[GreenKeys] 28KSR - AN/UCG-47 wiring

John, W9DDD w9ddd at tapr.org
Sat Aug 3 19:14:57 EDT 2019


Tom, this looks like it has the 40 terminal version of the C strip. 
This is why I was asking John about version of 47.  Plain 47A or B would 
also have had a different cabinet style in addition to the 30 terminal 
version of the C strip.

Oh, John I just noticed you said UCG-47, not TT-47, so that probably 
explains the lack of a suffix and the newer cabinet, low lever signaling 
and all that.

John, W9DDD

Ich habe dreimal abgeschnitten uns jetzt zu kurtz. (I cut it off 3 times 
and it's still too short.)

On 8/3/2019 5:56 PM, Thomas Tillson via GreenKeys wrote:
> *Hi John:*
> 
> *According to NAVSHIPS 91713, the outside loop gets connected on the "C" 
> board (TB751) with the POS + on terminal 5 and the NEG - on terminal 10.*
> 
> *AC power should be 29 and 30. Hot is 30.*
> 
> *Tom WB2TTY*
> 
> 
> In a message dated 8/3/2019 5:59:45 PM Eastern Standard Time, 
> john at tubetestingpros.com writes:
> 
> 
> Greetings GreenKeys!
> 
> 
> I'm starting work on the Mod 28 - it's an AN/UGC-47  Navy unit and was
> overhauled in '88, then surplussed, went to a friend, came back to me,
> and now I'll get the old girl printing once again.
> 
> 
> So I have a Newby Question:  Where are the outside-world connections in
> this unit?  I've plowed (am plowing) thru the various manuals on-line,
> and I know the terminal blocks are in the upper rear of the cabinet
> under the cover in the 'standard' mod 28 - but in mine of course there
> is no LESU up there, and a lot of Stuff in the pedestal including what
> looks like two junction boxes near the base.
> 
> 
> So far everything seems free and clear when testing the machine by hand,
> the felts are still oily and there is no binding or drag.
> 
> 
> I've enclosed a couple of photos for better reference....
> 
> 
> Thanks in advance for any help!
> 
> 
> Cheers
> 
> John KB6SCO
> 
> Carson City NV
> 
> 
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