Precor 9.21 Service Manual page 29

6. Remove the e-rings and lift pins that secure the lift motor nut to the lift platform. Remove and
set aside the lift motor.
Replacing the Lift Motor
7. Calibrate the treadmill as described in procedure 4.1 of this appendix.
8. Line up the mounting holes at the top of the lift motor with the lift motor mounting holes on
the treadmill frame.
9. While an assistant holds the lift motor in place, position the clevis pin through the top of the
lift motor and the treadmill frame. push the hitch pin through the clevis pin.
10. Replace the e-rings and lift pins that secure the lift motor nut to the lift platform.
11. Secure the ground wire to the lift motor ground frame connection.
12. Connect the lift motor wiring assembly to the lower PCA.
13. Check the operation of the treadmill as described in Section Three of this appendix, then
replace the hood as described in Procedure 5.1 of the Residential Treadmill Service
Manual.
9.21, 9.21i, 9.21S, 9.21Si Treadmill
Page 29