793F Series AC Off-Highway Truck Machine Systems Caterpillar


Front Wheel Bearings - Remove

Usage:

793F AC EMD

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 3g02771536

  1. Remove bolts (8) . Remove retainer (9) . Remove shims (10) .



    Illustration 4g03539463

  1. Remove bolts (11) and wheel speed sensor assembly (12) .



    Illustration 5g03539709

  1. Remove bolts (13) , wheel speed sensor (14) , and shims (15) from bracket (16) .



    Illustration 6g03539716

  1. Remove bolts (17) . Remove sensor rings (18) .



    Illustration 7g03539719

  1. Use Tooling (A) and a suitable lifting device in order to remove wheel assembly (19) . The weight of wheel assembly (19) is approximately 916 kg (2020 lb). If necessary, use a suitable lifting device to remove spacer ring (20) . The weight of spacer ring (20) is approximately 77 kg (170 lb).



    Illustration 8g03539739

  1. Use two people in order to remove bearing cone (21) . The weight of bearing cone (21) is approximately 32 kg (70 lb).



    Illustration 9g03539742

  1. Remove bearing cup (22) .

  1. Turn over the wheel housing.



    Illustration 10g03539743

  1. Remove Duo - Cone seal (23) . Remove bearing cup (24) .

  1. Remove Duo - Cone seal (25) .



    Illustration 11g03539747

  1. Remove bearing cone (26) . The weight of bearing cone (26) is approximately 53 kg (116 lb).

  1. Remove Duo - Cone seal (27) .



    Illustration 12g03539751

  1. Use Tooling (C) to remove retainer (28) from the brake hub.



    Illustration 13g03539754

  1. Remove Duo - Cone seal (29) . Remove O-ring seal (30) from retainer (28) .

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