3).

4. Before securing cover (1) with bolts, ensure the top edge

of the rod assembly (2) is completely inserted into the

hole of support (4).

5. Bleed air from the hydraulic system.

(Refer to the descriptions for "

procedures")

Air bleeding

820 mm (ZX135US-6)

1152 mm (ZX225USLC-6, 345USLC-6)

Rod Assembly