BUSHING 5358203 - Caterpillar

Inspect
Open the access door on the right side of the machine. Note: Even if only one belt is worn or damaged, replace the belts in sets.
Illustration 1 g00479550
Inspect the condition of the fan and of the alternator belt. The belts should deflect 14 to 20 mm (.56 to .81 inch) under 110 N (25 lb) of force. Use a 144-0235 Belt Tension Gauge in order to measure the tension. Adjust/Replace
Illustration 2 g00479551
Illustration 3 g02880484
9EM7400-Up
Loosen the adjusting locknut.
Turn the adjusting nut until the correct belt tension is reached. To achieve the correct belt adjustment, move the alternator inward or move the alternator outward, as required.
Tighten the adjusting locknut.
Close the access door. Note: Use the same procedure in order to replace the belts.Note: If new belts are installed, check the belt adjustment again after 30 minutes of engine operation.