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GUARD AS-LH 4Z8780 - Caterpillar

4Z8780 GUARD AS-LH Caterpillar parts GUARD
Alternative (cross code) number:
Caterpillar 4Z8780 GUARD AS-LH
Weight: 29 pounds 13 kg.

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Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7502 Repair Stand 1
1U-7558 Mounting Adapter Gp 2
B - Loctite 5127 1 Start By:
Remove the axle shafts.
Remove the drive shaft.
Remove the axle support brackets.
Illustration 1 g03863105
Disconnect tube assembly (1).
Illustration 2 g03863395
Remove two bolts (3). Use suitable cribbing and two bolts (3) to attach Tooling (A) to pinion housing (2).
Illustration 3 g03863465
Tooling has been removed from the photo for photographic clarity.
Illustration 4 g03863663
Tooling has been removed from the photo for photographic clarity.
Remove all bolts (5). Install bolts (5) in holes (6). Use bolts (5) to separate differential case (4) from axle (7).
Use Tooling (A) to remove differential case (4). Installation Procedure
Install differential case (4) in the reverse order of removal.
Apply Tooling (B) to the mating surfaces of differential case (4) and axle (7).
Tighten bolts (5) to a torque of 125 25 N m (92 18 lb ft) in an alternating star pattern in order to draw in the parts evenly.
Retighten bolts (5) to a torque of 300 25 N m (221 18 lb ft).

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