980M Tier 4 and 982M Tier 4 Wheel Loaders Caterpillar

Removal Procedure

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Personal injury can result from failure to disconnect the battery. First, disconnect the negative battery cable. Then, disconnect the positive battery cable. A positive power lead can cause sparks if the battery is not disconnected. Sparks can possibly result in battery explosion or fire.

1. Open the hood.

2. Disconnect the battery cables.

3. Refer to Operation and Maintenance Manual, "Belt - Inspect/Adjust/Replace" for removing and installing the serpentine belt.
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   Illustration 1	g03357311

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   Illustration 2	g03357312

4. Remove hose (1) and bolts (3). Remove engine compartment shield (2).
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   Illustration 3	g02477369
   Machine and the support assembly have been removed for photographic purposes.

5. Disconnect ground strap (7). Disconnect harness assemblies (6) and (8).

6. Remove bolts (4) and remove alternator (5).
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   Illustration 4	g02477374

7. Remove nut (9) and remove pulley (10).

Installation Procedure

1. Install alternator (5) in reverse order of removal.

   1. Tighten nut (9) to a torque of 127 ± 10 N·m (94 ± 8 lb ft).

   2. Tighten the nut for harness assembly (6) to a torque of 18 ± 2 N·m (161 ± 21 lb in).

   3. Tighten the bolt for harness assembly (8) and ground strap (7) to a torque of 4.4± 1 N·m (39 ± 9 lb in).