Precor Precision 400 Series User Manual

15. Raise or lower the lift yoke on the lift motor jackscrew until the distance from the top of
the plastic yoke lift nut to the top of the screw is as close as possible to 1-1/4” with the
yoke facing reward. The final position of the yoke must be facing rearward. To raise or
lower the yoke nut position, hold the jackscrew from turning while screwing the lift
yoke assembly up or down as needed. If the lift motor jackscrew rotates (moves)
while adjusting the yoke position, the lift calibration will be invalid. Use the diagnostic
CROSSRAMP TEST to reset the lift motor ramp A/D number to 223 and repeat the
yoke adjustment.
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Crossramp calibration incline A/D number: 223
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Lift MotorCalibration Distance: 1-1/4”
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 201
6 Available Replacement Procedures
Lift Motor Replacement

Precor Precision 400 Series Specifications

General

Brand	Precor
Model	Precision 400 Series
Category	Treadmill
Language	English