D6R2 Track-Type Tractor Power Train Caterpillar

Removal Procedure

Start By:

1. Separate the track.
2. Remove the drive axles.
3. Remove the steering motor.

1. Drain the oil from the final drive. Refer to Operation and Maintenance Manual, "Final Drive Oil - Change" for the proper draining and filling procedure.

Show/hide table



Illustration 1	g01127146

2. Remove bolts (1) from adapter (2) .

3. Install Tooling (D) in Holes (X). Remove adapter (2) .

Show/hide table



Illustration 2	g01127151

4. Remove O-ring seal (3) from adapter (2) .

Show/hide table



Illustration 3	g01127160

Show/hide table



Illustration 4	g01127169

5. Insert Tooling (A) 940 mm (37.0 inch) into the final drive housing. Use Tooling (A) to slide the sliding carrier off the bevel gear shaft.

6. Rotate Tooling (A) by 180 degrees.

7. Pull Tooling (A) until the sliding carrier stops.

8. Rotate Tooling (A) by 180 degrees and remove Tooling (A) .

Show/hide table



Illustration 5	g01127173

Show/hide table



Illustration 6	g01127177

9. Adjust Tooling (B) as shown in Illustration 5. Remove two bolts (4). Discard bolts (4). Install Tooling (B) and a suitable lifting device. The weight of the final drive, the differential, and the brake is approximately 730 kg (1610 lb).

10. Remove seven bolts (5). Install Tooling (C) .

Show/hide table



Illustration 7	g01127323

11. Remove remaining bolts (5) and bolts (7). Do not remove bolts (6) .

Show/hide table



Illustration 8	g01127327

12. Pull outward on final drive (9), steering differential (10), and brake (11) by approximately 25 mm (1.0 inch). Final drive (9), steering differential (10), and brake (11) should move freely.

13. Use Tooling (C) in order to rotate final drive (9), steering differential (10), and brake (11) by 45 to 60 degrees counterclockwise.

14. Remove final drive (9), steering differential (10), and brake (11) .

15. Remove O-ring seals (8) .

Installation Procedure

1. Install final drive (9), steering differential (10), and brake (11) in the reverse order of removal.

   1. Tighten bolts (5) to a torque of 800 ± 90 N·m (590 ± 66 lb ft).

   2. Lubricate two new sprocket segment bolts (4) with SAE 30 oil. Install new sprocket segment bolts (4) .

   3. Tighten bolts (4) to a torque of (4) to a torque of 175 ± 40 N·m (130 ± 30 lb ft). Tighten bolts (4) for another 1/3 turn. The final torque for bolts (4) must be a minimum of 380 N·m (280 lb ft).