This tension makes it easier to lift the garage door from its closed position.
Garage door tension spring cable.
Garage doors with a single tension spring located over the center of the door are difficult and potentially dangerous to repair.
The springs extend along the shaft and work by twisting as the garage door closes by means of cables attached to each side of the lowest garage door panel.
Side mounted springs are long heavy.
In this video i will show you how to replace a broken cable for your extension spring garage door.
What a garage door cable does.
Mine broke and this is nearly identical to the length of the one that s being replaced i m replacing both only one broke remember to get some 1 2 quot.
Can you repair a garage door tension spring yourself.
Steel bars to de tension the springs.
Here s a breakdown of how to adjust garage door cables.
How to adjust garage door tension.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.
I just measured it.
The cable runs through the torsion springs literally doing the heavy lifting each time the door is raised.
You might be wondering what purpose does a garage door cable serve.
If you use the correct tools and follow our instructions you can rebuild the entire torsion spring system in just a few hours without any side trips to the er.
The garage door tension springs provide lifting force for the heavy door and are under tremendous tension get careless and they can hurt you.
Contact a professional repairman or garage door specialist for repairs to this kind of door.
If the tension is too loose the springs that help lift the.
It s a torsion spring cable designed for a common 7 garage door installation.