[Milsurplus] BC-611 PTT help

[Mark K3MSB]

Hi Gene

I had this issue on one of the 611s I'm working on.   I found one of the
switch contacts was bent too far.   I **VERY** gently pried up the leading
edge of the offending contact and that solved the problem.

73 Mark K3MSB

On Wed, May 20, 2020 at 8:41 PM Gene Smar via Milsurplus <
milsurplus at mailman.qth.net> wrote:

> Gents:
>
>      I have a pair of -611s that I intend to bring to various demos such as
> MRCA, RCA (the Club, not the Company), Ham club meetings, etc.  My latest
> acquisition is a 1945 Galvin model F and it seems to work just fine.  The
> other is made by Nippon Electric in 1953 but its PTT switch operates very
> sluggishly.  That is, it requires quite a bit of force to get it to move
> from RX to TX.  I removed this -611's PTT switch assembly and cleaned it
> quite a bit with dry polishing.  It's still tough to operate.
>
>      Have you any suggestions on how I might be able to free up the
> movement
> of this switch?  I don't want to exhibit it in front of an audience when
> they won't be able to operate it easily.  Would contact cleaner on the 14
> switch poles be advisable?
>
>      Thanks for any guidance you can provide.
>
> 73 de
> Gene Smar  AD3F
>
>
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