[GreenKeys] Trying again

[David Wade]

On 25/09/2026 12:16, hwhall--- via GreenKeys wrote:
> I'm going to assume the equipment was not recently working before it 
> came to you. In which case...
>
> You should first clean, test & get the Rectifier supply working right. 
> It may need a restoration (parts replacements, cable replacements).

Wayne,
The TU170 has a modern loop supply. I would suggest starting with that 
rather than the RA-87 with its selenium rectifier. I think this might be 
the only unusable piece of kit
Dave

> Then go to work on the TG-7. Clean out the crud. Perform the manual's 
> lubrication points. Check the magnet coil for continuity. Then try 
> setting it up with the Rectifier supply for loop current & try running 
> the TG-7 to see if keyboard inputs are correctly printed. Only then 
> should you worry about any other stuff like getting it on the air for 
> RTTY.
>
> Above all, read the manual's longwinded descriptions of how all the 
> components work to produce printing. Identify all the parts mentioned 
> by looking at the machine, too.
>
> Wayne
> WB4OGM
>
> On Thursday, September 24, 2026 at 05:12:22 PM MDT, Keith Wood 
> <kw6 at bigwtv.com> wrote:
>
>
>     It's been two weeks since my post asking for help.  I did get a good
>     response, but not actual answers to my questions, so I'm going to
>     try again:
>
>
>     I have a TG-7-B TTY.
>
>     I have a TG-26-A Reperforator (without the cover).
>
>     I have a TG-26-B Reperforator (apparently complete).
>
>     I have a Rectifier RA-87.
>
>     I have a Flesher TU-170 RTTY Terminal Unit.
>
>     I have the manuals for the above, except the TG-26-B.
>
>     I THINK I have the cables for the above.  All but the TU are in
>     chests,
>     and apparently came from Army MARS.  I got the TU from Fleabay.
>
>     What I need is some advice and guidance for getting this stuff up and
>     working.  I want to use it with a Yaesu FTDX5000, so will build the
>     appropriate cable.
>
>     1) To just get the RTTY up, do I need anything other than the TTY, TU
>     and cables to/from TTY, TU and radio?
>
>     2) I believe that the TTY is 115VAC, and the selector switch just sets
>     cycles.  So I can plug in and go? Does anyone know the amps this uses?
>     I'm not finding that in the manual.
>
>     3) I'm seeing conflicting (or at least conFUSing) info regarding power
>     for the Reperforators.  The manual says that "governed series motors"
>     run on either 105-125VAC or 105-125VDC.  Then it says that the "jack
>     box" needs 105-115VDC.  I THINK that means that I need to plug the
>     Rectifier into 105-125VAC, then the Reperforator to the Rectifier.  Or
>     do I even need the jack box?  I see that it connects to line units,
>     which I don't have and apparently don't need.
>
>     4) The manual I have only covers the TG-26-A.  Is there anything
>     different about the TG-26-B that I need to know about?
>
>     Thanks,
>     Keith KA7EKW
>
>
>
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