All dura lift springs meet the dasma standard rating of 10 000 plus door open and close cycles.
Overhead door torsion spring installation.
The weight of the door may be 400 lb 180 kg or more but is balanced by either a torsion spring system or a pair of extension springs.
Both the winding and stationary cones are professionally installed for safe operation.
Larger commercial and industrial overhead garage door torsion springs are stretched as much as an inch.
The color on the winding cone is to help identify on which side.
Your door will have either one or two torsion springs.
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.
The use of an oxy acetylene torch is necessary but it should not be used without prior training.
Springs are made in america and shipped within 24 hrs transit times vary based on your zip code usually 2 to 4 days from our mfg facilities f o b.
Dura lift heavy duty extension garage door spring 2 pack 130 lb 4 7 out of 5 stars 441 pair of 250 x 2 x 28 40 garage door torsion springs with winding bars.
Depending on where you live doing this garage door spring replacement job yourself might save you 200 or more.
We won t cover how to replace garage door extension spring systems in this story.
If the garage door spring snakes after tightening the set screws repeat the process and stretch the spring half as much as before.
Newer versions of overhead garage doors are now generally built from several panels hinged together that roll along a system of tracks guided by rollers.
Replacing torsion springs on duplex style overhead door systems entails much dangerous work.
If your door opens more than 3x a day add the 20 000 high cycle option to your order an inexpensive upgrade which will double the life of your existing spring.
1 garage door torsion spring 243 x 2 x 31 ot 1 garage door torsion spring 243 x 2 x 31 ot description these are the highest quality garage door oil tempered torsion springs on the market.
These instructions are for overhead doors with two duplex spring systems one on each half of the door that are mechanically joined together with the.
Each torsion spring consists of spring coils stationary cone and a winding cone fig.
The spring coils are color coded depending on the spring size and the winding cone is color coded separately either red or black.