793B Off-Highway Truck Power Train Caterpillar


Differential and Bevel Gear

Usage:

793B 1HL



Illustration 1g01003683

(1) Torque for 30 bolts ... 520 ± 70 N·m (384 ± 52 lb ft)

(2) 8X-0332 Shim

Quantity ... 3
Thickness ... 3.00 mm (0.118 inch)

8X-0333 Shim

Quantity ... 3
Thickness ... 3.10 mm (0.122 inch)

8X-0334 Shim

Quantity ... 3
Thickness ... 3.20 mm (0.126 inch)

Note: The 106-5027 Shim is not used with the 8X-0243 Differential and Bevel Gear .

106-5027 Shim

Quantity ... 3
Thickness ... 3.90 mm (0.154 inch)

(3) 17 bolts

Installation torque ... 50 ± 5 N·m (37 ± 4 lb ft)
Additional torque ... 60 ± 3 degrees

Note: Perform the Adjustment Procedure For Bevel Pinion Bearings in Testing and Adjusting, "Differential and Bevel Gear - Adjust" before you install these bolts.

(4) Lubricate the bore of the pin with a small amount of the lubricant that is being sealed.

(5) 9M-5874 Shim Pack

Shim pack thickness ... 3.30 mm (0.130 inch)

Note: See the Adjustment Procedure for the Pin in the Power Train Testing and Adjusting, "Differential and Bevel Gear - Adjust" in order to determine the number of shims to use.

(6) Shroud

(7) Lubricate the sealing lip with a small amount of the lubricant that is being sealed.

Note: Tighten screws (8) in small increments in an alternating pattern until the specified torque is held on each screw.

(8) Apply 154-9731 Thread Lock Compound to the threads of the four screws. Torque for the four screws ... 28 ± 7 N·m (21 ± 5 lb ft)

(9) Torque for 24 bolts ... 530 ± 70 N·m (391 ± 52 lb ft)

(10) 8X-0368 Shim

Quantity ... 12
Thickness ... 0.12 mm (0.005 inch)

8X-0369 Shim

Quantity ... 10
Thickness ... 0.18 mm (0.007 inch)

(11) Lubricate the bore with a small amount of the lubricant that is being sealed.




Illustration 2g01003686

(12) Use a short bolt without a spacer at the two locations over the oil ports for the differential carrier.




Illustration 3g01003690

View A-A




Illustration 4g01003693

View B-B

(13) Torque for the four bolts that hold the bearing caps to the differential carrier ... 1600 ± 150 N·m (1180 ± 110 lb ft)

Note: Tighten four bolts (12) after the adjustment of shroud (6) has been completed.

(14) Apply 154-9731 Thread Lock Compound to the threads of the bolts.

(15) Adjust bracket (14) and shroud (6) in order to achieve equal clearance between shroud (6) and the bevel gear on all sides.

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