R3000H Load Haul Dump Power Train Caterpillar

Final Drive and Brake - Install

Usage:

Specifications

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Illustration 1	g03867474

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Table 1
Specification for 479-4081 Final Drive and Parking Brake Gp
Item	Qty	Part	Specification Description
1	1	9G-5323 Duo-Cone Seal Gp	Rubber toric rings and all surfaces in contact with seals must be clean and dry at assembly. Apply a thin layer of oil to the contacting surfaces of the metal seals just before installation. Seal rings must be assembled square with the bore. Toric seals must not be bulged or twisted.
Use the following shims as needed, to obtain the required wheel bearing preload. Refer to Disassembly and Assembly, "Final Drive and Brake - Assemble" to assemble the final drive and brake.
2	1	8K-0066 Shim Pack	Thickness of shim pack is 2.84 mm (0.112 inch).
	6	-	Thickness of one shim is 0.051 mm (0.002 inch).
	1	-	Thickness of one shim is 0.762 mm (0.030 inch).
	7	-	Thickness of one shim is 0.254 mm (0.010 inch).
3	8	6C-3241 Bolt Bolts (3) are single use only part. Discard bolts (3) whenever loosened.	Apply Loctite 7649 and then apply Loctite 620 to the threads prior to assembly.
3	8		Torque to 135 ± 10 N·m (100 ± 7 lb ft).
4	22	5P-2427 Taperlock Stud	Apply Loctite 263 to the threads prior to assembly. Torque to 450 ± 40 N·m (330 ± 30 lb ft).
5	23	8T-9399 Bolt	Apply Loctite 7649 and then apply Loctite 272 to the threads prior to assembly. Torque to 475 ± 50 N·m (350 ± 37 lb ft).
6	10	031-1382 Bolt	Apply Loctite 263 to the threads prior to assembly. Final installation torque is 270 ± 25 N·m (200 ± 18 lb ft).
7	3	281-9324 Planetary Gear	Inside diameter of the planetary gear is 112.441 ± 0.010 mm (4.4268 ± 0.0004 inch).
8	22	2J-3507 Full Nut	Apply Bostik Never-Seez Marine Grade to the threads of the studs prior to installation.
8	22	2J-3507 Full Nut	Torque to 1125 ± 100 N·m (830 ± 73 lb ft).
9	3	203-1817 Shaft	Outside diameter of the planetary shaft is 77.577 ± 0.010 mm (3.0542 ± 0.0004 inch).

Installation Procedure

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Table 2
Required Tools
Tool	Part Number	Part Description	Qty
A	263-3554	Axle Lifting Lug	1
B	377-5783	Tool-Ratchet As	1
	1U-6221	Hydraulic Torque Wrench Gp	1
	3S-6224 or 8S-8033	Electric Hydraulic Pump Gp (115-VOLT) Electric Hydraulic Pump Gp (230-VOLT)	1
C	-	Bostik Never-Seez Marine Grade	-

Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.

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Illustration 2	g01093264

Install O-ring seal (6) to final drive and brake (1).
Apply Tooling (C) to the threads of studs (7) prior to installing final drive and brake (1) to the axle housing.
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Illustration 3 g01093242
Install Tooling (A) to final drive and brake (1).
Attach suitable lifting chains and a hoist to Tooling (A). The weight of final drive and brake (1) is approximately 960 kg (2120 lb).
Install final drive and brake (1) to the axle housing.
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Illustration 4 g01093244
Install 22 nuts (5). Install Tooling (B) and tighten nuts (5) to a torque of 1125 ± 100 N·m (830 ± 73 lb ft).
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Illustration 5 g01093679
Connect two hose assemblies (3) and (4) to final drive and brake (1).
Connect hose assembly (2) (if equipped) to final drive and brake (1).

End By:

Install the axle shafts to the axle assembly. Refer to Disassembly and Assembly, "Axle Shaft - Install".
Install the axle assembly to the machine. Refer to Disassembly and Assembly, "Fixed Axle (Front) - Install" or Disassembly and Assembly, "Oscillating Axle (Rear) - Install".