This video will show you how to replace the extension springs on your garage door.
How to change garage door spring.
Doors with extension springs have two sets of pulleys which are sometimes called sheaves.
One cable attaches to the bottom of the door runs up and over the pulley above the door and around the spring pulley and then attaches to the door track bracket.
Garage door springs can be easily broken making the garage door difficult to open or even putting the vehicle or driver at risk by dropping on them.
Attempt the following steps only if you are a very.
Larger commercial and industrial overhead garage door torsion springs are stretched as much as an inch.
Replace torsion garage door springs by following these steps.
The torsion garage door springs will be located on either side of the center of the door frame while extension springs are on swing out arms placed on either side of the door itself.
Replacing torsion springs is the more difficult and potentially dangerous task.
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One at the end of each spring and one at the top of the vertical door track they also have two cables on each side.