craftsman gdo

robostonMarch 6, 2011

I replaced a worn gear and rpm sensor that broke and now the door only opens 6 inches and then reverses 6 inches and stops. Have made endless amounts of adjustments still to no avail. help

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don_1_2006

Make sure you put the black cup back on the end of the motor shaft and that it is pressed all the way on. Make sure the RPM sensor is plugged in. If neither of these are the issue, then you probably did not have the motor shaft pushed all the way back when you tightened the coupler after replacing the worm gear. Loosen that coupler up and from the front of the motor (opposite end in which the coupler is on) push the shaft back as far as it will go. Hold it there while you tighten the coupler back up and then try it.

    Bookmark   March 7, 2011 at 4:59PM
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