If you garage door is opening and shutting down perfectly the spring are working fine but if it is showing these signs you may need to tighten and adjust the springs.
How tight to tighten garage door spring.
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.
The springs extend along the shaft and work by twisting as the garage door closes by means of cables attached to each side of the lowest garage door panel.
This tension makes it easier to lift the garage door from its closed position.
Adjust the springs on both sides of the door the same way.
It s actually one of the most important safety mechanisms of your garage door.
Once the spring is free of tension remove from its track hanger.
Adjusting an extension spring door.
There are two torsion springs at each side of the garage door.
You might be wondering what purpose does a garage door cable serve.
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.
The cable runs through the torsion springs literally doing the heavy lifting each time the door is raised.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
The springs are located at the top inside part of the garage door.
The door is taking longer than usual in opening and closing itself.
Side mounted springs are long heavy springs mounted on each side of the upper garage door track.
Here s a breakdown of how to adjust garage door cables.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.
Warning signs that your garage door springs need adjustment.
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.
If the garage door isn t opening or closing properly then check the tension on the torsion springs for needed adjustments.
What a garage door cable does.
If the tension is too loose the springs that help lift the.
If it was opening too quickly move it to the next lower hole.
How to adjust garage door tension.
Retest the door balance as you did in step 1.