D6G Track-Type Tractor Power Train Caterpillar

Removal Procedure

Start By:

1. Remove the sprocket assemblies. Refer to Disassembly and Assembly, "Sprocket Assembly - Remove".

Note: Check the condition of all seals and of all components. If any parts are worn or damaged, use new parts for replacement.

1. Drain the oil from the final drive case.

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Illustration 1	g00418754

2. Install tool (A) and the 1A-7486 Nut from the final drive group on the end of the sprocket shaft, as shown.

   Note: The nut and tool (A) will hold the hub and final drive gears in position when the case is removed.

3. Remove the bolts and washers that hold the final drive case to the steering clutch case.

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Illustration 2	g00418755

4. Install three 1/2 inch - 13 NC guide pins (1) through the final drive case and into the steering clutch case.

5. Install two 1/2 inch - 13 NC forcing screws (2) into the final drive case.

6. Tighten the screws evenly in order to make a separation of the case from the steering clutch case.

7. Pull the case onto the guide pins so that tool (B) can be fastened to the case.

8. Attach an appropriate lifting device and a hoist to tool (B) .

9. Remove the final drive case. The weight of the final drive case is 135 kg (300 lb).

Installation Procedure

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Illustration 3	g00418755

1. Clean the machined surfaces of the final drive case and the steering clutch case.

2. Put 7M-7260 Liquid Gasket on the machined surfaces of the final drive case and the steering clutch case.

3. Install three 1/2 inch - 13 NC guide pins (1). Make sure that forcing screws (2) are removed.

4. Fasten tool (B) and a hoist to the final drive case.

5. Put the case in position onto guide pins (1). Push the case so that the case is flush against the steering clutch case.

6. Remove tool (B) from the case and push the case against the steering clutch case.

7. Install the bolts and the washers that hold the case in position. Tighten the bolts to a torque of 135 ± 14 N·m (100 ± 10 lb ft).

End By:

1. Install the sprocket assemblies. Refer to Disassembly and Assembly, "Sprocket Assembly - Remove and Install".
2. Fill the final drive case with oil to the correct level. Refer to Operation and Maintenance Manual for the correct capacity.