8-7
1. REMOVAL AND INSTALL
REMOVAL
Lower the work equipment to the ground
and stop the engine.
Operate the control levers and pedals
several times to release the remaining
pressure in the hydraulic piping
Loosen the breather slowly to release the
pressure inside the hydraulic tank.
Escaping fluid under pressure can
penetrate the skin causing serious injury.
Remove the wirings for the pressure
sensors and so on.
Loosen the drain plug under the hydraulic
tank and drain the oil from the hydraulic
tank.
余
Hydraulic tank quantity : 160
再
Remove socket bolts (24) and disconnect
pipe (10, 11).
Disconnect pilot line hoses (2, 3, 4, 5, 6, 7,
8, 9).
Remove socket bolts (23) and disconnect
pump suction tube (1).
When pump suction tube is disconnected,
the oil inside the piping will flow out, so
catch it in oil pan.
Sling the pump assembly and remove the
pump mounting bolts (15).
余
Weight : 146 kg (322 lb)
余
Tightening torque : 42
佳
4.5 kgf·m
(304
佳
32.5 lbf·ft)
Pull out the pump assembly from housing.
When removing the pump assembly,
check that all the hoses have been
disconnected.
GROUP 3 PUMP DEVICE
A1
24
24
B1
A2
15
23
10
11
1
B3
A3
Psv
Pi1
Pi2
Dr
2
3
4
5
6
7
8
9
1)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
侍
(9)
侍
13031GE18
220S8MP01
220S8MP02