3508C, 3512C and 3516C Marine Engines Accessory Drive (Front) - Remove Caterpillar

Removal Procedure

Start By:

1. Remove the alternator. Refer to Disassembly and Assembly, "Alternator - Remove and Install".

2. Remove the electronic control module. Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install".

1. Drain the coolant from the cooling system into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
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   Illustration 1	g01125984

2. Remove adapter (5). Remove the gaskets from the adapter.

3. Remove bolts (3). Remove alternator pulley (1).

4. Remove bolts (2). Use Tooling (A) to remove adapter assembly (4) from the front housing. Remove the O-ring seal from the adapter assembly.

5. Remove the lip seal from adapter assembly (4).

6. Remove cover (7) from the adapter assembly. Remove the gasket from the cover.

7. Remove bolts (6).
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   Illustration 2	g01126268

8. Remove adapter assembly (8), the shaft, and the drive gear as a unit from the drive housing. Remove the O-ring seal from the adapter assembly.