The trolley is connected to the garage door and as the trolley moves it pulls the door open or pushes it closed.
What is needed to install a garage door opener.
Garage door openers must be installed properly to ensure the mechanism fits to specifications and operates safely.
A minimum of 3 5 to 4 5 is required on either side of the door opening.
A belt driven garage door opener can be a bit quieter during operation.
Choose a garage door opener.
51 mm to standard lift movements.
Standard garage door openers have a similar design.
On the other hand if there is only 4 in.
Be sure to check your owner s manual for important safety information.
121 mm to 12 in.
Let the home depot install your new garage door opener and save you from battling your unresponsive opener or lifting your door by hand.
Choose the right garage door opener.
There are two basic types of garage door openers chain driven and belt driven.
Securely mounted hardware and rails.
Consider this when making the choice of what opener to buy.
Both operate in roughly the same way but just use a slightly different part for operation.
In order to install torsion spring hardware we recommend a clearance of 12 in.
This is the area available immediately adjacent to the door opening.
When equipping a garage door with an electric door opener add 2 in.
A glitchy garage door opener can cause daily frustration.
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 height of the garage door opening is the distance from the floor to the top of the garage door opening.
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.
For instructions on how to install a new garage door opener see how to install a garage door opener.
The main difference between garage door opener models is how the motor moves the trolley.
Most garage door openers feature a carriage that runs on a rail or along a tube from a motor to the front of the garage and an arm connects the carriage to the garage door.
If the eyes aren t connected the door won t operate.
A motor drives a trolley or carriage along a rail.
304 mm available it is best to use a dual track system designed for low headroom.
Garage door opener assembly and installation let our experts walk you through the basics of a garage door opener installation step by step.