In a recent restoration project I noted that some of these in the RF
section, mainly on the three highest bands are intermittent. i.e. I tap on
one a few times and a previously dead band comes alive. It seems to last but
I'd sure like to clean these up. Can someone describe the construction? They
appear to be a slug (Made of a dielectric?) inside a ceramic tube with metal
end caps. Should I use deoxit around the screw and twist a bit? I'll
probably clean these in conjunction with an rf alignment.

Nice receiver BTW stable with great audio.


TIA Tony WA6LZH