With a Phillips Screwdriver, remove 5 screws in order to remove the motor cover.
Remove these screws to remove the foot covers.
Remove these screws in order to remove the end caps
Remove the middle strip of the side rail.
Remove these screws in order to remove the side rail.
Use an allen wrench to loosen the rear roller. Then remove the deck bolts.
Slide the deck out and then reverse the process to install new deck.