Hi Gang, Thanks for all the replies to my past message, but at this point in time, I'm even more dumbfounded than ever. So far I have cleaned, and oiled the mechanical parts, installed a ground strap on the PTO, resoldered all the ground wires inside. everything is free, and working as it should. Also, I drilled another hole in the cover to stretch that angled spring giving more tension. No avail, now I think it must be an electronic problem, as sometimes, when I try to tune a station, it warbles, sometimes while I am just listening hands off. vibration doesn't seem to change anything. Someone emailed me suggesting the zenner diode could be the culprit. I always thought most solid state devices either work, or don't work. Is it possible that's the problem, or could it be somewhere else outside the PTO? Thanks for reading this....................Tom, WD8JPP
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