986K Wheel Loader Engine Supplement Caterpillar


Fan Group (Includes Fan, Fan Shroud, and Hydraulic Fan Motor) - Remove and Install

Usage:

986K MH8

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
6V-3009  Crossbar 
8T-6466 Bolt 
6V-4832 Forcing Bolt 
Loctite 271 

Start By:

  1. Remove radiator cover.


    Illustration 1g03647044

  1. Remove back-up alarm (3) and remove hose assemblies (4). Attach a suitable lifting device to fan and hydraulic motor assembly (2). The weight of fan and hydraulic motor assembly (2) is approximately 76 kg (168 lb). Remove bolts (1) and remove fan and hydraulic motor assembly (2).


    Illustration 2g03647085

  2. Remove bolts (5) and nut (6) from fan (7).


    Illustration 3g03647086

  3. Attach a suitable lifting device to fan (7). The weight of fan (7) is approximately 45 kg (100 lb). Remove fan (7) from hydraulic motor (8).


    Illustration 4g03647188

  4. Use Tooling (A) to remove hub (9) from hydraulic motor (8).


    Illustration 5g03647203

  5. Remove bolts (10) and remove motor (8).


    Illustration 6g03646628

  6. Remove plates (11) and plate (12).


    Illustration 7g03646626

  7. Remove plate (13).


    Illustration 8g03646630

  8. Remove plate (14) and plate (15).


    Illustration 9g03647219

  9. Remove plate (16) and plate (17).

Installation Procedure

  1. Install fan and hydraulic motor assembly (2) in the reverse order of removal.

    1. Apply Tooling (B) to nut (6). Torque nut (6) to a torque of 340 ± 40 N·m (251 ± 30 lb ft).

    2. Apply Tooling (B) to the threads of bolts (5).

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