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Question About Craftsman Garage Door Opener 139.53975SRT
I replaced all......

...of the gears with a new kit and now the trolley will only travel about a foot in either direction.

Asked by Skip on 02/02/2010 1  Answer

ManualsOnline posted an answer 14 years, 8 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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