Reply To: 1924 2hp BNL Johnson runs rough

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October 14, 2024 at 1:45 pm #291490
JOSEPH BRINCAT
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    Lots of good suggestions here for sure. I too am inclined to think something electrical. My default “gremlin” is always the capacitor. I read that you had already changed the cap.  Are you sure that the new one is really good? If it is an old style paper and foil cap they do age out. Do you have a way to stress test the cap? .. a tester that applies significant voltage, something upwards of 100 volt?  Can you source a modern mylar capacitor about .22  to .4 mf range? Try that.

    Joe B

    PS, other thought… points bouncing  from weak spring?