MAINTENANCE
7-42
Change Hydraulic Oil/Clean Hydraulic Oil Tank
--- every 2000 hours
Clean Suction Filter
---each time when hydraulic oil is changed
Changing and cleaning procedure
d
WARNING: Hydraulic oil becomes hot and pressurized
during operation. Severe burns may result if the
skin comes in contact with escaping hydraulic oil
immediately after operation. Wait for the oil to cool
before starting any maintenance work.
IMPORTANT: Do not use hydraulic oils other than listed in
the "Brand Names of Recommended Hydraulic Oil".
1. Park the machine following the same procedures as
described on page 7-7 for preparation of inspection/
maintenance work.
2. Install articulation lock bar (1) to the front and rear of the
frame by following the procedures described on page
7-9.
3. Before changing the hydraulic oil, be sure to relieve the
air pressure from the hydraulic oil tank by pressing air
bleed valve (3).
IMPORTANT: When changing hydraulic oil, take care not
to permit foreign matter such as dirt, water, and /or
sand to enter into the hydraulic oil tank.
4. Remove bolt (4) and remove filler port cover (3).
5. Arrange a container with the capacity of approx. 100
liters (26.4 US gal) and an oil pump. Remove hydraulic oil
by using the oil supply pump.
6. Pull rod (5) up and remove suction filter (6). Put a cover
on the filler port to prevent foreign matter from entering.
7. Clean suction filter (6) and the tank inside with cleaning
oil.
4
6
5
3
M4FJ-07-035
2
4
3
MNSC-07-013
1
MNSC-01-018
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