D6N Track-Type Tractor Power Train Caterpillar

Removal Procedure

1. Release the track tension. Refer to Operation and Maintenance, "Track - Check/Adjust".
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   Illustration 1	g00987970

2. Position master link (1) and the block, as shown.
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   Illustration 2	g00987971

3. Attach a suitable lifting device to the track, as shown.
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   Illustration 3	g00987973

4. Position suitable cribbing, as shown.

5. Remove bolts (2).

6. Remove track (3).

7. Position the track out of the way.
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   Illustration 4	g00987975

8. Attach a suitable lifting device to master link (1). Apply tension to the master link. Remove the cribbing.
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   Illustration 5	g00987976

9. Remove bolts (4).
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   Illustration 6	g00987978

10. Attach Tooling (A) and a suitable lifting device to front track roller (5). Apply lifting tension to the front track roller frame.
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    Illustration 7	g00987979

11. Remove bolts (6) from cover (7).

12. Repeat Step 11 for the opposite side.
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    Illustration 8	g00987980

13. Install Tooling (B) in order to remove cover (7).

    Note: Drain the oil into a suitable container.

14. Repeat Step 13 for the opposite side.

15. Use a pry bar in order to remove the front track roller.
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    Illustration 9	g00988287

16. Partially remove front track roller (5) and install Tooling (C). Attach a suitable lifting device to front track roller (5).

17. Remove front track roller (5). The weight of front track roller (5) is approximately 385 kg (850 lb).

    Note: Drain the oil into a suitable container.

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    Illustration 10	g00988288

18. Remove seal (8) and bearing (10) from front track roller frame (9), if necessary.