C6.6 Marine Generator Set Caterpillar

Removal Procedure

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Personal injury can result from hot coolant, steam and alkali. At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns. Remove filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand. Cooling System Conditioner contains alkali. Avoid contact with skin and eyes.

1. The engine can have the ability to auto start. Ensure that the power supply is isolated before any service or repairs is performed.

2. Turn the battery disconnect switch to the OFF position.

3. Turn the air supply at the air reservoir to the OFF position. Ensure that the air pressure is drained from the starting air system.
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   Illustration 1	g01715573

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   Illustration 2	g01709893

4. Remove the nut and bolt (4) (not shown) and remove spacer (5) (not shown) from tube clips (6).

5. Loosen hose clamp (3) and hose clamp (8). Remove tube assembly (6) from air to air charge cooler (1) and the turbocharger.

6. Remove bolts from guard (2) and remove the guard from air to air charge cooler (1).

7. Loosen hose clamp (9) and hose clamp (11). Remove tube assembly (10) from the air to air charge cooler and the elbow for the inlet manifold.
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   Illustration 3	g01704174

8. Remove bolts (17) and remove alternator guard (18) from the radiator assembly.

9. Remove bolts (15) and remove panel (16) from guard (14).

10. Remove bolts (19). Remove guard (20) from guard (14).

11. Remove nuts and bolts (12). Remove bolts (13) from guard (14). Remove guard (14) from air to air charge cooler (11).
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    Illustration 4	g01715106

12. Remove bolts (23) and remove panel (24) from guard (22).

13. Remove bolts (25) (not shown). Remove guard (26) (not shown) from guard (22).

14. Remove bolts (21). Remove guard (22) from air to air charge cooler (11).
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    Illustration 5	g01711443

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    Illustration 6	g01709677

15. Remove bolts (27) and remove cowling (28) from air to air charge cooler (11).

16. Remove the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install".

17. Attach a suitable lifting device to air to air charge cooler (11). The weight of air to air charge cooler (11) is approximately 35 kg (77 lb).

18. Remove bolts (29) and bolts (30) (not shown) from air to air charge cooler (11).

19. Use the suitable lifting device in order to remove air to air charge cooler (11) from the radiator assembly (31).