[Test-Equipment] General Radio 1001-A S/G inductor problem

[~DA~]

Ok, bear with me as you're going to find out how green
I am with these.

I'm starting to understand this a bit. The TO-44
adjuster tool that's stored in the cabinet is used to
adjust these inductor cores for frequency calibration.
There is also an adjustment port on the out side to
put this TO-44 through that I just discovered and read
about. So basically I'm going to need to recalibrate
this unit and now I'm wondering how the core is
adjustable if there isn't any spring in there to push
it up. One can only adjust down.

Thanks again,

Doug



--- ~DA~ <iluznst at yahoo.com> wrote:

> Howdy all,
> 
> Hopefully someone can help me on this as I might
> have
> gotten in over my head, but I'm here now so on with
> the show!
> 
> The S/G was acting erratic on higher frequencies. I
> went to clean the contacts inside the RF deck and I
> squirting DeOxit in there to get the contacts
> cleaned
> up and while I was working the frequency range
> selector and two "bushings" things fell out with a
> fiber nut on the eend of one of them. These items
> are
> inside the inductors. I had to pull the whole RF
> deck
> out to get them back on. 
> 
> My question is, I tightened it down the whole way
> and
> thought I would check the others. I found another
> loose one realized that maybe they are tunable?
> These
> are NOT the pads and I can't find anything in the
> manual talking about tuning the INSIDE of the
> inductor. If they were tunable then bushing would
> slide around inside the tube and wouldn't be
> accurate
> would it?
> 
> This has me a little stressed out as I'm new at this
> and this S/G was pretty well calibrated.
> 
> Thanks,
> 
> Doug
> 
> 
>        
>
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