C18 Marine Engines Caterpillar

Removal Procedure

1. Disconnect the batteries.
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   Illustration 1	g03120820

2. Release tension on the belt tensioner and remove belt (1).
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   Illustration 2	g03120976

3. Disconnect harness assemblies from terminals (4).

4. Remove bolts (2) and (5), then remove alternator (3).
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   Illustration 3	g03121236

5. Remove bolt (8) then remove tensioner (9).

6. Remove four bolts (6) then remove alternator support (7).

Installation Procedure

1. Install alternator (3) in the reverse order of removal.

   1. Tighten bolt (5) to a torque of 88 ± 7 N·m (65 ± 5 lb ft).