We are installing a new Craftsman garage door opener that is almost exactly the same as the one we are replacing. I can't get the door to either open or close all the way. If I can get it open all the way when it closes it stops about 6 inches short. If I move the chain and make it to where it will close all the way it will not open all the way, it is down about 6 inches lower than I would like it to be. It is a Craftsman 1/2 HP 315 MHz model 139.53985.
On page 28 of the owners manual are the instructions for adjusting the up and down travel of the garage door opener. If you did not get an owners manual, you can find one on this site by following the instructions below.
Go to the Home page of Manage My Home and hold your mouse over the square
labeled HOME in the upper left of the page. A drop-down menu will appear,
choose the option Products and manuals.
For this model enter the following:
Type of Product Garage door opener Brand Craftsman Model no.
139539 Select Find manuals at the bottom of the page to search for your manuals. Choose
the blue Owner's manual (pdf) link for your product from the search results
and it will open your manual for viewing online.
You can save a copy of the manual to your Home Profile or, on most computer
systems, download or print the manual while you are viewing it.
If the manual can't be found, please call the Manage My Home Member Services
Team at 1-800-803-6775, between 8 a.m. and 8 p.m. Central Time. They will be
more than happy to help you track down the manual.
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