Garage door reverses before hitting the floor.
Garage roller door spring adjustment.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Close the garage door and disconnect your garage door opener.
Clamp the garage door in place with a c clamp above the bottom roller.
Once the spring is free of tension remove from its track hanger.
Here are the steps to adjust common torsion spring mechanisms.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
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.
Two possible problems can lead to a garage door reversing before it even touches the floor.
Retest the door balance as you did in step 1.
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.
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Adjusting an extension spring door.
Find the two springs and corresponding adjustment screws collars these should be along the shaft.
You must release the tension on the garage door springs before attempting adjustment or replacement.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
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.
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.
Adjust the springs on both sides of the door the same way.
If it was opening too quickly move it to the next lower hole.