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Question About Craftsman Garage Door Opener 139.53963SRT
cant manually open garage door...

The large spring on top appears to be broken and I want to manually open my door but it seems extremely heavy. Does adjusting the pressure for up and down affect it when it is in manual mode?

Asked by gina on 05/03/2011 0  Answer

ManualsOnline posted an answer 13 years, 5 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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