3508, 3512 and 3516 Generator Set Engines Caterpillar

Assembly Procedure

Note: Check the O-ring seals for wear or damage. Replace the O-ring seals, if necessary.

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Illustration 1	g00921575

1. Lower the temperature of bearing (11). Use Tooling (A) and a suitable press to install bearing (11) in front adapter assembly (12). The bore in bearing (11) must be 75.00 ± 0.06 mm (2.953 ± 0.002 inch) after installation.

2. Install O-ring seal (13).
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   Illustration 2	g00921574

3. Install gears (8) and (10) on shaft assembly (1).

4. Install bolts (9).
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   Illustration 3	g00921559

5. Lower the temperature of bearing (5). Align the oil hole in bearing (5) with the oil hole that is in rear adapter assembly (3). Use Tooling (A) and a suitable press to install bearing (5).

6. Ensure that bearing (5) does not extend above the surface of rear adapter assembly (3). The bore in bearing (5) must be 75.00 ± 0.06 mm (2.953 ± 0.002 inch) after installation.

7. Install O-ring seals (6) and (7) on rear adapter assembly (3).
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   Illustration 4	g01052078

8. Install rear adapter assembly (3) on shaft assembly (1).

9. Install the bolts and thrust washers (2).

10. Install O-ring seal (4) on rear adapter assembly (3).

End By:

1. Install the engine oil and water pump drive.