KCM 70Z7, Operation & Maintenance Manual, Page: 288 / 383

MAINTENANCE
7-47
1
2
5
4
3
Replace Pilot Oil Filter
--- every 2000 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.
IMPORTANT: Remove trapped hydraulic circuit pressure
by using the loader control levers.
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 to the front and rear of the
chassis by following the procedures described on page
7-9.
3. Before replacing the filter element, be sure to relieve the
air pressure from the hydraulic oil tank by pressing air
bleed valve (1).
4. Remove the inspection cover for left side rear frame.
5. Rotate the hexagonal section on the bottom of case (2)
counterclockwise using a wrench to remove case (2)
from head cover (3).
6. While turning element (5), remove the element
downward.
7. Replace O-ring (4) with a new one.
8. Seat O-ring (4) in the O-ring groove on head cover (3).
9. Coat the seal surface of new element (5) with hydraulic
oil. While turning element (5), completely install element
(5) into head cover (3) using care not to damage the
element.
2
M4GB-07-044
M4GB-07-050
MNEC-07-019