The screws will need to be loosened to move the cone and adjust the tension of the rod.
How to adjust commercial overhead door springs.
The use of an oxy acetylene torch is necessary but it should not be used without prior training.
Adjustments should be made in 1 4 turn increments.
Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.
Remember when it comes to turning commercial door closer adjustment screws a little goes a long way.
This can make the other parts of the garage door last a much longer time.
When two springs are used both sides should be adjusted the same.
Rules and formulas door weight.
If the rod comes loose then the torsion spring could snap and cause bodily harm.
To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller.
Take a wrench to loosen the two screws on the cone.
Open the door and watch it close.
With locking pliers clamped on the torsion tube winding bars are used to wind the springs tighter to increase tension.
How to safely adjust your garage door spring.
Have another person hold the rod in place to make sure that it doesn t come out while you begin to loosen the screws.
Tension is reduced by removing turns.
Replacing torsion springs on duplex style overhead door systems entails much dangerous work.
You can order the springs with standard ends and heat the ends to bend them into the cones or you can order the springs with the ends in and heat the wire several inches from the ends to bend the wire up to ease screwing in the cones.
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 high lift.
Start with no more than 1 8 of a turn.
To adjust torsion spring tension the door is locked in the down position.
Commercial overhead door duplex torsion spring replacement.
When replacing commercial overhead door torsion springs with these inside diameters you will normally need a torch if you order the springs without cones installed.