3512C Generator Set Engine Caterpillar

Assembly Procedure

Reference: Refer to Reuse and Salvage Guidelines, SEBF8418, "Salvage of Water Pumps in 3500 Series Engines" for reuse and salvage guidelines.

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Illustration 1	g06133754

1. Install filters (15) into pump housing (10).
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   Illustration 2	g06133753

2. Install ring (14) and the locating pin.

3. Use Tooling (C) to install lip seal (13) into pump housing (10).
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   Illustration 3	g06133750

4. Install shaft assembly (8), thrust washer (9), bolts (7), and the washers into pump housing (10).
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   Illustration 4	g06133755

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   Illustration 5	g03476619

5. Use Tooling (D) to install stationary seal group (11) with the ceramic side facing out.
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   Illustration 6	g06133756

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   Illustration 7	g06133757

6. Use Tooling (E) and a suitable press to install rotating seal group (6). Rotating seal group (6) is to be installed with installation clips (X) in place until rotating seal group (6) is fully seated. Remove installation clips (X).

   Note: Do not use hammer to install seal groups as damage to the ceramic faces on the seal groups will occur.

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   Illustration 8	g06133758

7. Lubricate the shaft assembly with a light coat of engine oil. Use a suitable press to install impeller (5) into pump housing (10) and onto the shaft assembly. Install impeller (5) to a depth of 0.0 ± 0.15 mm (0.00000 ± 0.00591 inch) from the end of the shaft assembly to the outer face of the impeller.

   Note: Support the shaft assembly to prevent damage to the thrust washer.

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   Illustration 9	g06133759

8. Install plug assembly (12) and the O-ring seal into pump housing (10).
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   Illustration 10	g03475339

9. Install O-ring seal (4) and O-ring seal (3) onto cover assembly (2).
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   Illustration 11	g03475023

10. Install cover assembly (2), the studs, and nuts (1). Tighten the studs to a torque of 35 ± 5 N·m (25 ± 3 lb ft). Tighten nuts (1) to a torque of 27 ± 5 N·m (19 ± 3 lb ft).

End By:

1. Install the water pump.