826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Power Train Caterpillar

Final Drive, Brake and Wheel - Remove and Install

Usage:

826K 232

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	195-0954	Guide Stud	2
B	154-6182	Forcing Bolt	3
C	439-3942	Link Bracket	1
D	386-6030	Lever Puller Hoist Gp	1

Start By:

Release the hydraulic system pressure.
Remove the compactor wheel.
Remove the axle shaft.

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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 product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

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At operating temperature, the steering and brake hydraulic oil tank is hot and under pressure. Hot oil can cause burns.

To prevent possible personal injury, release the pressure in the steering and brake hydraulic system before hydraulic lines or components are disconnected or removed.

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Illustration 1	g03689371

Remove two bolts (1) and the washers.
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Illustration 2 g03689396
Install Tooling (A) where bolts (1) were removed in Step 1. Remove the remaining bolts (1) and the washers.
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Illustration 3 g03690916

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Illustration 4 g03690959
Install Tooling (B). Use Tooling (B) in order to loosen planetary carrier (2) enough in order to attach Tooling (C).
Attach Tooling (C) and a suitable lifting device to planetary carrier (2). The weight of planetary carrier (2) is approximately 142 kg (313 lb). Use Tooling (C) and the suitable lifting device in order to remove planetary carrier (2).
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Illustration 5 g03691096
Remove O-ring seal (3) from planetary carrier (2).
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Illustration 6 g03691100
Attach Tooling (C) and a suitable lifting device to wheel assembly (6). Attach Tooling (D) and a suitable lifting device to service brake (5). The combined weight of wheel assembly (6) and service brake (5) is approximately 608 kg (1340 lb).
Remove bolts (4) and the washers.
Use Tooling (C), Tooling (D), and the suitable lifting devices in order to remove wheel assembly (6) and service brake (5).
Steps 10 and 11 are for the front axle only.
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Illustration 7 g03691394
Remove bolts (7) and the washers. Remove brake piston (8).
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Illustration 8 g03691532
Remove O-ring seal (9).

Installation Procedure

Install brake piston (8), wheel assembly (6), and service brake (5) in the reverse order of removal.
1. Tighten bolts (1) to a torque of 425 ± 50 N·m (313 ± 37 lb ft), plus turn bolts (1) an additional 120° ± 10°.