C12.9 Marine Engines Caterpillar

Removal Procedure

Start By:

1. Remove belt guard.

2. Remove oil line (Supercharger)

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Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.

1. Drain the engine oil.

2. Drain the coolant.
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   Illustration 1	g06073061

3. Remove bolt (1) and bolts (4). Remove tube assembly (2). Remove bolts (5) and position tube assembly (3) out of the way.
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   Illustration 2	g06073092

4. Loosen clamps (6). Remove bolts (7) and bolts (9). Remove tube assembly (8).
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   Illustration 3	g06073361

5. Loosen clamp (10) and position hose assembly (11) out of the way. Disconnect tube assembly (12).
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   Illustration 4	g06073400

6. Remove six bolts (13). Remove ten bolts (15) and remove oil pan (14).

Installation Procedure

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Illustration 5	g06073444

1. Install engine oil pan (14) in the reverse order of removal.

   1. Tighten bolts (13) and bolts (15) to a torque of 30 ± 3 N·m (266 ± 27 lb in)in the order depicted in illustration 5.

   2. Tighten tube assembly (12) to a torque of 25 ± 3 N·m (221 ± 27 lb in).

   3. Tighten clamp (10) to a torque of 3.25 ± 0.25 N·m (29 ± 2 lb in).

   4. Tighten bolts (9) to a torque of 23 ± 2 N·m (204 ± 18 lb in).

   5. Tighten clamps (6) to a torque of 3.25 ± 0.25 N·m (29 ± 2 lb in).

   6. Tighten bolts (5) to a torque of 23 ± 2 N·m (204 ± 18 lb in).

   7. Tighten bolts (4) to a torque of 80 ± 8 N·m (59 ± 6 lb ft).

   8. Tighten bolt (1) to a torque of 23 ± 2 N·m (204 ± 18 lb in).