769D Off-Highway Truck/Tractor and 771D Quarry Truck Power Train Caterpillar


Rear Wheel

Usage:

769D BBB



Illustration 1g00774896



Illustration 2g00511684

View A-A

(1) Torque for 12 studs "X" ... 350 ± 40 N·m (258 ± 30 lb ft)

(2) The purge screws should be located in the top set of ports when the wheel is assembled on the right side or the left side of the machine.

(3) Nuts

Torque for 18 nuts ... 900 ± 100 N·m (660 ± 75 lb ft)

(4) Torque for six studs ... 350 ± 40 N·m (258 ± 30 lb ft)

(5) Use 1P-0808 Multipurpose Grease to lubricate the seal.

(6) Rim mounting surfaces must be clean and free of oil and grease before the wheel assembly is installed.

(7) Nuts

Note: The use of 4C-5592 Anti-Seize Compound on the faces of the washers and the threads for 24 nuts (7) alters the required torque for nut (7) . 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)    

(8) 4D-5642 Shim Pack

Thickness ... 2.90 ± 0.08 mm (0.114 ± 0.003 inch)

Note: See the Power Train Testing and Adjusting, "Rear Wheel Bearing - Adjust" in order to determine the amount of shims to use.

(9) Bolts

Torque for eight bolts ... 250 ± 15 N·m (184 ± 11 lb ft)

Note: Apply 9S-3263 Thread Lock Compound on the threads of bolts (9) before installation.

Note: Perform the procedure in the Power Train Testing and Adjusting, "Rear Wheel Bearing - Adjust" before these bolts are installed.

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