Open the door fully to relieve the tension on the hinge springs at each side of the door opening.
How to tension garage roller door springs.
This is how to loosen or tighten the tension on a roll up door.
Close the garage door and disconnect your garage door opener.
Place the second winding bar in the hole that s now facing the floor and vertical to the door to help you hold everything in place while you return the set screws to the holes and tighten them down snugly.
Follow these to test the tension of your garage door spring.
Use locking pliers or a c clamp under the bottom rollers to prevent the door from rolling down.
Open the door to release the tension on the springs.
Unplug the opener and pull the emergency release cord up and down to disconnect the door from the opener.
Install a vertical two by four brace at the outer edge of the door to prevent the door from falling.
How to test the garage door spring tension.
Disengage the garage door from the motor or in other words put the door into manual mode lift the garage door until the bottom of the door is roughly chest height.
Hold the door in place.
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.
To adjust a door that can t stay open bring the first winding bar up to a 90 degree angle with the garage door this is a quarter turn.
This is how to loosen or tighten the tension on a roll up door.
Here are the steps to adjust common torsion spring mechanisms.
Remove the spring hook and adjust the tension.
Close your garage door.
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.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
Clamp the garage door in place with a c clamp above the bottom roller.