That s because garage door extension springs have a stripe of color on them that indicates their size.
Extension spring garage door diagram.
For extension spring systems they need safety cables so follow our video on how to replace your garage door extension spring safety cables.
8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions.
The cable now goes around the pulley at the end of the spring through the clevis.
Since extension springs are determined by how much weight they each lift and the pulley system cuts this in half you need to replace your old springs with 200 pound extension springs.
Plug end extension spring is a p728 28 in.
Commercial cable replacement the following pdfs are instructions for replacing commercial garage door cables in different situations a repair person may encounter in the field.
Our springs are american made highest quality garage door springs with lifetime warranty.
This door would use two 210 pound lift extension springs.
We make purchasing extension springs easy.
Two p728 springs one on each side of the door can handle a 90 lbs.
American garage door supply strives to make your purchasing process simple and worry free.
Next it attaches to the hook at the bracket that is attached to the overhead track.
Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time.
Door with an initial tension of 110 lbs.
If it breaks we replace it.
A more accurate method for weighing either a torsion spring door or an extension spring door is on our youtube channel.
So all you need to do is locate this color indicator and relay the color you ve found red yellow blue orange etc to the extension spring supplier.
The new box for the springs should have a generic diagram.
This will tell them what they need to know.
Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors.
Or if the door has four extension springs the door would use two 100 pound lift springs and two 110 pound lift springs.
Do not try to remove the extension spring that is not broken when the garage door is closed.
We would be glad to help.
Home garage door springs extension garage door springs extension garage door springs.
Pictures of your installation would be better.
Replacing garage door springs.