[R-390] IF deck caps

[Bob Camp]

I suspect you might also want to keep away from them with the end of your
cigar :)

    Take Care!

        Bob Camp
        KB8TQ

----- Original Message -----
From: "Joe Foley" <redmenaced@yahoo.com>
To: <r-390@mailman.qth.net>
Sent: Saturday, January 04, 2003 10:33 PM
Subject: Re: [R-390] IF deck caps


> Nah, he's talking about the yellow plastic ones in the
> '67 EAC's, they're good caps, as caps go, just don't
> get too close with the soldering iron!
>
> Joe
>
>
>
>
> --- blw <ba.williams@charter.net> wrote:
> >
> > > I know the failure rate of Black and Brown
> > Beauties, but do the yellow
> > > Aerovox jobs suffer a high failure rate too? I ask
> > because I just (groan)
> > > looked at the nearly 20 of them packed into the
> > underside of this Teledyne
> > > IF deck that will require replacement if ALL the
> > paper caps must be changed
> > > out. Some of them are pretty well buried. My other
> > 390A, which was gone over
> > > prior to my purchase by a fairly well known
> > rebuilder, had only C-553 and
> > > the BBOD's replaced, all the original yellow
> > Aerovox's were left in. Was
> > > this a bad move on the restorer's part? That
> > particular radio has worked
> > > like a champ for 3 years now.
> > > Jerry W5KP
> >
> >
> > Jerry,
> >
> > Are you talking about wax covered paper caps?
> >
> > If so, these have to go. They leak badly. These are
> > good candidates for
> > reforming as you bring a variac up slowly, but you
> > will probably find a high
> > number of them out of tolerance. These get pinhole
> > leaks in the foil
> > innards. You reform them by bring up the voltage
> > slowly and the holes get
> > filled again. But, you can guess the probability of
> > failures soon with that
> > many of them in there.
> >
> > Pull those wax covered paper caps out carefully and
> > put them up for sale on
> > ebay. Advertise them as excellent dummy caps for the
> > *L@@K* crowd who cover
> > modern caps with the shells of old ones to make it
> > look *ORIGINAL*. Don't
> > laugh, a lot of people do this. I was just reading
> > an old article about a
> > guy who forms his own square molds for the old type
> > resistor look.
> >
> >
> > Barry
> >
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>
>
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