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7-7
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.
Loosen the drain plug under the hydraulic
tank and drain the oil from the hydraulic
tank.
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Hydraulic tank quantity : 37
˶
(9.8U.S.gal)
Disconnect hoses(79, 80) and remove
connectors(47, 48).
Disconnect pilot line hoses(21, 90) and
remove connectors(49, 54).
Remove socket bolts(28) and disconnect
pump suction tube(9).
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.
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Weight : 25kg(55lb)
Pull out the pump assembly from housing.
When removing the pump assembly,
check that all the hoses have been
disconnected.
G
GROUP 3 PUMP DEVICE
A3
79
48
A2
A1
47
49
28
9
80
90
21
54
A4
1)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
ö
(8)
ö
13031GE18
R35Z77MP101