3412E, C30 and C32 Marine Engines Caterpillar

Assembly Procedure

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Illustration 1	g03317103

1. Install plates (45) onto body assembly (46).
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   Illustration 2	g02724951

2. Apply Tooling (F) onto threads of impeller (44).

3. Install impeller (44) onto shaft assembly (11).

   Note: Impeller (44) contains Left-Handed threads.

4. Use Tooling (E) in order to tighten impeller (44).

   Note: Use caution not to damage impeller (44).

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   Illustration 3	g02724961

5. Install body assembly (46) onto shaft assembly (11).
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   Illustration 4	g02724964

6. Apply Tooling (F) onto the threads of impeller (43).

7. Install impeller (43) onto shaft assembly (11).

   Note: Use caution not to damage impeller (43).

8. Use Tooling (E) in order to tighten impeller (43).
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   Illustration 5	g02634926

9. Install spacer (42), ring (41), and O-ring seal (40) onto the pump group.

10. Lubricate O-ring seal (40) with Tooling (G).
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    Illustration 6	g03317090

11. Install plate (39) and the rotating half of seal assembly (38).
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    Illustration 7	g02634876

12. Install the stationary half of seal assembly (37) into body half (36).
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    Illustration 8	g02634857

13. Install body half (36) and clamp assemblies (35).

14. Install sleeve (34) and the O-ring seal.
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    Illustration 9	g02634904

15. Install ring (33) and adapter (32) onto the pump group.
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    Illustration 10	g02634827

16. Install bearing (31) and lip seal (30) into housing (29).
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    Illustration 11	g02688940

17. Install housing (29) onto the pump group.

18. Install bolts (28) and the washers.
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    Illustration 12	g02633478

19. Install lock (26) and nut (27). Nut (27) will be tightened during Step 36.
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    Illustration 13	g02724645

20. Install ring (24) onto the pump group.

21. While depressing the shaft, use Tooling (H) to measure the distance from the impeller to the top of ring (24). Use this measurement to determine the thickness of shims required in Step 31. Determine the thickness of shims required to place impeller 0.35 to 0.45 mm (0.014 to 0.018 inch) below the surface of ring (24).
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    Illustration 14	g02724731

22. Install spacer (25) and O-ring seal (23) onto the pump group.

23. Lubricate O-ring seal (23) with Tooling (G).
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    Illustration 15	g02633716

24. Install plate (22) and the rotating half of seal assembly (21).
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    Illustration 16	g02633469

25. Install the stationary half of seal assembly (20) into body half (18).
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    Illustration 17	g02633456

26. Install body half (18) and clamp assemblies (19).

27. Install sleeve (17) and the O-ring seal.
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    Illustration 18	g02633096

28. Install lip seal (16) into housing (9).
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    Illustration 19	g02627498

29. Apply a layer of Tooling (J) to the bearing bore of housing (9).

30. Use Tooling (C) in order to install bearing (15) and retaining ring (14) into housing (9).
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    Illustration 20	g02689226

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    Illustration 21	g02633478

31. Install shims (13) that were determined in Step 20, housing (9), bolts (12), and the washers onto pump group.

32. Apply Tooling (F) onto the threads of nuts (10) and (27).

33. Install nuts (10) and (27) onto shaft (11).

34. Use Tooling (A) and Tooling (D) in order to tighten nut (10) and nut (27) to a torque of 40 ± 5 N·m (30 ± 3 lb ft).

35. Bend tabs of locks (26) in order to retain nuts (27) and (10).
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    Illustration 22	g02627377

36. Fill the space under cover (8) with Tooling (J). Install cover (8) and bolts (7) onto housing (9). Tighten bolts (7) to a torque of 11 ± 3 N·m (97 ± 27 lb in).
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    Illustration 23	g02724805

37. Install plug (6), seals (1A), elbow (5), hose (4), clamps (3), manifold (2), and clamps (1) onto the pump group.

End By:

1. Install the auxiliary water pump.