1. Park the machine in the hydraulic oil
inspection position on the level and firm
ground, and then stop the engine.
2. Use the starter key to release the lock, open
the right side cover and support it with the
stay.
3. Clean around the filter mounting area to
prevent foreign materials such as dust from
entering into.
4. Press the valve head on top of breather cap
(6) several (5 to 7) times to release pressure
from the hydraulic oil tank.
5. Remove bolt (1) of the tank upper cover and
then remove cover (2).
6. Remove spring (3), valve (4) and element
assy (A) from the tank.
7. Replace O-ring (5) on the mounting surface
of cover (2).
8. Clean the removed parts with light oil.
9. Attach the element by the reverse procedures
of the above steps 5 and 6.
10. Attach cover (2).
Tightening torque:
20.7 to 25.3 N
･
m (15.3 to 18.7 lbf
･
ft)
11. Start the engine, set the machine in the
hydraulic oil inspection position by moving
each control lever, and check the hydraulic
oil level.
12. Release the support stay, close the right side
cover, and lock it with the starter key.
Element
assy
A
1
2
3
4
5
6
B
B
C
(5)
(B)
(C)
(B)
(A)
ELEMENT KIT
[
4. MAINTENANCE
]
4-
62
Copyright©2019 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S2PS00017ZE08] [1226CsCshWbYs]
