Also consider the specifications of the new motor that you are buying.
Can you just replace garage door opener motor.
Install the first rail following the manufacturer s instructions into the motor or power head unit of the garage door opener.
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 original style of garage door opener opened and closed with a chain drive.
Slide the track into the bracket and secure with the wrench.
Choose the right garage door opener.
The new motor requires some assembly before you install it.
Disconnecting the motor unit.
A garage with space for two cars usually needs a motor with horsepower.
To do this you need to switch off the power supply disconnect the motor from the garage door mechanism and then undo all the connections between the motor and the opening mechanism.
Let the garage door be in a closed position.
Install the bracket that comes with the garage door opener over the garage door using the screw gun.
Connect the lifting arm from the door to the track.
Wire the keypad into the wall on the inside of the garage.
If you can see something that looks like a bicycle chain near the motor unit of your opener consider replacing it with a screw driver or belt drive 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.
When you get an operator you get a new rail and chain with it you dont have to replace anything on the door itself if you want to just change the motor head of the operator then you have to.