3512C Generator Set Engine Caterpillar

Removal Procedure

Start By:

1. Remove air shutoff.

1. Drain the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct draining and filling procedures.
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   Illustration 1	g03842304

2. Remove bolt (2), bolts (3), bolt (4), and the clamps.

3. Disconnect tube assembly (1), tube assembly (8), and tube assembly (9).

4. Remove bolt (7), bolt (10), bracket (5), and bracket (6).
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   Illustration 2	g03842324

5. Remove bolt (14) and the clamps.

6. Disconnect tube assembly (13).

7. Remove bolt (11) and bracket (12).
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   Illustration 3	g03842369

8. Use a suitable lifting device to remove air inlet cover (15). The weight of air inlet cover is approximately 36 kg (79 lb).

9. Remove bolts (16), air inlet cover (15), and the seal.
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   Illustration 4	g03842380

10. Remove bolts (19) and bolts (22). Disconnect tube assembly (20) and tube assembly (21).

11. Remove bolts (17) and elbow (18).
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    Illustration 5	g03842419

12. Use a suitable lifting device to remove aftercooler (23) and the seal. The weight of aftercooler (23) is approximately 59 kg (130 lb).

Installation Procedure

1. Install aftercooler (23) in the reverse order of removal.

   1. Install the seals to aftercooler (23) and temporarily secure the seals with tape.

      Note: Do not use RTV, adhesive, or lubricants for seal retention.

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      Illustration 6	g03842444

   2. Install air inlet cover (15) and bolts (16). Tighten bolts (16) in numerical sequence shown in illustration 6 to a torque of 24 N·m (212 lb in). Tighten bolts (16) in numerical sequence shown in illustration 6 to a final torque of 47 N·m (35 lb ft).

   3. Remove tape that is holding the seals in place.

   4. Lubricate the bore of tube assembly (20) with Tooling (A).