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Posted by on March 24, 2007, 3:52 pm
On Mar 24, 1:57 pm, slo...@gmail.com wrote:
> I installed a new 3/4 horsepower Craftsman garage door opener. Went
> well, no problems. Close position set and open position sets well.
> However, when in the open position, and I push the botton to close
> the
> door, the initial motion is extremely bouncy and tourques the arm
> upwards before continuing on it's path to close.
>
> The mounting is solid and the open position is proper (i.e it is open
> just short of level and not at a backwards slant).
>
> Is my problem the angle of the arm from the wall to the motor unit? I
> have a feeling the downward slant is not enough such that the motor
> unit should be set lower.
> Or...any other ideas?
>
> Thanks Steve-O
I had a problem with my door that drove me crazy for a long time. The
door would bounce or jump or whatever on the way down. After checking
everything I could think of, I asked a professional, and it turned out
to be the cable pulleys. They were sticking intermittently, causing
the door to be very jerky. Lubed and/or replaced as necessary, and the
problem went away. You might want to take a look at your pulleys, if
you have a similar system.
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