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Garage door torsion shaft moves causing misalignment

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Garage door torsion shaft moves causing misalignment amolvb 03-20-2007
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Posted by on March 20, 2007, 5:07 pm


Facts:
8' x 7' wooden sectional door with torsion spring and Liftmaster GDO
in Chicago, IL

Background:
A few months back my door stopped midway (on its way to close) and one
of the cables came loose. We hired a pro who came and dinged me for
replacing new cables. After 5 days, the same thing happened. I
called him and he has recommended changing the whole setup ($680).

I installed new cables myself (yes, I played with death in winding the
springs myself) but after 2-3 weeks, the same problem happened. I
noticed this time that the cable drum on the left hand side (facing
the door from inside the garage) was touching the bracket and that was
causing the whole problem. I checked both cable drums and they were
rock solid. What i mean is that the cable drum hadn't shifted but the
whole torsion shaft had moved. Is there a diagnosis why the torsion
shaft is moving?

I have to confess that the house is 50 years old and I am the 6th or
7th owner of this house and I don't know how old the door is. What
would you recommend? I don't have a problem shelling out the dough
for the new door but I really hate to pay if the only thing wrong is a
small bearing someplace.

Any advise is really appreciated. If you recommend going for the new
door - I have the option to go for Clopay ($680), Amarr ( $600) or CHI
($590). Any recommendations will be helpful.


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Posted by PaPaPeng on March 20, 2007, 5:24 pm


On 20 Mar 2007 14:07:50 -0700, amolvb@gmail.com wrote:

> I noticed this time that the cable drum on the left hand side (facing
>the door from inside the garage) was touching the bracket and that was
>causing the whole problem. I checked both cable drums and they were
>rock solid.

It should be possible to unseat the drum set screws and move the drum
to a spot where it doesn't rub against anything. Or else use that
opportunity to remove a bit of material or bend the bracket just
enough not to be in the way of the pulley drum.

Posted by PaPaPeng on March 20, 2007, 8:49 pm



>On 20 Mar 2007 14:07:50 -0700, amolvb@gmail.com wrote:
>
>> I noticed this time that the cable drum on the left hand side (facing
>>the door from inside the garage) was touching the bracket and that was
>>causing the whole problem. I checked both cable drums and they were
>>rock solid.
>
>It should be possible to unseat the drum set screws and move the drum
>to a spot where it doesn't rub against anything. Or else use that
>opportunity to remove a bit of material or bend the bracket just
>enough not to be in the way of the pulley drum.


One more suggestion. Is it possible to file down the cable drum rim
so that it doesn't bind anymore? Of course make sure there is enough
rim left not to let the cable slip out.

Posted by clifto on March 20, 2007, 6:48 pm


amolvb@gmail.com wrote:
> Any advise is really appreciated. If you recommend going for the new
> door - I have the option to go for Clopay ($680), Amarr ( $600) or CHI
> ($590). Any recommendations will be helpful.

If you decide on a professional, I know a good one in the 'burbs. (No
connection except as a satisfied customer.)

--
Martians drive SUVs! <http://oregonmag.com/MarsWarm307.html>

Posted by Richard J Kinch on March 21, 2007, 9:06 pm


> What i mean is that the cable drum hadn't shifted but the
> whole torsion shaft had moved. Is there a diagnosis why the torsion
> shaft is moving?

To diagnose this you must first understand what is supposed to keep the
torsion shaft from moving axially.

Likely your door has been reassembled improperly and/or missing some
part(s). Like bushings that stand off the drums from the brackets.

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