| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 154-6181 | Forcing Screw | 3 |
| B | 8T-3207 | Lifting Bracket | 1 |
| C | 138-7575 | Link Bracket | 1 |
| D | 8S-9906 | Ratchet Puller | 1 |
Start By:
- Separate the track. Refer to Disassembly and Assembly, "Track - Separate".
- Remove the steering motor. Refer to Disassembly and Assembly, "Steering Motor - Remove".
- Remove the axles. Refer to Disassembly and Assembly, "Axle - Remove and Install".
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.
| NOTICE |
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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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Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. |
- Remove bolts (1).
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Illustration 2 g00992348 - Install Tooling (A) and remove housing (2).
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Illustration 3 g00992349 - Remove two bolts (3) and bolt (4) in order to install Tooling (C). Remove two bolts (5).
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Illustration 4 g00865077 - Remove bolts (6) from the top of the sprocket segment.
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Illustration 5 g00994019 - Install Tooling (B). Adjust the hook of Tooling (B) to the maximum length.
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Illustration 6 g00992350 - Remove remaining bolts (3) and the washers.
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Illustration 7 g00992351 - Attach Tooling (D) to Tooling (C) and Tooling (B).
- Separate the final drive approximately
152 mm (6.0 inch) . - Release the pressure on Tooling (D). Rotate the brake housing 90 degrees in the counterclockwise direction.
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Illustration 8 g00992352 - Rotating the brake housing allows pinion (7) to point forward. Rotating the brake housing will allow the final drive to swing toward the front of the machine. Rotating the brake housing will allow clearance for the ring gear to clear the machine. The weight of the final drive assembly is approximately
680 kg (1500 lb) .
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| Illustration 1 | g00992346 |
