Group 3 Pump Device - Hyundai R480LC-9S Service Manual

GROUP 3 PUMP DEVICE

GROUP 3 PUMP DEVICE
1. REMOVAL AND INSTALL 1. REMOVAL AND INSTALL
1) 1) REMOVAL REMOVAL
(1)
Lower the work equipment to the ground
and stop the engine.
(2) Operate the control levers and pedals
several times to release the remaining
pressure in the hydraulic piping
(3) Loosen the breather slowly to release the
pressure inside the hydraulic tank.
Escaping fluid under pressure can Escaping fluid under pressure can
penetrate the skin causing serious injury. penetrate the skin causing serious injury.
(4) Loosen the drain plug under the hydraulic
tank and drain the oil from the hydraulic
tank.
· Hydraulic tank quantity : 250
(5) Remove socket bolts (5) and disconnect
block with hoses (1, 2).
(6) Disconnect pilot line hoses (6, 7, 8, 9, 10,
11, 12, 13).
(7) Remove socket bolts (4) and disconnect
pump suction tube (3).
When pump suction tube is disconnected,
the oil inside the piping will flow out, so
catch it in oil pan.
(8)
Sling the pump assembly and remove the
pump mounting bolts.
· Weight : 190 kg (420 lb)
Pull out the pump assembly from housing.
When removing the pump assembly,
check that all the hoses have been
disconnected.
5
1
2
8
6
8-7
13031GE18
5
4
3
50078MP01
11
7
10
A2
9
50078MP02