V-BELT 2754909 - Caterpillar

Illustration 1 g00302707
Stop the engine. Open the engine access door on the right side of the machine.Alternator Belt
Illustration 2 g00666047
Inspect the condition of the alternator belt. Use a Kent Moore CompanyBT-33-97 gauge to check the tension of the alternator belt.The tension of a used alternator belt with more than 30 minutes of operation at rated speed should be 489 44 N (110 10 lb). The tension of a new alternator belt with 30 minutes of operation or less at rated speed should be 800 22 N (180 5 lb).If the alternator belt requires adjustment or replacement, proceed to Step 2.
Illustration 3 g00666055
Loosen mounting bolts (2) and adjusting locknut (4) .
Turn adjusting nut (3) until the correct belt tension is reached. Tighten adjusting locknut (4) to a torque of 150 20 N m (110 15 lb ft).
Tighten mounting bolts (2) .
Recheck the tension of belt (1). If the tension is incorrect, repeat the adjustment procedure.Air Conditioner Belt
Illustration 4 g00666052
Inspect the condition of the air conditioner belt. Use a Kent Moore CompanyBT-33-97 gauge to check the tension of the air conditioner belt.The tension of a used air conditioner belt with more than 30 minutes of operation at rated speed should be 711 44 N (160 10 lb). The tension of a new air conditioner belt with 30 minutes of operation or less at rated speed should be 1067 44 N (240 10 lb).If the air conditioner belt requires adjustment or replacement, proceed to Step 2.
Illustration 5 g00666060
Loosen mounting bolts (5) and adjusting locknut (8) .
Turn adjusting nut (7) until the correct belt tension is reached. Tighten adjusting locknut (8) to a torque of 150 20 N m (110 15 lb ft).
Tighten mounting bolts (5) .
Recheck the tension of belt (6). If the tension is incorrect, repeat the adjustment procedure.