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Change Hydraulic Oil
--- every 4000 hours
WARNING: Hydraulic oil becomes hot during
operation. Severe burns may result if skin comes
in contact with hot hydraulic oil. Wait for the oil to
cool before starting any maintenance work. Release
trapped hydraulic circuit pressure by using the loader
control levers.
IMPORTANT: Do not use hydraulic oils other than listed in
the "Recommended Hydraulic Oil".
1. Park the machine and stop the engine 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
chassis 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 (3) by pressing air
bleed valve (2).
IMPORTANT: When changing hydraulic oil, take care not
to permit foreign matters such as dirt, water, and /or
sand to enter into the hydraulic oil tank.
4. Arrange a container of approx. 150 liters (40 gallons).
5. Remove cap (6) of drain valve (5).
IMPORTANT: When connecting drainer (7), entwist it
slowly to avoid a large amount of oil from draining at a
time.
6. Slowly entwist in the provided drainer (7) to the port to
drain oil.
NOTE: Drain valve (5) opens by entwisting drainer (7).
7. Remove cleaning cover (4) on the bottom of hydraulic oil
tank (3). Clean the tank bottom with cleaning oil. Install
the cover to the original position after cleaning out tank.
MAINTENANCE
7-44
1
2
3
4
5
MNEC-07-004
M4GB-07-044
5, 6
MNDB-07-023
7
MNDB-07-024
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