Precor 9.21 Service Manual page 16

9.21, 9.21i, 9.21S, 9.21Si Treadmill
Note:
1/16" is 1/2 of a revolution of the plastic nut. The white plastic nut must not rotate while you are
pressing the either of the INCLINE keys.
9. Exit the diagnostics program.
10. Turn off the treadmill with the circuit breaker, then unplug the treadmill from the wall outlet.
Note:
When you perform the next step, keep the white plastic nut in the same relative position to the
drive screw. If necessary though, you may turn the drive screw 1/2 of a revolution.
11. Mount the lift motor on the treadmill as described in Procedure 6.4 of this appendix.
12. Check the operation of the treadmill as described in Section Three of this appendix.
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