How Many Times To Turn Garage Door Spring

1 75 means the inside diameter is 1 inches.

How many times to turn garage door spring.

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. To know how many times to wind a garage door spring you need to use an exact formula. Garage door spring wind direction color chart. 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. 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. When you count 30 turns you should know that you have completed the remaining five turns. 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.

You can find vertical lift doors normally in commercial and industrial applications such as on loading docks. 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. Measure the distance from the top of the closed door to the bottom of the horizontal track. This completes a total of seven spring turns adequate for a standard garage door.

Force spring exerts per 1 turn of the spring. Most people do not. 2 means the inside diameter is two inches etc. If your door is 7ft high then we recommend starting off at 31 quarter turns on each springs.

The original installer did not use a strong enough spring. Instead they end up either overwinding or underwinding the torsion spring. We will see with you what you must do so that everything works perfectly. We also carry the full line of liftmaster electric garage door openers and their accessories to meet all your everyday needs.

I made the calculations for the correct spring ordered them and now the door balances with 7 full turns 29 quarter turns. That is unless it s a reverse torsion system which we are not going to discuss right now. 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.

If you cannot find the size. Inch pounds per turn. If you have an 8ft door then start at 34 quarter turns. If you experience problems during the installation of your garage door contact us.