Follow these to test the tension of your garage door spring.
How to tension garage roller door springs.
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.
Remove the spring hook and adjust the tension.
Clamp the garage door in place with a c clamp above the bottom roller.
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.
Wider and taller doors found in warehouses and commercial facilities use larger torsion springs.
Over the past 40 to 50 years the most common type of spring installed on new garage door builds is the torsion spring.
Use locking pliers or a c clamp under the bottom rollers to prevent the door from rolling down.
Torsion springs are more common for heavier garage door installations think taller insulated windowed wooden garage doors.
Open the door to release the tension on the springs.
Through the use of pulleys they perform the same function as the torsion springs.
Hold the door in place.
This tension makes it easier to lift the garage door from its closed position.
Loosen the screw that holds the collar of the spring 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.
Hold the collar of the first screw in place with a metal rod through one of the holes in the side.
They come under tension when the garage door is closed to make lifting the.
Open the garage door fully.
Unplug the opener and pull the emergency release cord up and down to disconnect the door from the opener.
Side mounted springs are long heavy springs mounted on each side of the upper garage door track.
Loosen set screw on spring s mark the spring with a welders chaulk or marker line from collar to collar flanges turn spring in direction of coil usually toward ceiling roof do not turn backwards as this will make sring climbe the collars.