[ARC5] Hewlett Packard Signal Generator HP-606B - Removing hex screws

[Leslie Smith]

Thanks to those who replied to my earlier posting about hex (or Allen)
wrenches.
I found that the size Allen key I need is referred to as #6 and is
7/64ths.
Half-way between 3/32 and 1/8th.

My problem now is much simpler - needing only a lathe to extend the
shaft of the (short) hex wrench I bought.

73

  Leslie Smith
  vk2bcu at operamail.com


On Thu, Mar 1, 2012, at 07:21 PM, Lloyd Godsey wrote:
> Possibly what you need is a BRISTOL wrench.
> Allen wrench with the mumps. Best I recall that's what was used.
> 
> Thanx
> Lloyd Godsey KK7IZ
> kk7iz at cox.net 
> 480-620-7145
> http://www.lloydsdipsydumpster.com/
> http://antiqueradioarchives.com/
> 
> 
> -----Original Message-----
> From: arc5-bounces at mailman.qth.net [mailto:arc5-bounces at mailman.qth.net]
> On
> Behalf Of Leslie Smith
> Sent: Thursday, March 01, 2012 5:29 PM
> To: ARC-5 List
> Subject: [ARC5] Hewlett Packard Signal Generator HP-606B - Removing
> screws
> 
> Hello Group,
> I have a 1960's vintage signal generator I wish to use to calibrate my
> ARC-5 "command" radios.
> The model:  HP-606B.
> 
> At the moment it's un-servicable or SNAFU.
> To get inside the RF cage I need a special tool (an allen key or hex
> key) on a long shaft.
> Normally this is supplied by HP, with the instrument, but alas ....
> 
> I am unable to find the correct size allan key.
> 1/8 is too big, and 3/32 is too small.
> 3 mm is too big and 2.5 mm is too small.
> Beyond that I WILL need the correct size on an extended shaft (may have
> to
> drill & silver solder a shorter key onto an extension).
> 
> Perhaps it's 2.54mm or 0.100 inches?
> Help!  <-   almost begging!
> 
> 73
> 
> --
>   Leslie Smith
>   vk2bcu at operamail.com
> 
> 
> On Thu, Mar 1, 2012, at 06:55 PM, Mike Hanz wrote:
> > On 3/1/2012 6:04 PM, J. Forster wrote:
> > > I got some tools wet inadvertantly and they rusted some. I remembered
> that
> > > lemon juice could be used to remove surface rust, so I tried it on a
> mill
> > > file. And, it works !!
> > >
> > > Practically speaking, I put the file in a ZipLok bag and added some Real
> > > Lemon and let it sit overnight. It looks like new! It does give off a
> > > kinda funky smell though.
> > 
> > It does indeed work, John.  But if you want to see the array of opinions 
> > on the matter, try 
> >
> http://www.practicalmachinist.com/vb/general/sharpening-files-anybody-done-2
> 31799/
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