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Subject Author Date
Garage door spring question Robert Barr 05-21-2007
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Posted by Rich256 on May 24, 2007, 2:51 pm
> > The spring on a neighbors door broke near the floor and it went
> > through the garage roof and landed in his back yard.
>
> > The daugher of another neighbor was seriously injured when one broke
> > while she was standing nearby.
>
> That is why they run a cable through the springs now. Keeps them from
> flying.

That helps but the springs for solid door mechanisms are mounted near
the floor. Still quite dangerous. The big springs like I had in
that heavy door were able to break most cables. When I switched to
double springs and ran the cable through both of them it was a lot
safer as only one spring would be expected to break.


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Posted by Charles Pisano on May 24, 2007, 10:02 pm
Glad I read this thread. My springs are over the top of the door frame.
Is that the dangerous one.. I don't like pain..

CP


Posted by Rich256 on May 25, 2007, 10:18 am
On May 24, 8:02 pm, pisanoc...@webtv.net (Charles Pisano) wrote:
> Glad I read this thread. My springs are over the top of the door frame.
> Is that the dangerous one.. I don't like pain..
>
> CP

wound up or expanded springs are always dangerous. They store a lot
of energy. However, yours are not dangerous if they break as they are
held in place by the shaft. The expansion types are the ones that can
go flying around the garage when they break.

When working on your type you still must exercise some care. The door
must be firmly blocked open to take the tension off the spring.

One fellow told me he unfastened the brackets to an expansion type
spring while the door was closed. He is probably lucky to be alive.
That is something like a four foot spring a couple inches in diameter,
expanded to eight feet.

I looked around the web hoping to find a picture of a mechanism like
that used on the big solid door. It was mounted on the wall next to
the door. Heavy springs were at about 45 degrees starting at the
bottom of the door and slanted away from it, right next to where you
would walk. When one of mine broke the whole house shook. It broke
near the floor, snapped the safety cable and smashed into something in
the rafters of the garage. A second one broke on the other end and it
just hit the floor hard.

That door got replaced with a sectional door like yours with a torsion
spring up above!!


Posted by Steve Barker on May 22, 2007, 9:06 pm
how would he lose a hand or arm? Fall off the ladder? Hell you can do that
painting.

--
Steve Barker





> On Tue, 22 May 2007 00:57:23 +0000, Robert Barr wrote:
>
>> I need to replace the extension springs in my garage door. I weighed
>> the door (properly, a few times) and came up with 145 pounds. Do I use
>> 140 pound springs, or 150?
>
> Some jobs are worth paying for. Unless you don't mind loosing a hand or
> an arm... Depends I guess.



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