Precor 9.23 Service Manual page 12

7. The lift tube must turn freely during step 5, if you turn the lift drive screw while turning the lift
tube, you must return to step 4 and repeat steps 4 and 5. Set the on/off switch in the "off"
position.
8. Swing the lift platform into its mounting position with the lift tube and fasten it with the bolt
removed in step 2.
9. Set the treadmill in its normal upright position. Set the on/off switch in the "on" position.
Place the treadmill in the manual program and operate the incline several times between its
minimum and maximum incline positions to ensure that the incline is operating normally
throughout its entire range.
9.23, 9.27 Treadmill
Page 12