So buy slotted angle iron at a hardware store.
What is needed to install a garage door opener.
There are five 5 main measurements to consider.
If you can t raise and lower the door normally by hand do not install the opener until the door is repaired.
Securely mounted hardware and rails.
Cut it to size with a hacksaw.
304 mm available it is best to use a dual track system designed for low headroom.
Prepare your garage door for opener installation.
There are three levels of horsepower found in most garage doors.
But the mounting straps that are included are often so flimsy that you can bend them with your hands.
Be sure to check your owner s manual for important safety information.
When equipping a garage door with an electric door opener add 2 in.
Torsion spring brackets should be firmly mounted to the wooden header above the door.
A total of six measurements are needed.
The main difference between garage door opener models is how the motor moves the trolley.
In order to install torsion spring hardware we recommend a clearance of 12 in.
A motor drives a trolley or carriage along a rail.
121 mm to 12 in.
If you re installing a garage door opener for the first time make sure that the opener will be located near an electrical outlet particularly of the power unit will be mounted on the ceiling.
Garage door openers come with everything you need for garage door opener installation.
1 3 will be able to lift a one car garage door 1 2 is best for dual car or sectional doors around 300 pounds and 3 4 up to 1 5.
Roller track support brackets and the opener should be securely bolted to the rafters.
Clean the tracks and lubricate with a lithium based grease.
The trolley is connected to the garage door and as the trolley moves it pulls the door open or pushes it closed.
51 mm to standard lift movements.
The weight of a garage door is supported by the door springs cables and pulleys not the opener.
The measuring process is simple and only takes a few tools and about 15 minutes of your time.
Standard garage door openers have a similar design.
On the other hand if there is only 4 in.
One of the most important first steps to installing a garage door opener is to properly measure your garage door so that you purchase the correct size opener for your application.
For instructions on how to install a new garage door opener see how to install a garage door opener.
The rough opening of your space which should be approximately the same size as the door.
Install an outlet or have one installed by an electrician as needed.