If the door was closing too quickly move the spring to the next higher hole on the bracket.
How to adjust garage roller door springs.
Once the spring is free of tension remove from its track hanger.
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Retest the door balance as you did in step 1.
Unplug the opener and pull the emergency release cord up and down to disconnect the door from the opener.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
Adjust the springs on both sides of the door the same way.
Hold the door in place.
Close the garage door.
If it was opening too quickly move it to the next lower hole.
The garage door track attaches to the frame of your garage door and guides the rollers that open and close the mechanism.
Sometimes this may come out of alignment and require adjusting.
Adjusting your garage door.
Here are the steps to adjust your garage door track.
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.
You must release the tension on the garage door springs before attempting adjustment or replacement.
Adjusting an extension spring door.
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.
Use locking pliers or a c clamp under the bottom rollers to prevent the door from rolling down.
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.
Open the door to release the tension on the springs.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.