Replace Suction Filter - Hitachi EX 3600-6 Operator's Manual

Replace Suction Filter

--- every 12000 hours
6 unit suction filters are provided in the hydraulic oil tank.
Clean them when replacing hydraulic oil. Replace all suc-
tion filters.
WARNING: Sufficiently ventilate before entering
the hydraulic oil tank after draining hydraulic oil.
1. After draining oil, remove cover (1) to remove rod
assembly (2).
2. Clean the inside of the hydraulic oil tank.
3. Replace the element of rod assembly (2).
4. Before installing, check dimensions of rod assembly
(2) by referring the figure below. Securely re-install
the rod assembly into pipe (3).
5. Replace the O-ring with new one and check that it is
correctly installed before re-installing cover (1). Se-
cure cover (1) with bolts.
6. Bleed any air remaining in the hydraulic system (refer
to [Air Bleeding Procedures] on page 7-58).
MAINTENANCE
7-66
1
340 mm (13.4 in)
25 mm
Rod Assembly
M146-07-070
2
3
M146-07-012
M146-07-013