Disengage the opener from the door.
Manual garage door springs.
Garage door springs offset the weight of the door and allow it to open and close with ease.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Step 1 unplug the garage door opener and clamp the door to the track.
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Put on eye.
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Position a sturdy ladder to the side of the springs rather than working directly in front of them for safety reasons.
Disconnect the garage door opener so the door remains closed.
Once the spring is free of tension remove from its track hanger.
A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem.
On older openers you may need to remove the l shaped drawbar arm.
Use locking pliers or a c clamp to secure the door to the track to keep it from opening when you release the tension on the springs 1 x research sourcestep 2 loosen the set screws while holding each spring with a winding bar.
If the garage door has two springs measure each spring individually.
Ideal door overhead garage door 3 heavy duty steel pulley.
Remember that if you have two springs on your torsion system and only one is broken to double the weight shown on the scale.
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There are two different types of spring systems for garage doors.
Weighing your garage door is the best possible way to determine the proper springs needed for the door.
Adjust the springs on both sides of the door the same way.
Changing your garage springs isn t typically a diy project and usually requires a professional.
This can still be done when only one extension spring is broken.
If it was opening too quickly move it to the next lower hole.
Retest the door balance as you did in step 1.
You may need to use a 2x4 or some other object to pry the garage door open.
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If you prefer a matching set we can convert a mismatched set to a matching set.
Steel residential garage door installation instructions and maintenance 1 and 2 layer construction in this manual you will find safety information how to prepare the opening installing the new door painting maintenance and replacement parts.
If your garage door slips down below the header after you have opened it you garage door springs need to be adjusted.
Weigh your garage door.
If it doesn t stay in place on its own it s time to replace your garage springs.
It is not uncommon to have two different size springs.
But it s good to know when it s time to find garage door spring replacements.
Some garage door openers have a neutral position for the trolley disconnect.