| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 138-7573 | Link Bracket | 2 |
| 8S-9906 | Ratchet Puller | 1 | |
| 189-0408 | Shackle Assembly | 2 | |
| B | 1U-7505 | Hydraulic Jack | 1 |
Start By:
- Remove the rear drive shaft. Refer to Disassembly and Assembly, "Drive Shaft - Remove (Rear)" for the correct procedure.
- Remove the front drive shaft. Refer to Disassembly and Assembly, "Drive Shaft - Remove (Front)" for the correct procedure.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
| 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, PERJ1017, "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. |
- Use Tooling (B) in order to support bottom guard (1). Remove four nuts (2), the four washers, and the four bolts.
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Illustration 2 g00754409 - Remove cotter pin (3) and pin (4) on both sides of the bottom guard.
- Lower the bottom guard and remove the bottom guard from the machine. The weight of the bottom guard is approximately
102 kg (225 lb) . - Drain the transmission. Refer to Operation and Maintenance Manual, "Refill Capacities" for the correct amount of oil in your transmission.
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Illustration 3 g00752903 - Disconnect hose assembly (5) from the transmission. Remove the O-ring seal from the hose assembly.
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Illustration 4 g00752924 - Cut cable strap (6) in order to release wiring harness (7) from the transmission.
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Illustration 5 g00752933 - Disconnect two wires (10). Remove temperature sensor (9) from the hose assembly. Disconnect hose assembly (8). Remove the O-ring seal from the hose assembly.
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Illustration 6 g00752946 - Disconnect hose assembly (12) from transmission (11). Remove the O-ring seal from the hose assembly.
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Illustration 7 g00752954 - Remove two bolts (14) and the two washers. Move bracket (13) and the hoses out of the way.
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Illustration 8 g00752962 Show/hide table
Illustration 9 g00752967 - Use straps and Tooling (A) in order to secure travel motor (16).
Note: The travel motor does not need to be removed in order to remove the transmission. Secure the travel motor, as shown.
- Remove four bolts (15) in order to release the travel motor from the transmission.
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Illustration 10 g00752970 - Use Tooling (B) in order to secure the transmission, as shown. Remove the nuts, the washers, and bolts (17).
- Remove the transmission with frame (18). The weight of the transmission and the frame is approximately
306 kg (675 lb) .Note: You must make sure that the spline in the travel motor is free before lowering the transmission.
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| Illustration 1 | g00754775 |
