Both the winding and stationary cones are professionally installed for safe operation.
Side garage door springs.
Door with an initial tension of 110 lbs.
Most of the time the end on the right hand wind is red and the left and wind is black as you can see on the graphic below.
All dura lift springs meet the dasma standard rating of 10 000 plus door open and close cycles.
Two p730 springs one on each side of the door can handle a 90 lbs.
Four p730 springs two on each side of the door can handle a 150 lbs.
They extend when the door is lowered and closed and retract as it opens.
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.
Install new or use this pair of left install new or use this pair of left and right wound torsion springs to replace broken sectional garage door torsion springs.
A garage door generally has two extension springs one on each side of the door and runs parallel to the track.
Either 4 c hook s or 4 w hook s sold separately are required to connect the springs to the jamb hardware.