Connect the lifting arm from the door to the track.
How to change garage door opener motor.
On the outside of the garage mount the wireless keypad using the screw gun.
Install the end of the rail in the bracket that held the old opener above the garage door and secure it with the fastener bolts or clevis pin.
Choose the right garage door opener.
The garage door opener motor consists of the motor assembly and the motor gear the motor assembly is a grey cylinder mounted inside the unit s frame.
When buying a garage door opener choose a 1 3 hp or 1 2 hp garage door opener for a single garage door 1 3 hp can be hard to find at some home centers.
The motor gear is a white toothed wheel which is mounted on a long metallic piece called the sprocket shaft.
Wire the keypad into the wall on the inside of the garage.
Screw the new motor into the existing brackets in the ceiling using the wrench.