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.
How to change garage door opener motor.
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.
Connect the lifting arm from the door to the track.
Choose the right garage door opener.
Go with 1 2 hp for a double door and 3 4 hp for a door that has a wood or faux wood overlay they can be heavy.
The motor gear is a white toothed wheel which is mounted on a long metallic piece called the sprocket shaft.
On the outside of the garage mount the wireless keypad using the screw gun.
Run the wire through a conduit and connect it to the garage door opener motor.
Screw the new motor into the existing brackets in the ceiling using the wrench.