You can find vertical lift doors normally in commercial and industrial applications such as on loading docks.
How much tension to put on garage door springs.
The springs are located at the top inside part of the garage door.
19 abiding ippt charts in 2019 standard garage door torsion springs clopay ez set torsion conversion kit garage door spring color code how to measure garage door torsion springshow many turns on a garage door spring mycoffeepotgarage door spring winding chart coskintorsion spring calculator instructions qualitymercial garage door torsion springs wayne dalton19 abiding ippt charts.
If the door is hard to raise the tension at the hinge springs is too loose and the automatic closer must work too hard to raise the door.
There are two torsion springs at each side of the garage door.
When you count 30 turns you should know that you have completed the remaining five turns.
Adjustments should be made in 1 4 turn increments.
This tension makes it easier to lift the garage door from its closed position.
A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem.
Tension is reduced by removing turns.
On standard lift doors the formula is dh dc 1 or the door height in inches divided by the drum circumference in inches plus one.
To adjust torsion spring tension the door is locked in the down position.
With locking pliers clamped on the torsion tube winding bars are used to wind the springs tighter to increase tension.
If your garage door weighs 250 pounds your torsion springs need to exert a force of 250 pounds to make the door easy to open and close.
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.
After winding the spring you may need to add or subtract a quarter turn or more.
In case of doubts on how many times you need to turn the spring contact a technician for guidance.
When two springs are used both sides should be adjusted the same.
If the garage door isn t opening or closing properly then check the tension on the torsion springs for needed adjustments.
This completes a total of seven spring turns adequate for a standard garage door.
Garage door springs offset the weight of the door and allow it to open and close with ease.
Raise the door using the handle on the outside.
Side mounted springs are long heavy springs mounted on each side of the upper garage door track.
