[TowerTalk] Lubricating air variable capacitors

[ersmar@comcast.net]

Steve:

     These large variable caps have nuts on the front and back panels to hold the whole thing together.  I had trouble turning the shaft one one surplus cap at my station so I loosened the nut at the rear of the assembly a bit.  Worked like a charm.  

     You might try that before lubing the cap.

73 de
Gene Smar  AD3F



> I have recently acquired a used Johnson 153-6-1 air variable capacitor 
> for use in an antenna tuner. Looks to be in pretty good condition, but 
> it does not turn as freely as one would expect.
> 
> Is it likely that lubrication would free it up some?
> 
> Is it OK to lubricate this type of capacitor? With what? And where?
> 
> Thanks.
> 
> Steve K8JQ
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