b. If the distance is NOT within the specified limit, continue procedure and calibrate
the lift motor assembly.
Lift motor calibration adjustment
4. Disconnect the extension tube from the lift platform weldment mounting bracket by
removing the hitch pin and clevis pin. Retain part(s) and/or fastener(s) for installation.
5. Firmly hold the jackscrew and rotate the extension tube to adjust the calibration dis-
tance. The calibration distance is measured between the top of the extension tube nut
and the bottom of the lift motor actuator housing. Make sure the calibration distance is
within the specification limit 1 1/8 in - 1 3/16 in (2.8 cm - 3.0 cm).
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 63
5 Adjustment Procedures
Lift Motor Calibration
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