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How to Replace a Garage Door Torsion Spring
Step-by-Step Instructions for Changing out a
Garage Door Torsion Spring Properly and Safely
By Mark J. Donovan
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Right up front I want to be clear that replacing a
garage door torsion spring can be dangerous, so think twice before
choosing to do this type of project on your own.
Prior to actually doing any work on your garage door inspect it
carefully. Look to see if you can find the source of the problem that
may have led to the torsion spring’s failure. Make sure to confirm that
the torsion springs mounting brackets and track hangers are secure. A
failed or loosened bracket can often be the root cause of a torsion
spring failure. |
Also, make sure any loose brackets are securely refastened prior to
actually replacing the garage door torsion spring. Finally, make sure that
the torsion spring is not under any residual tension before you begin to
disassemble it. If there is tension, you could end up seriously injuring
yourself or damaging items in the garage.
If your garage door has only one torsion spring follow the instructional
tips on how to replace it.
1) First, remove the stationary cone from the torsion spring center support
and slide it over towards the drum.
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2) Next, make a mental note of the position of the torsion
spring’s end bearing plate and then unbolt the plate and slide it off the
shaft.
3) Now, loosen the drum screws and slip the drum off of the shaft.
4) Next, slip the broken spring off of the shaft and slide the new one on.
5) Then slide the drum and end bearing plate back onto the shaft. Make sure
to position the end bearing plate at the same location it was originally
located. |
6) Now fasten the spring to the center support plate.
7) Next, check the opposite drum and make sure that the screws associated
with it are tight and that the wire cable is wrapped around the drum
properly. Use Vise-Grips to hold the shaft in place to prevent the drum from
rotating and the cable from becoming loose.
8) Then on the loose drum side, reconnect the wire cable and turn the drum
so that the cable wraps snuggly around the drum. Then tighten the drum set
screws.
9) Make sure that both wire cables are of equal tension. If they aren’t
adjust so that they are.
10) Next, wind the torsion spring using a couple of steel rods that fit
tightly into the winding plug holes. Make sure to wind the torsion spring
per the manufacturer’s directions.
If your garage door has two torsion springs that share the center support,
you will have to remove the tension completely from the spring that was not
broken before undertaking the replacement of the damaged garage door torsion
spring.
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