854G Wheel Tractor and 992G Wheel Loader Power Train Final Drive and Wheel

Final Drive and Wheel - Disassemble

854G Wheel Tractor and 992G Wheel Loader Power Train [SENR5894]

854G Wheel Tractor and 992G Wheel Loader Power Train Transmission Hydraulic Control Valve - Remove

854G Wheel Tractor and 992G Wheel Loader Power Train Final Drive and Wheel - Assemble

POWER TRAIN

AXLE GP

966G and 972G Wheel Loaders Power Train Duo-Cone Conventional Seals - Install

854G Wheel Tractor and 992G Wheel Loader Power Train Final Drive and Wheel from Service Brake - Separate

854G Wheel Tractor and 992G Wheel Loader Power Train Final Drive and Wheel to Service Brake - Connect

854G Wheel Tractor and 992G Wheel Loader Power Train Final Drive, Brake and Wheel - Remove and Install

854G Wheel Tractor and 992G Wheel Loader Power Train Service Brake - Disassemble

854G Wheel Tractor and 992G Wheel Loader Power Train Service Brake - Assemble

854G Wheel Tractor and 992G Wheel Loader Power Train Fixed Axle (Front) - Remove and Install

1.1. Disassembly Procedure

Disassembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	138-7575	Link Bracket	3
B	1U-8222	Lifting Sling	3
B	1D-4574	Bolt	3
C	138-7576	Link Bracket	3
C	5P-9694	Ratchet Hoist	1
D	1P-7407	Eyebolt	1

Start By:

Separate the final drive and the wheel from the service brake. Refer to Disassembly and Assembly, "Final Drive and Wheel from Service Brake - Separate".

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "AVSpare Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in AVSpare machines. Dispose of all fluids according to local regulations and mandates.

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Illustration 1	g00370541

Place the final drive and the wheel in a vertical position on a hard, level surface. The combined weight of the final drive and of the wheel is 1565 kg (3450 lb).

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Illustration 2	g00370543

Remove four bolts (1) that fasten the planetary carrier to the wheel.

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Illustration 3	g00370545

Attach Tooling (A), a hoist and suitable lifting chains to planetary carrier (3), as shown.

Install two 1/2 - 13 NC forcing screws (2) in the threaded holes of the planetary carrier. Tighten the forcing screws evenly in order to free planetary carrier (3) from wheel (4) .

Carefully remove planetary carrier (3). The weight of the planetary carrier is 475 kg (1050 lb).
Note: Steps 6 through 14 are for the disassembly of the planetary carrier.

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Illustration 4	g00370546

Remove O-ring seal (5) from planetary carrier (3) .

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Illustration 5	g00999772

Install Tool (D) with a lifting sling into the threaded hole in planetary shaft (6), as shown.

Remove planetary shaft (6) from planetary carrier (3). The planetary shaft is a slip fit to the planetary carrier. The weight of the planetary shaft is 11 kg (25 lb).

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Illustration 6	g00370548

Remove dowel (7) from planetary shaft (6) .

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Illustration 7	g00370549

Remove thrust washer (8) .

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Illustration 8	g00370550

Place wood blocks next to planetary carrier (3), as shown. Carefully slide planetary gear (9) from the planetary carrier and onto the wood blocks, as shown. The weight of the planetary gear is 61 kg (135 lb).

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Illustration 9	g00370572

Remove thrust washer (10) .

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Illustration 10	g00370574

Remove sleeve bearing (11) from planetary gear (9). The sleeve bearing is a slip fit to the planetary gear.

Repeat Steps 7 through 13 for the remaining two planetary gears.

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Illustration 11	g00370577

Remove bolts (12) and retainer (13) .

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Illustration 12	g00370578

Remove shim pack (14) .

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Illustration 13	g00370579

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Illustration 14	g00370581

Install Tooling (B) in the hole of hub (15). Repeat this step for the two remaining holes, as shown.

Attach a hoist to the lifting slings. Carefully remove hub (15) and gear (16) as a unit. The combined weight of the hub and of the gear is 320 kg (705 lb).

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Illustration 15	g00370582

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Illustration 16	g00371054

Place the hub and the gear on wood blocks so that bearing cone (18) is facing upward.

Remove six bolts (17) that hold ring (19) in the groove of gear (16) .

Remove ring (19) from gear (16) .

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Illustration 17	g00370583

Install Tooling (B) in the holes of hub (15) again, as shown.

Attach a hoist to the lifting slings. Carefully remove hub (15) from gear (16). The weight of the hub is 193 kg (425 lb).
Note: The weight of the gear is 127 kg (280 lb).

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Illustration 18	g00370584

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Illustration 19	g00370585
Typical Example

To remove bearing cone (18) from hub (15), turn the hub onto the opposite side so that the bearing cone is facing downward, as shown.

Note: Do not apply heat directly to the hub. Excessive heat may reduce the service life of the hub.

Use a torch to heat the bearing cone evenly around the circumference. Continue to heat the bearing cone until the bearing cone falls from the hub.

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Illustration 20	g00370588

Secure Tooling (C) to wheel (4). Attach a hoist to Tooling (C) .

Use the hoist to carefully remove wheel (4) from spindle (20). The weight of the wheel is 430 kg (950 lb).

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Illustration 21	g00370590

Use Tooling (C) to lower wheel (4) to a horizontal position, as shown.

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Illustration 22	g00370591

Remove Duo-Cone seal (23) .

Use a hammer and a punch to remove bearing cups (21) and (22) .

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Illustration 23	g00370613

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Illustration 24	g00370585
Typical Example

Remove Duo-Cone seal (24) from spindle (20) .

To remove bearing cone (25) from spindle (20), turn the spindle onto the opposite side so that the bearing cone is facing downward, as shown.

Note: Do not apply heat directly to the spindle. Excessive heat may reduce the service life of the spindle.

Use a torch to heat the bearing cone evenly around the circumference. Continue to heat the bearing cone until the bearing cone falls from the spindle.