Use locking pliers or a c clamp to secure the door to the track to keep it from opening when you release the tension on the springs 1 x research sourcestep 2 loosen the set screws while holding each spring with a winding bar.
How to install a torsion spring on garage door.
Disconnect the garage door opener so the door remains closed.
Slip the torsion springs onto the spring tube the red winding cone on the left end the nylon center bearing center bearing plate and the black winding cone torsion spring on the right end fig.
Residential torsion springs are stretched 1 8 to 1 4.
Rotate the drum to wind the cable into the winding grooves.
Position a sturdy ladder to the side of the springs rather than working directly in front of them for safety reasons.
Leave the locking pliers in place and repeat the tightening procedure on the other side.
Snap a locking pliers onto the torsion tube to lock it into place while you tighten the drums.
Insert the bolts in the stationary cones of the new torsion spring and insert the bolts in the slots on the spring anchor bracket.
Larger commercial and industrial overhead garage door torsion springs are stretched as much as an inch.
Make sure that the bearing is inside the stationary cone.
Put on eye.
Finger tighten nuts on bolts until the stationary cone is flush against the center bearing plate.
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