Replace Transmission Oil Filter - Hitachi ZW140-6 Operator's Manual

Replace Transmission Oil Filter

--- every 500 hours
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WARNING: Take care about the following points.
 Starting repair work immediately after operation
may cause burns. Wait for the oil to cool before
starting any maintenance work.
 Lock the front and rear frames with the articulation
lock bar (4).
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 (4) to the front and rear of the
frame by following the procedures described on page
7-9.
3. Remove the inspection cover for left side step.
4. Rotate the hexagonal section on the bottom of case (5)
counterclockwise using a spanner to remove case (5)
from head cover (6).
5. While turning element (8), remove the element
downward.
6. Replace O-ring (7) with a new one.
7. Sufficiently seat O-ring (7) in the O-ring groove on head
cover (6).
8. Coat the seal surface of new element (8) with hydraulic
oil. While turning element (8), completely install element
(8) into head cover (6) using care not to damage the
element.
9. Take care never to allow water and/or dust to enter the
filter case.
10. Install case (5) into head cover (6) while rotating case (5)
clockwise.
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NOTE: Replace the element at the regular intervals to
maintain clean transmission oil and extend the service life of
the components.
MAINTENANCE
1
7-41
2 3
4
5
6
MNDB-01-001
MNDF-01-026
MNDF-07-007
7
8
5
M4GB-07-050