3516C Marine Engines Caterpillar

Removal Procedure

Start By:

1. Remove the alternator.

2. Remove the electronic control module.

1. Drain the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
   Show/hide table

   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).
   Show/hide table

   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.

Installation Procedure

Show/hide table

Illustration 3	g01142452

1. Use Tooling (B) to install lip seal (9) in adapter assembly (4).
   Show/hide table

   Illustration 4	g01126268

2. Install the O-ring seal on adapter assembly (8). Apply clean engine oil to the O-ring seal. Install the drive gear, the shaft, and adapter assembly (8) as a unit. Make sure that the teeth of the drive gear are properly aligned with the teeth of the drive gear for the oil pump and the water pump.
   Show/hide table

   Illustration 5	g01125984

3. Install bolts (6).

4. Install the gasket and cover (7) on the adapter assembly.

5. Install the O-ring seal on adapter assembly (4). Apply clean engine oil to the O-ring seal and the lip seal. Install adapter assembly (4) on the front housing and install bolts (2).

6. Position alternator pulley (1) on the auxiliary drive shaft and install bolts (3).

7. Install the gaskets and adapter (5).

8. Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.

End By:

1. Install the electronic control module.

2. Install the alternator.