3. Verify that the measured Drive Belt tension is within the belt condition New or Used
tension specification:
a. If the tension is not within the belt tension specification; continue procedure to
adjust the tension to specification.
b. If belt tension is within the drive belt tension specification; verify the machine
operation and return to service, see "Operation Verification" on page24.
Belt Condition Drive Belt Tension
New 100-120 lbs (45-54 kgs)
Used 80-90 lbs (36-41 kgs)
4. Walk the belt off the drive motor pulley. Use one hand to move the motor flywheel
which rotates the motor pulley and the other hand to walk the belt off the motor drive
pulley.
5. Loosen the four 1/2" hex Drive Motor mount fasteners, Then slide the motor position
either forward or rearward as needed to adjust the tension to the calibration tension
specification. Only make small incremental changes in the motor position per adjust-
ment to prevent over tensioning the belt.
Belt Condition Calibration Belt Tension
New 110 lbs +/- 10 (50 kgs +/- 4.5)
Used 85 lbs +/- 5 (39 kgs +/- 2)
CAUTION:Only make small incremental changes to motor position per tension
adjustment. Do not over tension the belt which could cause damage to the belt or
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 60
5 Adjustment Procedures
Drive Belt Tension and Alignment Adjustment
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