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HOSE AS 4Z8721 - Caterpillar



4Z8721 HOSE AS Caterpillar parts HOSE
Rating:
41
Alternative (cross code) number:
CA4Z8721
4Z-8721
4Z8721
Caterpillar 4Z8721 HOSE AS

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Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7505 Jack 1
B 8S-7610 Base 1
396-9840 Cylinder 1
350-7768 Electric Hydraulic Pump (115V) 1
350-7769 Electric Hydraulic Pump Gp (230V) 1
8S-7615 Pin 1
C 155-3597 Wheel Chock 2
Personal injury can result from driveline torque windup under load.Unequal wheel speed can result in driveline torque windup which can cause driveline components to be under load during disassembly.Relieve the driveline torque windup before disassembly.
Install the steering frame lock.
Use Tooling (C) in order to stabilize the machine.
Illustration 1 g03728654
3. Use Tooling (B) in order to raise the front axle until one of the wheels clears the ground. This will release the drive line torque windup in the drive train. Lower the front axle and remove Tooling (B).
Illustration 2 g01191068
Position Tooling (A) and suitable cribbing and secure rear drive shaft (1) to Tooling (A).
Illustration 3 g03658914
Remove bolts (2) in order to disconnect rear drive shaft (1) from the rear axle.
Illustration 4 g01191072
Remove bolts (3) in order to disconnect rear drive shaft (1) from the center axle.
Illustration 5 g01191068
Use Tooling (A) in order to remove rear drive shaft (1) from the machine. The weight of rear drive shaft (1) is approximately 43 kg (95 lb).
Illustration 6 g01191093
Remove bolts (4) in order to remove universal joint (5) from rear drive shaft (1).
Illustration 7 g01191094
Remove bolts (6) in order to remove universal joint (7) from rear drive shaft (1). Installation Procedure
Install rear drive shaft (1) in the reverse order of removal.
Tighten bolts (6) and (4) to a torque of 117 10 N m (86 7 lb ft).
Tighten bolts (2) and (3) to a torque of 117 10 N m (86 7 lb ft).


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