this is a 3 part series on a 3000 model. it should be almost identical. the motor is in part 3 at about 9min
https://www.youtube.com/watch?v=zF2qz5ZxnFU part 1
https://www.youtube.com/watch?v=V_jHxxiid0A part 2
https://www.youtube.com/watch?v=S5OZOPhZgck part 3