Choose the right garage door opener.
How to change garage door opener motor.
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.
Connect the lifting arm from the door to the track.
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.
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.
On the outside of the garage mount the wireless keypad using the screw gun.
Install the new motor.
Run the wire through a conduit and connect it to the garage door opener motor.