Craftsman opener model 139.53413

rosevillejohnsonJune 14, 2008

I have an older Sears Craftsman 1/2 HP garage door opener that recently stopped working. When I press the button to open the door, I hear the motor running, but the chain mechanism doesn't move. The motor runs for a while, then it stops for a second and starts running again. My guess is that the opener is so old that it will need to be replaced, but I thought that it might be worth asking whether there's some simple solution to the problem. Thank you.

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don_1_2006

Take the cover off and I'm sure you will find the drive gear is stripped. It isn't all that hard to replace and the new gear comes with instructions. The part number is 41A2817.

    Bookmark   June 16, 2008 at 2:02PM
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meritpod2001_yahoo_com

Does this model use sensor/eyes (the kind that are mounted near the floor)?
How does it know to reverse itself if something obstructs closing it?

    Bookmark   April 18, 2011 at 10:43AM
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don_1_2006

This model does not have door sensors. When the door meets an obstruction it stalls the motor, the logic board senses this and reverses the door to the open position. Because it doesn't have door sensors the manufacturer no longer supports it.

    Bookmark   April 19, 2011 at 9:35AM
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