[R-390] Re: Topics to start (Y2K Supplement)

[Bruce Ussery]

To their credit, (probably not dictated by lawyers back then), the original 
manual makers included a high voltage warning on the first page or two of 
the R-390 and R-390A Maintenance Manuals. It seems to vary somewhat by 
version. My reprint of TM 11-5820-358-35 (R-390A, 8 December 1961) also 
added a radioactive tube warning:
"Before handling or disposing of defective voltage regulator tubes 0A2WA and 
0A2WB refer to TB SIG225, Radioactive Electron Tube Handling."  Anybody seen 
that manual?

And in TM 11-5820-357-35 (R-390, 9 March 1962), they even added a warning 
about selenium rectifier failures ("don't breath the poisionous fumes").

No such warnings for the 28V R-392, therefore I will continue to lick my 
fingers and poke around at will...

Bruce
WA4ZLK

----- Original Message ----- 
From: "W. Li" <wli98122 at yahoo.com>
To: <R-390 at mailman.qth.net>
Sent: Thursday, December 15, 2005 12:37 PM
Subject: [R-390] Re: Topics to start (Y2K Supplement)


> Guys:
>
> After mature reconsideration, I think that you are all
> correct in not including a treatise in high voltage
> safety in the Supplement. A bold-faced large-font
> disclaimer is sufficient for our purposes.
>
> There are already many salient safety issues addressed
> re 3-wire pwr cords and AC pwr filters under "pwr
> suppy" in "Pearls" for whomsoever trolls thru that
> section for inclusion in the Supplement.
>
> W. Li
>
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