If the extension springs are not the same length open the garage door and change the location of one of the s hooks so that when you close the door both springs are the same length.
How to install overhead garage door extension spring.
Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers.
Carefully put the clevis on the end of the spring and bolt the clevis to the pulley.
A couple of carabiners can.
Follow the included instructions to hook up the opener and fasten it to the spring system with a pulley and cable.
Garage door springs come in two styles.
Extension springs the other kind of garage door springs are torsion springs run alongside the upper garage door tracks the ones that run parallel to the ceiling and stretch or extend out and back to help lift the garage door.
Then ask for a price based on 7 19 lift cables and double life springs.
Garage door openers come in several varieties.
Garage door springs offset the weight of the door and allow it to open and close with ease.
The doors with two springs are easy to replace.
A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem.
Then measure the width and height of your door.
Install the garage door opener.
Attach the spring to the hook or clip at the hanger bracket and then lift the spring and the cables up to meet each other.
There are two types of garage door springs.
Be sure the door is open and supported when doing this.
Torsion see above which mounts on the header above the door and extension photo 1 which floats above the upper roller track.
To install the opener you ll need to hang another angle iron from the center joist on your garage s ceiling.
If both springs are the same length the garage door should be level across the floor.
Following are the steps necessary to replace one or more of these springs while taking safety precautions.
Start your garage door spring replacement project by getting a rough measurement of your springs length and diameter.