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  #48171 Posted 9 Months, 2 Weeks ago
diy0846
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graphgraph
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I have recently replaced gear and sprocket set on Craftsman 1/2 hp garage door opener. For some reason, even with chain (on top sprocket that connects to door) and limit gear and assembly disconnected, still only travels about 3 seconds in each direction. Tried by reconnecting all, applying correct tension, etc, and still doesn't work. Something in limiting gear, but I can't tell what. Any thoughts?
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