Reply To: Johnson A 35 mag plate, pitch?

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February 19, 2020 at 3:40 pm #195403
nabmd
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    I believe the blacky tarry stuff was used to insulate the coil from the mag plate. I too cleaned it all off, only to be told later why it was there. I put down ‘Liquid insulation’ over the whole cavity area and my A-25 is working well. NABMD