Precor 9.17 Appendix page 15

IF...
The belt tensioning gauge reads
less than 14 pounds
The belt tensioning gauge reads
more than 16 pounds
4. When the belt tension is correctly set tighten the jam nut to lock the tension setting.
5. If necessary, slide the running bed back into place. Replace and tighten the running bed
mounting bolts. Replace both running belt guides.
Diagram 4.4 - Drive Belt Tensioner
Tension
Adjustment
Bolt
THEN...
Turn the drive belt tension bolt
clockwise, until the belt tensioning
gauge reads 14-16 pounds @1/2" deflection.
Turn the drive belt tension bolt
counterclockwise, until the belt
tensioning gauge reads 14-16 pounds @ 1/2"
deflection.
9.17, 917si Treadmill
Drive Belt
Tensioner
Jam Nut
Page 15