3406C MARINE ENGINE Caterpillar


Crankshaft Vibration Damper & Pulley

Usage:

Remove Crankshaft Vibration Damper & Pulley

1. Remove the top bolt from pulley (2), and install a 5/8 -18 NF Guide Bolt (1) in the crankshaft.

2. Remove the remainder of the bolts and pulley (2) from the vibration damper.

3. Remove vibration damper (3) from the adapter.

4. Remove adapter (4) from the crankshaft.

Install Crankshaft Vibration Damper & Pulley

1. Install a 5/8 -18 NF Guide Bolt (2) in the crankshaft.

2. Put adapter (1) in position on the crankshaft.


NOTICE

The vibration damper has marks (3) on the hub and ring. These marks show an indication of the condition of the vibration damper. If the marks are not in alignment, install a new damper.


3. Put vibration damper (4) in position on the adapter.

NOTE: Lubricate the threads of the bolts that hold the crankshaft vibration damper and pulley in place with clean engine oil.

4. Put pulley (5) in position on the vibration damper, and install the bolts.

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