3176C Industrial Engine Caterpillar

Removal Procedure

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Illustration 1	g00519255

1. Use a breaker bar to release the tension on belt tightener (1). Remove the drive belt.

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Illustration 2	g00519256

2. Remove bolt (4) and the washer.

3. Remove belt tightener (1) .

4. Remove three bolts (2) and the washers.

5. Remove support (3) .

Installation Procedure

1. Inspect the condition of the belt tightener and the drive belt. Replace the tightener and the belt, if necessary.

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Illustration 3	g00519256

2. Install support (3) on the front housing with three bolts (2) and the washers. Tighten the bolts to a torque of 55 ± 10 N·m (41 ± 7 lb ft).

3. Install belt tightener (1) with bolt (4) and the washer. Tighten the bolt to a torque of 55 ± 10 N·m (41 ± 7 lb ft).

4. Install the drive belt. Use a breaker bar to place the original amount of tension on the belt.

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Illustration 4	g00519259

5. If the alternator is equipped with an adjustable support strap, adjust the position of the alternator until the indicator edge (5) is aligned with the green area of the indicator decal.