The sears garage door opener in this 7 year old house we just bought
does not have any saftey mechanism to prevent closing on things.
Recently one of our metal garage cans was in the way and I watched the
door almost rip itself apart on closing.
Anyway, after dis/assembling and straightening all of the bent parts
it looks good but it still has about 1" more to close, else it will
let snow and rain in.
My question is, where do I look for the travel adjustment? There's a
spring in line with the chain that I played with only to find that
it's the chain tensioner. There's a pair of lapped metal arms or
bars bolted together that have offset holes in them, but changing the
offset would change the travel way over 1". Where do I look for the
PS. I can easily get the door all the way down manually. There's
The force controls have nothing to do with the amount of travel. You have
to look on the unit's side panel for two plastic slotted screw heads. These
control the amount of door travel. Here's an illustration:
Mind you, the Chamberlain Group is the company that makes the Sears and
LiftMaster line of operators. So this LiftMaster illustration basically is
the same as the Sears line.
Thanks, Rich. Before, I saw the access holes for the travel control
adjustments but there was nothing behind them. After reading your
post, closer inspection revealed that the actual adjustment screws
were on the other side of the box, where there are no access holes.
Someone had turned the entire insides of the box 180 degrees. And
it's not even a real 180 degrees, more like 160. The motor's mounted
askew. However is works well and quiet. Is there a reason to all this
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