You must release the tension on the garage door springs before attempting adjustment or replacement.
How to adjust garage door springs video.
With an extension spring door the goal is to take all the tension off the door before you even think about touching a spring you can do this by opening the door all the way and propping it up with a ladder.
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If it was opening too quickly move it to the next lower hole.
Once the spring is free of tension remove from its track hanger.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Adjust the springs on both sides of the door the same way.
Retest the door balance as you did in step 1.
The springs are located at the top inside part of the garage door.
Adjusting an extension spring door.
If your garage door cable is at an angle or l.
This video applies t.
This can make the other parts of the garage door last a much longer time.
How to safely adjust your garage door spring.
Garage door springs offset the weight of the door and allow it to open and close with ease.
This video will show you how to repair a mis aligned garage door cable.
Open it just as wide as you can without hitting the garage door opener s stop bolt and place a clamp on the track on both sides to keep the door in.
If the garage door isn t opening or closing properly then check the tension on the torsion springs for needed adjustments you may need to have someone helping you to adjust the torsion spring because it can be potentially dangerous.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
This video will show you how to replace the extension springs on your garage door.