[TenTec] maintenance on 238 roller?

[Ariel M. Elam]

Hi Clark -- I got the word on DeoxIT from the Drake Reflector some years
ago. It's expensive, but it works! Drakers abvised not to get it on the
fiber in rotary switches, only on the contacts. they said it would
dammage the Bakelite(?) or phenolic(?)! Anyhow, I believed them, did NOT
experiment, and have had NO problems. Good Luck.

73, Ariel, K4AAL

Clark Savage Turner wrote:
> 
> I just got a 238 tuner.  Had to do the dial string (naturally) and
> replace every pilot lamp, they were all blown.  Odd.  All working fine,
> though.  I went inside to touch up the switches with a tiny shot of
> DeOxit and noticed the roller pretty clean and shiny other than a little
> bit of tarnish.  Is there any standard maintenance anyone recommends on
> the roller?  I have shot DeOxit on some old tuner rollers that were not
> in good shape (as a last resort) but I don't want to gum this one up.
> Suggestions?
> 
> The other question, I use DeOxit DN5, and I understand that most service
> departments gave it up since it is a bit caustic to plastics...but I
> only heard that as a rumor.  Is this true, and if I have shot a bunch of
> it inside my rigs, any thoughts on what to do next?
> 
> Clark
> WA3JPG
> 
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