777G Off-Highway Truck Power Train Caterpillar


Rear Wheel, Bearing, and Duo-Cone Seal - Remove

Usage:

777G GT7

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1U-9202     Lever Puller Hoist     1    
B     138-7576     Link Bracket     1    
C     6V-2082     Lifting Hook     1    
D     138-7576     Link Bracket     2    
138-7574 Link Bracket     1    

Start By:

  1. Remove the final drive. Refer to Disassembly and Assembly, "Final Drive - Remove and Install".
  2. Remove the tire and rim. Refer to Disassembly and Assembly, "Tire and Rim - Remove and Install".

  1. Drain the hydraulic oil tank into a suitable container for proper storage or disposal. Refer to Operation and Maintenance Manual , "Hydraulic Oil - Change".



    Illustration 1g01327772

  1. Attach Tooling (A) and Tooling (B) onto wheel (1) .



    Illustration 2g02205875

  1. Remove bolts (2) and the washers. Remove retainer (3) and shim pack (4) .



    Illustration 3g01327979

  1. Attach Tooling (C) and a suitable lifting device onto hub (5) . Remove hub (5) . The weight of hub (5) is approximately 104 kg (230 lb).



    Illustration 4g01352635

  1. Attach Tooling (D) and a suitable lifting device onto wheel (1) . Remove Tooling (A) and Tooling (B) .

  1. Use two people in order to remove bearing cone (6) . The weight of bearing cone (6) is approximately 36 kg (80 lb).

  1. Remove wheel (1) . The weight of wheel (1) is approximately 1089 kg (2400 lb).



    Illustration 5g01339923

  1. Use two people in order to remove bearing cone (7) . The weight of bearing cone (7) is approximately27 kg (60 lb).



    Illustration 6g01339933

  1. Remove Duo-Cone seal (8) .



    Illustration 7g01339958

  1. Remove Duo-Cone seal (9) .



    Illustration 8g01339961

  1. Remove retainer (10) .



    Illustration 9g01339966

  1. Remove O-ring seal (11) from retainer (10) .



    Illustration 10g01339979

  1. Remove bearing cup (12) .



    Illustration 11g01340166

  1. Remove bearing cup (13) .

  1. Remove Duo-Cone seal (14) .



    Illustration 12g01340193

  1. Remove Duo-Cone seal (15) . Remove bolts (16) .



    Illustration 13g01340211

  1. Use two bolts (16) in order to remove retainer (17) .



    Illustration 14g01340251

  1. Remove O-ring seal (18) .

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