Garage Door Torsion Spring Winding Chart
Spring length how long each spring is 4.
Garage door torsion spring winding chart. Dasma is a leading organization in our industry that created the guidelines and specifications for garage door springs. Spring orientation only worry about this if you have a 1 s. Measure the outside diameter and then subtract twice the wire diameter. Black winding cone torsion springs are used on the right side of the door and red winding cone torsion springs are used on the left side of the door when viewing the door from the inside looking out.
Posted on may 22 2020 by bandi ruma. Finding the right size springs is a crucial part of repairing your garage door and ensuring it lasts for years to come. As with the vertical lift doors the formula for the number of turns on the springs is complex. The formulas for determining the number of turns to wind a torsion springs is based on the drum number door height and high lift dimension which is the distance from the top of the door to the center of the horizontal track.
This system aids in proper identification for repair ordering and. Most of the time the end on the right hand wind is red and the left and wind is black as you can see on the graphic below. In order to order new garage door torsion springs you will need to measure as accurately as possible your current spring s and find the. Always convert torsion springs to a spring of equal or greater wire diameter.
The chart is based on information from the door access systems manufacturers association dasma. Failure to install the torsion springs on the correct side will cause your door to function improperly and could result in serious injury. In most cases you can determine the wind of your garage door torsion spring by using the color coded system on the cones at the end of the spring. Usually you will have two springs on your door which will be color coded.
How to measure garage door torsion springs. Force spring exerts per 1 turn of the spring. In this post you ll find a garage door spring chart for torsion springs and extension springs. How many turns on a garage door spring torsion springs left wind or right standard garage door torsion springs js garage door services detailed garage door diagram g s.
Multiply the door weight by the hi moment arm and then divide by the number of turns. Garage door torsion spring winding chart. Inside diameter 90 of doors have a 2 0 inside diameter 3.