7-50
MAINTENANCE
Change Hydraulic Oil/Clean Hydraulic Oil Tank
--- every 4000 hours
Changing and cleaning procedure
d
WARNING: Hydraulic oil becomes hot and pressurized
during operation. Severe burns may result if
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 "Hydraulic Oil".
1. Park the machine following the same procedures as
described on page 7-8 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
7-10.
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 matter such as dirt, water, and /or
sand to enter into the hydraulic oil tank.
4. Carefully pressure wash the area around the breather,
filter cover, and around the hydraulic tank. Dry the area
before removing any other covers.
5. Arrange a container of approx. 150 liters (40 gallons).
6. 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.
7. Slowly entwist in the provided drainer (7) to the port to
drain oil.
f
NOTE: Drain valve (5) opens by entwisting drainer (7).
8. 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.
Front Attachment
Side
MNDB-07-023
MNDB-07-024
3
5, 6
4
5
7
1
MNEK-01-019
M4GB-07-044
2
To Next Page
Loading...
Need help?
General
