Manual De Bomba De Pistones

Disambly and Assembly

D11T Track-Type Tractor Machine Systems

Media Number -RENR8178-03 Publication Date -01/06/2011 Date Updated -24/06/2011

i02787906

Piston Pump (Fan Drive) (Fixed Displacement, Rear) - Disassemble

SMCS - 1387-015

Disassembly Procedure

Table 1

Required Tools

Tool Part Number Part Description Qty

A 1P-1858 Retaining Ring Pliers 1

B 1P-0510 Driver Gp 1

Start By:

A. Remove the fan drive pump. Refer to Disassembly and Assembly, "Piston Pump (Fan Drive) (Fixed Displacement, Rear) - Remove".

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Illustration 1 g00539197

1. Remove bolts (1) and compensator valve (3) from head (2) .

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Illustration 2 g00539259

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

2. Remove cap nut (13), seal (4), adjustment nut (14), seal (5), and adjustment screw (6) .

3. Remove plug (7), O-ring seal (8), seat (9), spring (10), and retainer (11) .

4. Remove valve stem (12) .

5. Remove cap nut (17), seal (15), adjustment nut (18), seal (16), and adjustment screw (19) .

6. Remove plug (20), O-ring seal (21), seat (22), spring (23), spring (24), and retainer (25) .

7. Remove valve stem (26) .

8. Remove orifice valve (32) and seal (33) .

9. Remove O-ring seals (31) .

10. Remove the plug and seal (30) .

11. Remove setscrew (27) .

12. Remove plug (28) and seal (29) .

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Illustration 3 g00539261

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

13. Slowly remove bolts (34) and head (2) from housing (35) .

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Illustration 4 g00539262

14. Remove plunger (36) and O-ring seals (37) from pump head (2) .

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Illustration 5 g01067014

15. Remove guide (38), cylinder (40), and bearing cup (39) from pump head (2) .

16. Remove plugs (41) from the underside of pump head .

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Illustration 6 g00539266

17. Remove spring (42), plunger (43), piston assembly (44), and O-ring seal (45) .

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Illustration 7 g01067219

18. Remove bearing cone (45A) .

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Illustration 8 g00539271

19. Remove spacer (46) and rotating group (47) .

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Illustration 9 g00539273

20. Remove plate (48) and pistons (49) from barrel (50) .

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Illustration 10 g00539274

21. Remove pistons (49) from plate (48) .

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Illustration 11 g00539298

22. Remove bearing (51) from barrel (50) .

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Illustration 12 g00539303

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Illustration 13 g00539304

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

23. Use a suitable press and Tooling (B) to compress spring (53) .

24. Use Tooling (A) to remove retaining ring (52) from barrel (50) .

25. Carefully remove spring (53), plate (54), and pins (55) from barrel (50) .

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Illustration 14 g00539306

26. Remove swashplate assembly (56) from the pump housing (35) .

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