C6.6 Engines for Caterpillar Built Machines Vibration Damper and Pulley - Remove - Pulley with Split Lock Rings Caterpillar

Removal Procedure

Start By:

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

Note: The weight of the assembly of the crankshaft pulley, the vibration damper and the crankshaft adapter is approximately 22 kg (48 lb). Remove the vibration damper and the crankshaft pulley before the crankshaft adapter is removed from the engine.

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Illustration 1	g01337777

1. Install Tooling (A) into one of the unused threads in the assembly of the crankshaft pulley, the vibration damper and the crankshaft adapter.

2. Remove bolts (4).

3. Remove vibration damper (3) and crankshaft pulley (2) from crankshaft adapter (1). Remove Tooling (A) from crankshaft adapter (1).

4. Use a suitable tool in order to prevent the crankshaft from rotating. Use Tooling (B) to remove torx screws (5).

5. Hold a wood block against crankshaft adapter (1). Strike the wood block with a hammer in order to loosen split lock rings (9).

6. Carefully remove crankshaft adapter (1) from the crankshaft. Remove thrust block (6) from crankshaft adapter (1). Remove O-ring seal (7) from thrust block (6). Remove split lock rings (9) and spacer (8) from crankshaft adapter (1). Note the position and orientation of the split lock rings and the spacer.