jcb 455ZX, Service Manual

Page: 48 / 51

03 - Attachments, Couplings and Load Handling
09 - Lift Arm Quickhitch
06 - Hydraulic Quickhitch
03 - 12 9813/4800-3 03 - 12
Remove and Install
Hydraulic Pressure
Hydraulic fluid at system pressure can injure you.
Before connecting or removing any hydraulic hose,
residual hydraulic pressure trapped in the service
hose line must be vented. Make sure the hose
service line has been vented before connecting or
removing hoses. Make sure the engine cannot be
started while the hoses are open.
Remove
1. Make the machine safe with the lift arm lowered.
Refer to (PIL 01-03).
2. Install the articulation strut. Refer to (PIL 06-27).
3. Isolate the battery from the electrical circuit.
Refer to (PIL 33-03).
4. Use suitable lifting equipment to support the
quickhitch.
5. Disconnect the hydraulic hoses.
Figure 18.
B
B
B Hydraulic hoses (x2)
6. Remove the bolts and the pivot pins from both
sides of the quickhitch.
Figure 19.
E
D
C
C
Bolts (x2)
D Pivot pins (x2)
E
Quickhitch
7. Remove the quickhitch from the lift arms.
8. Check the condition of the bushes and seals.
Figure 20.
G
F
F Bushes
G Seals
9. Replace the bushes and seals if they are
damaged or worn.
10. Use a suitable press or puller to remove the bush.
Install
The installation procedure is the opposite of the
removal procedure. Additionally do the following
steps.