
7-35
C L E A N I N G A N D R E P L AC I N G R E T U R N
FILTER
Clean and replace the return filter in the following
manner.
Remove the flange by loosening the mounting
bolt.
Remove the return filter from the tank.
Replace the return filter element with a new one.
Install the cover on the tank.
Â
Tightening torque : 3.4
Ü
0.7kgf
Â
m
(24.6
Ü
5.0lbf
Â
ft)
(1)
(2)
(3)
(4)
Drain plug
Suction filter
Flange
Return
filter
19)
50D9MI20
R E P L A C E M E N T O F E L E M E N T I N
HYDRAULIC TANK BREATHER
Loosen the cap and relieve the pressure in the
tank.
Loosen the screw and remove the cover.
Pull out the element.
Replace the element with a new one.
Reassemble by reverse order of disassembly.
Â
Tightening torque : 1.14~1.74kgf
Â
m
(8.2~12.6lbf
Â
ft)
Bolt
Element
Cap
Air breather
20)
(1)
(2)
(3)
(4)
(5)
50D9MI18
Valve
Case
Element
O-ring
Line filter
IN
OUT
Line filter assy
RH side-frame
REPLACE OF PILOT LINE FILTER
Loosen the filter case.
Pull out the filter element and clean the filter
case.
Replace the filter element and O-ring with new
parts.
Reassemble the line filter.
21)
(1)
(2)
(3)
(4)
50D7AMI23