GEAR-SUN 1645808 - Caterpillar

Removal Procedure
Illustration 1 g01254466
Typical example
If the engine is equipped with fan guards, remove the fan guards.
Loosen nut (1), bolt (2) and bolt (4). Slide the alternator toward the engine.
Remove V-belts (3). Note: Mark the position and direction of rotation if the V-belts will be reused. Never replace single V-belts. Always replace V-belts as a pair.Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 144-0235 Belt Tension Gauge 1
Illustration 2 g01254466
Typical example
Install V-belts (3) onto the correct pulleys. Note: Used V-belts should be installed in the original position and direction of rotation.
Adjust the tension on the V-belts by moving the alternator away from the engine. Use Tooling (A) in order to achieve the correct belt tension. Refer to System Operation, Testing and Adjusting, "V-Belt -Test" for more information. Tighten bolt (4) to a torque of 22 N m (16 lb ft).
Tighten bolt (2) to a torque of 44 N m (32 lb ft).
Tighten nut (1) to a torque of 22 N m (16 lb ft).
If the engine is equipped with fan guards, install the fan guards.