PLATE 5H0051 - Caterpillar

Removal Procedure
Turn the battery disconnect switch to the OFF position.
Illustration 1 g02710297
If the engine is equipped with fan guards, remove the fan guards.
Loosen nut and bolt (1).
Loosen the nut and bolt (4) for bracket (6).
Loosen bolt (5) for bracket (6).
Slide alternator (3) toward the engine.
Remove V-belts (2) from the alternator (3) and the engine crankshaft pulley and the fan drive pulley. Note: Mark the position and direction of rotation if the belts will be reused. Never replace single belts. Always replace 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 g02710297
Install belts (2) to alternator (3) and the engine crankshaft pulley and the fan drive pulley. 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 the correct procedure.
Tighten bolt (5) for bracket (6) to a torque of 22 N m (195 lb in).
Tighten nut and bolt (4) to a torque of 44 N m (32 lb ft).
Tighten nut and bolt (1) to a torque of 22 N m (195 lb in).
If the engine is equipped with fan guards, install the fan guards.
Turn the battery disconnect switch to the ON position.