Removal Procedure
| Tool | Part Number | Part Description | Qty |
|---|---|---|---|
| A | 1P-2420 | Transmission Repair Stand | 1 |
Start By:
- Remove the Oscillating axle housing. Refer to Disassembly and Assembly Supplement, "Oscillating Axle and Trunnion Bearing - Remove".
- Remove the fixed axle housing. Refer to Disassembly and Assembly, SENR6768, "Fixed Axle - Remove".
| 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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
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Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin. At operating temperature, the engine coolant is hot and under pressure. Steam can cause personal injury. Check the coolant level only after the engine has been stopped and the cooling system pressure cap is cool enough to touch with your bare hand. Remove the cooling system pressure cap slowly to relieve pressure. Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury. |
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Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
- Place the axle housing on tooling (A). The weight of the axle housing is 498.9 kg (1100 lb).
 | |
| Illustration 1 | g00663942 |
- Use a suitable lifting device in order to support axle housing assembly (1). Remove twelve bolts (2) and washers, and remove axle housing assembly (1). The weight of axle housing assembly (1) is 145.1 kg (320 lb).
- Remove reaction plate (3) .
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| Illustration 2 | g00663943 |
- Remove sun gear (4) and friction disc (5) .
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| Illustration 3 | g00663945 |
- Remove three springs (7). Release piston (8) by blowing shop air into fitting (6). Remove piston (8) .
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| Illustration 4 | g00663946 |
- Remove seals (9) and (10) .
 | |
| Illustration 5 | g00663947 |
Installation Procedure
- Install seals (9) and (10) .
| | |
| Illustration 6 | g00663947 |
- Install piston (8) and three springs (7) .
 | |
| Illustration 7 | g00663995 |
Note: Lubricate the seals and the piston with the lubricant that is being used.
- Install friction disc (5) and sun gear (4) .
| | |
| Illustration 8 | g00663945 |
Note: Lubricate the friction disc with the lubricant that is being used.
- Install reaction plate (3) .
| | |
| Illustration 9 | g00663943 |
- Clean the mating surfaces of the axle housings and apply a continuous bead of 1U-8846 Sealant, as shown.
 | |
| Illustration 10 | g00663948 |
- Use twelve bolts (2) and a suitable lifting device in order to install axle housing assembly (1). The torque for the twelve bolts is 300 ± 40 N·m (221 ± 30 lb ft). The weight of axle housing assembly (1) is 145.1 kg (320 lb).
| | |
| Illustration 11 | g00663942 |
End By:
- Install the Oscillating axle housing. Refer to Disassembly and Assembly Supplement, "Oscillating Axle and Trunnion Bearing - Install".
- Install the fixed axle housing. Refer to Disassembly and AssemblySENR6768, "Fixed Axle - Install".