[R-390] bracket

Larry H larry41gm at gmail.com
Tue Jul 13 07:51:35 EDT 2021


Gary, Thanks for finding these drawings and attaching them.  That answers
all my questions, except why not a #2 with  3/16" shaft?  But, I couldn't
find one.  Most of the screws are #2.

Regards, Larry

On Mon, Jul 12, 2021 at 9:07 AM <gary.biasini at shaw.ca> wrote:

> I found the wrench and wrench assembly drawings for the Bristo Spline. They
> are attached.
>
> Anyone have a hankering to make a bunch of these?
>
> Regards,
> Gary
>
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net> On
> Behalf Of gary.biasini at shaw.ca
> Sent: July 12, 2021 9:43 AM
> To: Gary Biasini <gary.biasini at shaw.ca>
> Cc: 'Collins R-390 HF Receiver List' <r-390 at mailman.qth.net>
> Subject: Re: [R-390] bracket
>
> Hopefully, the attached image will come through.  It is from the R-390A
> drawing set and confirms that the originally specified screwdriver was a
> Vaco P18 #1.
>
> I thought I would look it up because I tried a #2 as Larry suggested and
> thought it fit better than a #1, at least on the captive screws, although I
> have had no problems with the #1.
>
> Regards,
>
> Gary
>
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net> On
> Behalf Of Barry
> Sent: July 12, 2021 9:29 AM
> To: Gary Biasini <gary.biasini at shaw.ca>
> Cc: Collins R-390 HF Receiver List <r-390 at mailman.qth.net>
> Subject: Re: [R-390] bracket
>
> I prefer my XCELITE 99-66.  The extra long blade is very handy (although it
> may not be as easily stored on the back of an R390 as the original).
>
> Thanks,
> Barry - N4BUQ
>
> ----- Original Message -----
> > From: "gary biasini" <gary.biasini at shaw.ca>
> > To: n4buq at knology.net
> > Cc: "Collins R-390 HF Receiver List" <r-390 at mailman.qth.net>
> > Sent: Monday, July 12, 2021 10:03:34 AM
> > Subject: Re: [R-390] bracket
> >
> > Kevin and all,
> >
> > I believe that the screwdriver is a Vaco (now Klein Tools) P18.  I
> > ordered several a few months ago and they are identical to the
> > original screwdriver that I was fortunate enough to get with one radio
> > except that the handle on the new one is stamped with "Vaco P18
> > U.S.A." whereas the original is stamped with "Vaco P18" on one side
> > and
> "Collins Co." on the other side.
> > Here is the link to the same place that I purchased the P18:
> >
> > https://www.amazon.com/Profilated-Screwdriver-Klein-Tools-P18/dp/B0000
> > BYEPU/
> > ref=sr_1_1?dchild=1&keywords=klein+tools+p18&qid=1626101782&sr=8-1
> >
> > As for the spline wrench, I agree with Larry's comments.  If I had any
> > machining skills, I would take the one you can buy now, either
> > straighten into a straight shaft or cut off at the bend and fashion as
> > handle like the original.
> >
> > Good luck!
> >
> > Gary
> >
> > -----Original Message-----
> > From: r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net> On
> > Behalf Of Larry H
> > Sent: July 12, 2021 4:27 AM
> > To: Gary Biasini <gary.biasini at shaw.ca>
> > Cc: Collins R-390 HF Receiver List <r-390 at mailman.qth.net>
> > Subject: Re: [R-390] bracket
> >
> > My apologies, I am wrong about the phillips screwdriver size.  It's a
> > #2, not 1.  I know why I went down that path - I tried many #2
> > phillips on the left rear RF deck green hold down screw, and the
> > shafts were all too big in diameter.  The maximum shaft diameter that
> > will work is 5/32".  I couldn't find a #2 with a 6" long by 5/32"
> > diameter shaft, so got a #1 and very carefully use it.
> >
> > Also, the Bristol spline wrench is specified as 7 3/4" long in the
> > parts list.  Although the 3 1/4" one I use works fine, the longer one
> > would be easier to use in some cases.
> >
> > Sorry for the confusion.
> >
> > Regards, Larry
> >
> > On Sun, Jul 11, 2021 at 7:46 PM Larry H <larry41gm at gmail.com> wrote:
> >
> > > Hi Kevin,   The Phillips head screwdriver is a #1 and 6" long shaft.
> I
> > > got a nice one at Lowe's for a reasonable price.  Don't settle for a
> > > cheaply made one..
> > >
> > > The spline wrench is a .096 inch diameter, 6 spline by 3 inches
> > > long, L shaped.  Kits are easy to find with it in there, but you can
> > > also find them individually.
> > >
> > > The mounting bracket on the back of the rx is not usually found
> > > separately.  They are a part of the back panel.
> > >
> > > Regards, Larry
> > >
> > > On Sun, Jul 11, 2021 at 1:39 PM Kevin Page <kf4znl at live.com> wrote:
> > >
> > >> Looking for the fluted socket wrench, screwdriver and mount that
> > >> holds them to the panel of my 390a receiver. Thanks for any
> > >> guidance
> > >>
> > >> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for
> > >> Windows 10
> > >>
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