DRIVE BELTS ADJUST/REPLACE (CONT).
Use belt tension gage (7), part number ST-1293,
to measure belt tension. Tension for new belts
should be 150 to 160 ft-lbs (200 to 220 N.m)
torque. Tension for used belts should be 70 to
120 ft-lbs (95 to 165 N.m) torque.
Do not use an ST-1274 belt tension gauge on V-
ribbed belts because it will not give an accurate
Tighten idler pulley shaft locknut (14) to 50
ft-lbs (70 N.m) torque.
Loosen adjusting screw (15) 1/2 turn to prevent
Measure belt tension again. Adjust if necessary.
Replace fan drive belts (16) on accessory drive
Tension fan drive belts (16) by pushing fan hub
bracket (17) away from accessory drive pulley
Tighten three capscrews (18) to 80 ft-lbs (110
Measure belt tension with proper gauge, using
belt tension chart as a guide. Readjust as