With a Phillips Screwdriver, remove 5 screws in order to remove the motor cover.
Fold Treadmill and remove bolt for the incline motor.
This step will require a helper to hold the deck. Remove the bolt for the extension tube then gently lower deck to the floor.
Lift the front of the treadmill up and support.
Remove the grounding screw and any motor wire cable ties.
Remove the M+ and M- from the motor controller
Remove the sensor from the motor.
Using either an allen wrench or a box wrench, remove the mounting bolts.
Loosen the adjuster bolts.
Remove the drive belt.
Transfer Bracket and then reverse the process to install the new motor.