How Many Times To Turn Garage Door Spring

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How many times to turn garage door spring.

To know how many times to wind a garage door spring you need to use an exact formula. Force spring exerts per 1 turn of the spring. Instead they end up either overwinding or underwinding the torsion spring. This completes a total of seven spring turns adequate for a standard garage door.

Measure the distance from the top of the closed door to the bottom of the horizontal track. After winding the spring you may need to add or subtract a quarter turn or more. 2 means the inside diameter is two inches etc. Inch pounds per turn.

You can find vertical lift doors normally in commercial and industrial applications such as on loading docks. If you cannot find the size. I made the calculations for the correct spring ordered them and now the door balances with 7 full turns 29 quarter turns. Torsion spring inside diameter and overall length in many cases the inside diameter of the torsion spring will be indicated on the stationary cone in between the two springs at the midpoint of the door.

If your door is 7ft high then we recommend starting off at 31 quarter turns on each springs. 1 75 means the inside diameter is 1 inches. If you have an 8ft door then start at 34 quarter turns. This video applies t.

We will see with you what you must do so that everything works perfectly. 1 divide the total spring s ippt by the cable drum multiplier 2 multiply the spring ippt by the number of turns and then divide by the hi moment arm. Doing so will eventually ruin your garage door opener. That is unless it s a reverse torsion system which we are not going to discuss right now.

If you experience problems during the installation of your garage door contact us. 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. Trained garage door technicians learn to master this calculation. As a matter of fact it took nine full turns 36 quarter turns of the original spring to get the door to balance.

When you count 30 turns you should know that you have completed the remaining five turns. In case of doubts on how many times you need to turn the spring contact a technician for guidance. 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. The original installer did not use a strong enough spring.