Drive Belt Tension Section V - Specifications - Group 18 Page V-42 M11 Drive Belt Tension SAE Belt Size Belt Tension Gauge Part No. Belt Tension New Belt Tension Range Used* Click-type Burroughs N lbf N lbf .380 in. 3822524 620 140 270 to 490 60 to 110 .440 in. 3822524 620 140 270 to 490 60 to 110 1/2 in. 3822524 ST-1138 620 140 270 to 490 60 to 110 11/16 in. 3822524 ST-1138 620 140 270 to 490 60 to 110 3/4 in. 3822524 ST-1138 620 140 270 to 490 60 to 110 7/8 in.
3822524 ST-1138 620 140 270 to 490 60 to 110 4 rib 3822524 ST-1138 620 140 270 to 490 60 to 110 5 rib 3822524 ST-1138 670 150 270 to 530 60 to 120 6 rib 3822525 ST-1293 710 160 290 to 580 65 to 130 8 rib 3822525 ST-1293 890 200 360 to 710 80 to 160 10 rib 3822525 3823138 1110 250 440 to 890 100 to 200 12 rib 3822525 3823138 1330 300 530 to 1070 120 to 240 * A belt is considered used if it has been in service for ten minutes or longer. * If used belt tension is less than the minimum value, tighten the belt to the maximum used belt value.