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Door opener jammed
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Posted by
markb3 (
My Page) on
Thu, Jan 24, 08 at 12:30
| I have a Sears Craftsman 1/2 HP garage door opener (41A4315-6C) that has stoped half way up. I disconnected the door from the trolley, but can't get the trolley to move. when I push the button (from the wall or remote) the motor hums, reverses, then hums again.I checked the chain and trolley and nothing seems to be blocking it.Any suggestions? Thanks. |
Follow-Up Postings:
RE: Door opener jammed
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| Take the cover off the motor unit and look at the drive gear. It is a white nylon gear on the motor shaft. Could be stripped. Also check the T-rail. Make sure it is tight and properly aligned where the two sections meet. |
RE: Door opener jammed
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| I guess I was still at the golf course when I replied earlier. The drive gear is not on the motor shaft. It is driven by a gear that is on the shaft. |
RE: Door opener jammed
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| Your right, the drive gear is stripped. Can I get the gear out without taking the opener apart. |
RE: Door opener jammed
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| Mark I bumped up a post I posted a while back with instructions on how to replace the drive gear. It is not that hard. |
RE: Door opener jammed
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| Looks easy enough. I'll give it a try. Thanks for your help. |
RE: Door opener jammed
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| FIXED!!! Your right, it wasn't that hard. Driving out the roll pin was the hardest part. Thanks again for your help. |
RE: Door opener jammed
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| I've just finished replacing the drive gear and worm gear on a Sears/Craftsman garage door opener. Now when I activate the motor it runs for a few seconds, reverses and runs for a few more, then stops. I don't have the chain hooked up to it, so its got nothing to do with the door or chain. I have even tried this suggest from another thread but it stil didn't work. "When your replaced the worm gear you may have not pushed the shaft on the motor all the way back. Pull that black cup off the end of the shaft, loosen the coupler. Where the shaft pokes out the front of the motor, push it back as far as it will go. While holding the shaft tighten the coupler back up and put the black cup back on see if that does it." Could anyone help? |
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