3034 Marine Engine Caterpillar

Removal Procedure

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Disconnect batteries before performance of any service work.

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Illustration 1	g00810871

1. Disconnect electrical connections (2) to the alternator (1) before proceeding. Mark the connections or identify the connections for later installation.

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Illustration 2	g00810870

2. Loosen bolt (4) and bolt (5) .

3. Slide alternator (1) toward the engine.

4. Remove alternator V-belt (3) from the alternator pulley.

5. Remove bolts (4) and (5) .

6. Remove alternator (1) from the engine.

Installation Procedure

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Illustration 3	g00810870

1. Put alternator (1) in position on the engine.

2. Install bolts (4) and (5). Tighten bolts (4) and (5) finger tight.

Note: When you install the alternator, ensure that the alternator pulley is in alignment with the crankshaft pulley within 2.4 mm (0.09 inch).

3. Install alternator V-belt (3) .

4. Slide alternator (1) away from the engine in order to tension alternator V-belt (3). For more information on the tension for the alternator V-belt, refer to the Testing and Adjusting Module, "Belt Tension Chart".

5. Tighten bolt (4) to a torque of 12 N·m (9 lb ft).

6. Tighten bolt (5) to a torque of 24 N·m (18 lb ft).

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Illustration 4	g00810871

7. Reconnect electrical connections (2) to the alternator (1) before you operate the engine.