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Replacement of the rotor gear in a Sankyo sealed can motor

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    #16
    Thanks Johan,
    Yes it was really a chock after all the work with the gear. I had tested the coil recently, a screwdriver caused a humming noise (that effect is used for the alarm). Now there was nothing, and I could not detect any connection problems from the plug to the transformer. I live in Sweden which means 220V, 50Hz if anyone has a spare or ideas. I think it is very expensive to have the coil rewound, at least professionally.
    Best regards Jonas

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      #17
      Hello,
      I have given this some thought and am thinking of trying to find another motor. I therefore wonder if anyone knows the number of revolutions per minute that the motor produces? It seems to be about six r/m when studying he mechanism, but I am not sure.

      Best regards Jonas

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        #18
        If you can upload some specific photos of the coil, perhaps also with some dimensions, I can have a look for you once I get home (next week). I do have some Sankyo clocks for spares, there might be a working coil (220v/50hz) there which would fit your clock.

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          #19
          Thanks, that sounds promising. I enclose some pictures, two with a ruler in cmPlease let me know if you want some more accurate/specific measures.
          Best regards
          Jonas
          Click image for larger version

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          Attached Files

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            #20
            Sorry, the same picture appears twice. I enclose the missing picture here.

            Best regards
            Jonas

            Click image for larger version

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