craftsman garage door opener

king19March 13, 2011

I have a 2000 craftsman garage door opener that was not going up without help. I took it apart to find that the main plastic gear was stripped. I ordered and replaced it along with the rest of the gears and when i put it back together it will only trave 6 inches and then retracts the same distance. it does not flash like it would if there was a obstruction. The door had no problem before the gear stripped so if you can explain what I might have done wrong it would be great.

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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 14, 2011 at 4:26PM
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