69D and 769D Off-Highway Truck and 771D Quarry Truck Air System and Brakes Caterpillar


Front Wheel

Usage:

769D 5SS



Illustration 1g00517046

(1) Rubber toric seal

Note: Rubber toric seals and all of the surfaces in contact with the rubber toric seals must be clean and dry at assembly. Prior to installation, put a thin layer of oil on the surfaces of the metal seals that are in contact. Put lubricant on all other seals at assembly.

(2) Nuts

Note: The use of 4C-5592 Anti-Seize Compound on the faces of the washers and the threads for 12 nuts (2) alters the required torque for nut (2). Use the appropriate torque value from the chart below.

Table 1
Torque    
Procedure with Anti-Seize Compound     Procedure without Anti-Seize Compound    

1200 ± 50 N·m (885 ± 37 lb ft)    

2100 ± 200 N·m (1550 ± 150 lb ft)    

(3) Bolts

Quantity ... 6
Final torque ... 250 ± 14 N·m (185 ± 10 lb ft)

Note: Perform the procedure in the Steering System Testing and Adjusting, "Front Wheel Bearing - Adjust" before you install these bolts. Apply 9S-3263 Thread Lock Compound to the treads of the bolts (3) after the bearing adjustment.

(4) 6G-4362 Shim Pack Thickness ... 4.49 mm (0.177 inch)

Note: See the Steering System Testing and Adjusting, "Front Wheel Bearing - Adjust" in order to determine the amount of shims to use.

(5) Lubricate the shaft and the seal slightly with the lubricant that is being sealed prior to assembly.

(6) Mounting surfaces must be free of paint and grease prior to assembly.

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