SUPPORT-EDGE 8W1447 - Caterpillar

1. Remove bolt (1) and washer (2) from the crankshaft. Put enough spacers (4) on the bolt to get approximately 3.18 mm (.125 in) of clearance between washer (2) and vibration damper and pulley assembly (3). Install bolt (1), washer (2), and spacers (4).
If spacers (4) are not used, damage to the bolt and/or crankshaft can result when the vibration damper and pulley are removed from the crankshaft.
2. Install Tool (A) as shown, and loosen vibration damper and pulley assembly (3) from the crankshaft.3. Remove Tool (A), bolt (1), washer (2), washer (4) and the vibration damper and pulley assembly from the crankshaft. If necessary, remove the bolts and vibration damper from the pulley. Inspect the vibration damper housing for leakage or dents (damage housing). If either condition exists, a replacement of the vibration damper must be made.Install Crankshaft Vibration Damper & Pulley (3306)
1. Put the vibration damper in position on the pulley. Install the bolts that hold it. 2. Put vibration damper and pulley assembly (1) in position on the crankshaft, and install washer (2) with the maximum flat area against the vibration damper and pulley assembly.3. Install bolt (3). Tighten the bolt to a torque of 284 to 340 N m (210 to 250 lb ft). Hit the bolt with a hammer, and tighten the bolt again to a torque of 284 to 340 N m (210 to 250 lb ft).