Precor Precision 400 Series Service Manual page 56

4. The gauge should read approximately 80 lbs (36 kgs) pounds. The drive belt tension
is acceptable if it is in the range of 70-90 lbs (32-41 kgs).
Drive Belt
Calibration Tension
Verification Tension.
5. If the drive belt tension is out-of-spec limits, then readjust the belt tension.
a. Slightly loosen the four drive motor mounting bolts. The drive motor mounts on
slotted holes allowing the drive motor to be move forward or rearward.
b. Move the drive motor forward or rearwards, as required, until the belt gauge
reads approximately 80 lbs (36 kgs) and tighten the four drive motor mounting
bolts enough to hold the motor in position.(not more than 180 in-lbs (15 ft-lbs,
20.4 N-m).
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Belt Tension
80 lbs (36 kgs)
70-90 lbs (32-41 kgs)
5 Adjustment Procedures
Drive Belt Tension Adjustment
Page 49