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Wed, Feb 11, 09 at 18:07
| I just installed a new gear & sprocket assembly since the old drive gear was totally chewed up. The problem I'm having is that when I run the opener, the sprocket will make a clockwise cycle but will immediately do a counter-clockwise cycle in the same distance. I've done it without the chain and with the chain and it's the exact same thing either way. That is what happened initially before I changed the gear & sprocket assembly; the door was just opened 3/4 of the way and then wouldn't move at all (because of the chewed up drive gear). Now with the chain attached to the sprocket, the door moves a few inches up and then back down to where it started from. Nothing is obstructing the sensors because the lights don't blink when this happens and when I deliberately stepped into the sensor, the lights do blink. Any help/suggestions would be greatly appreciated. Thanks |
Follow-Up Postings:
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- Posted by don_1_2006 (My Page) on Thu, Feb 12, 09 at 16:57
| 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 none 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 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 try it. |
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| Thanks for the reply. I did everything you suggested before hooking everything up. Not sure what the problem is... |
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- Posted by don_1_2006 (My Page) on Fri, Feb 13, 09 at 16:53
| I would suggest you run through it one more time. |
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