793F Off-Highway Truck (Command For Hauling) Machine Systems Caterpillar


Front Wheel Bearings - Remove

Usage:

793F CMD RBT

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7576     Link Bracket     3    
B     154-6182     Forcing Bolt     2    
C     154-6181     Forcing Bolt     2    

Start By:

  1. Remove the wheel, the brake, and the suspension cylinder.



    Illustration 1g02770859

  1. Remove bolts (1). Use Tooling (B) to remove cover (2) .



    Illustration 2g01953491

  1. Remove bolts (3), retainer (4), cover (5), O-ring seal (6), and O-ring seals (7) .



    Illustration 3g03831879

  1. Remove bolts (8) from speed sensor (9) .



    Illustration 4g03831849


    NOTICE

    Do not attempt to loosen the grommet assembly unless the bolts that secure the speed sensor have been removed. Damage to the harness can occur.


  1. Loosen grommet assembly (10) from harness assembly (11) .

    Note: Note the position of the green tape that is present on harness assembly (11) for installation purposes.




    Illustration 5g03831885

  1. Pull speed sensor assembly (9) from the wheel assembly enough to disconnect speed sensor assembly (9) from harness assembly (11) .



    Illustration 6g03831892

  1. Remove bolts (12). Remove retainer (13). Remove shims (14) .



    Illustration 7g03831896

  1. Use Tooling (A) and a suitable lifting device in order to remove wheel assembly (15). The weight of wheel assembly (15) is approximately 916 kg (2020 lb). If necessary, use a suitable lifting device to remove spacer ring (16). The weight of spacer ring (16) is approximately 77 kg (170 lb).



    Illustration 8g03831897

  1. Use two people in order to remove bearing cone (17). The weight of bearing cone (17) is approximately 32 kg (70 lb).



    Illustration 9g03831901

  1. Remove bearing cup (18) .

  1. Turn over the wheel housing.



    Illustration 10g03831909

  1. Remove Duo - Cone seal (19). Remove bearing cup (20) .

  1. Remove Duo - Cone seal (21) .



    Illustration 11g03831911

  1. Remove bearing cone (22). The weight of bearing cone (22) is approximately 53 kg (116 lb).

  1. Remove Duo - Cone seal (23) .



    Illustration 12g03831913

  1. Use Tooling (C) to remove retainer (24) from the brake hub.



    Illustration 13g03831914

  1. Remove Duo - Cone seal (25). Remove O-ring seal (26) from retainer (24) .

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