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Question About Craftsman Garage Door Opener 139.53914D
door won't go all the way up...

I replaced the gear/sprocket assembly in my craftsman 1/2 horse opener. I re-assembled everything and now the door only goes up about 1/2 way. I tried to adjust the UP on the side of the unit, but it didn't seem to make a difference. It worked fine before I replace the gear/sprocket assembly, so I don't think I should have to adjust the UP/DOWN force.

Asked by Alan on 08/09/2009 1  Answer

ManualsOnline posted an answer 15 years, 2 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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