[GreenKeys] Model 19 gears

[Duncan Brown]

Kevin,

Even if your machine is set up with 66 WPM (TELEX) gears, you should 
still be able to copy 60 WPM ITTY with it (though the RANGE adjustment 
will not be centered).

So you may have some other problem.  Have you given it a good 
lubrication?  how long have you run it?  Sometimes an old machine needs 
to run a while to get everything loosened up again.

The keyboard connections are separate from the selector magnet (RX), you 
need them to both be in series with a good 100V, 60ma current loop.  
There also may be a switch on the front that disables (shorts out) the 
keyboard, so check that out.

To check the ITTY/Europe channel, you need a FSK converter like a 
Dovetron that will tune to the European tones.


Good luck & have fun,

Duncan
K2OEQ

On 24-Jul-18 18:16, Kevin H. Phillips wrote:
> I have a Western Union Model 19 set that has been sitting around for 
> 3-4 years and I finally had some time to tinker with it.  The table is 
> a model 7904-A.  It looks similar to this item on eBay except it has 
> no reperforator or call unit and is in *much* better condition:  
> https://tinyurl.com/y82xlg9r  (Item No. 323223096071).
>
>
> My main question right now is does someone have a list of the various 
> gears available?  The parts manual I have that is supposed to have a 
> gear chart is missing that one page (naturally).
>
>
> The pinion gear on the motor appears to be #74919LS.  I can't see the 
> numbers on the gear on the main shaft.  I've tried copying ITTY with 
> it but it just types gibberish mostly so I'm guessing this was either 
> a Telex machine (like the one on eBay) or it was set up for some other 
> speed than 60wpm.  It also seems to have been set for receive only 
> because I can't get keyboard functions to work.
>
>
> If this machine was used in Telex operation, then I guess the next 
> question would be if it could be used with i-Telex like it is?
>
>
> Thanks,
>
> Kevin
>
> W5TTY
>
>
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