That said you should only lift the door with a second set of hands.
How to change your garage door spring.
The bigger hole in the cone goes at the stationary end of the shaft.
This video will show you how to replace the extension springs on your garage door.
A safety cable is threaded through the spring to.
Open the garage door to remove all spring tension and clamp it in place.
Check that the wire is tight enough.
If the wire starts to spin after a few turns you have placed the wrong garage door spring on the shaft.
Remove the wrong spring and place on the correct one.
Slide the new spring onto the shaft.
Once you ve completed a quarter turn insert the other bar into a different hole in the cone and let the bar lever against the closed garage door to hold the spring tension.
This video will show you how to replace the extension springs on your garage door.
Replace extension garage door springs by following these steps.
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Disconnect the spring from the track bracket and the spring pulley.
This allows you to move the original bar to repeat the process alternating the bars with each quarter turn.
Better yet call a garage door repair person to inspect and repair the door for.