C8.7 Marine Engine Caterpillar

Removal Procedure

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

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Illustration 1	g03794285

2. Loosen hose clamp (3) and remove hose (2) .

3. Loosen tube assembly (1) .

4. Remove bolt (4) .

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Illustration 2	g03794259

5. Loosen hose clamp (8) and remove hose (14) .

6. Loosen coupling (9) and tube assembly (7) .

7. Loosen tube assembly (12) .

8. Disconnect harness assembly (13) .

9. Remove bolt (10) and stud (11) .

10. Remove bolts (6) and expansion tank (5) .

Installation Procedure

1. Install expansion tank (5) in the reverse order of removal.

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

   2. Tighten stud (11) and bolt (10) to a torque of 46 ± 5 N·m (34± 3 lb ft).

   3. Tighten tube assembly (12) to a torque of 38 ± 3 N·m (28± 2 lb ft).

   4. Tighten coupling (9) to a torque of 45 ± 5 N·m (33 ± 3 lb ft).

   5. Tighten tube assembly (7) and tube assembly (1) to a torque of 20 ± 2 N·m (177 ± 18 lb ft).

   6. Tighten hose clamp (8) and hose clamp (3) to a torque of 5.25 ± 0.25 N·m (46 ± 2 lb in).

   7. Tighten bolt (4) to a torque of 10 N·m (89 lb in).