Overhead Door Spring Winding Chart

This video applies t.

Overhead door spring winding chart.

Measure the overall length of the garage door spring unwound take all your measurements from the broken spring. The spring coils are color coded depending on the spring size and the winding cone is color coded separately either red or black. Measure the spring only from coil to coil. 3 3 8 or 3 3 4 step 3.

Step 2 measure the inside diameter of the your garage door spring it will be one of the following. You can find vertical lift doors normally in commercial and industrial applications such as on loading docks. Do not include the winding and stationary ends. All dura lift springs meet the dasma standard rating of 10 000 plus door open and close cycles.

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. Determine the wire. Both the winding and stationary cones are professionally installed for safe operation. Your door will have either one or two torsion springs.

Each torsion spring consists of spring coils stationary cone and a winding cone fig.