Retest the door balance as you did in step 1.
Garage roller door spring adjustment.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
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.
Garage door reverses before hitting the floor.
Two possible problems can lead to a garage door reversing before it even touches the floor.
Adjust the springs on both sides of the door the same way.
Adjusting an extension spring door.
This video applies t.
Once the spring is free of tension remove from its track hanger.
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Find the two springs and corresponding adjustment screws collars these should be along the shaft.
Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.
Clamp the garage door in place with a c clamp above the bottom roller.
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Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off when the door reverses before it even hits the floor this is often because the close force.
To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
Close the garage door and disconnect your garage door opener.
You must release the tension on the garage door springs before attempting adjustment or replacement.
If it was opening too quickly move it to the next lower hole.