986H Wheel Loader Oscillating Axle (Rear) - Remove and Install Caterpillar


Oscillating Axle (Rear) - Remove and Install
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1.1. Specifications
2.1. Removal Procedure
3.1. Installation Procedure

Specifications



Illustration 1g03405228

Table 1
Specification for 380-3435 Axle Mounting Gp  
Item  Qty  Part  Specification Description 
Apply Loctite C5A Cooper Anti-Seize to the frame dowel bores to aid assembly and disassembly of front and rear axles. No Anti-Seize is allowed on frame or axle mating surface. 
334-6836 Bolt  Torque to 2000 ± 250 N·m (1475 ± 180 lb ft)
178-2992 Bolt  Torque to 2000 ± 250 N·m (1475 ± 180 lb ft)
12  139-5943 Bolt  Torque to 1800 ± 200 N·m (1330 ± 150 lb ft)

Removal Procedure

Table 2
Required Tools 
Tool  Part Number  Part Description  Qty 
420-5317  Crib Tool 
366-6003  Handler As 
Loctite C5A Copper Anti-Seize 

Start By:

  1. Remove the rear drive shaft.

  2. Remove the rear tires and rims.


    Illustration 2g03713161

  1. Disconnect clamp (1). Disconnect clip (2) and disconnect harness assembly (3).


    Illustration 3g03713174

  2. Disconnect hose assembly (4).


    Illustration 4g03713442

  3. Disconnect hose assembly (5).


    Illustration 5g03713448

  4. Disconnect tube assembly (6).


    Illustration 6g03713465

  5. Disconnect hose assembly (7).


    Illustration 7g03713778

  6. Disconnect tube assembly (8).


    Illustration 8g03713865

  7. Attach a suitable lifting device to rear axle (9). The weight of rear axle (9) is approximately 3856 kg (8500 lb).


    Illustration 9g03713866

  8. Remove bolts (10).


    Illustration 10g03714163

  9. Remove bolts (11).


    Illustration 11g03714176

  10. Lower rear axle (9) onto Tooling (A) and Tooling (B).

Installation Procedure

  1. Install rear axle (9) in the reverse order of removal.

    1. Tighten bolts (11) and bolts (10) to a torque of 2000 ± 250 N·m (1475 ± 184 lb ft).

    2. Apply Tooling (C) to the dowel bores in the frame.

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