D8R Series II Track-Type Tractor Power Train Caterpillar

Disassembly Procedure

Start By:

1. Remove the power train oil pump.

Note: Mark all the pump components for correct assembly.

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Illustration 1	g00711065

1. Remove temperature sensor (1) and the O-ring seal.

2. Remove bolts and washers (2). Remove cover (3) and remove the O-ring seal.
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   Illustration 2	g02938457

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   Illustration 3	g02938240

3. Remove body (4) and the O-ring seal. Remove lip seal (5), retaining ring (6), and the lip seal (7) from body (4).
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   Illustration 4	g02940136

4. Remove sleeve bearings (8) from body (4).
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   Illustration 5	g02940158

5. Remove gear (7) and the woodruff key. Remove gear (10).
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   Illustration 6	g02940206

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   Illustration 7	g02940306

6. Remove manifold (11) and the O-ring seal. Remove sleeve bearings (12) from manifold (11). Remove sleeve bearings (13) from manifold (11).
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   Illustration 8	g02940379

7. Remove body (16). Remove gear (14) and the woodruff key. Remove gear (15).
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   Illustration 9	g02940399

8. Remove spacer (17). Remove O-ring seals (18).
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   Illustration 10	g02940456

9. Remove body (22). Remove O-ring seal (19). Remove gear (20) and the woodruff key. Remove gear (21).
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   Illustration 11	g02940476

10. Remove drive shaft and gear (24) from body (22). Remove driven shaft and gear (23) from body (22).
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    Illustration 12	g02940273

11. Remove sleeve bearings (25) from body (22).