[GreenKeys] Model 19 gears

Tue Jul 24 20:04:48 EDT 2018

I have the 66 wpm ITTY channel up now just waiting for something to come 
across.  (Is it operational?)

I've done some lubricating on the machine.  It was in good shape when I 
got it (no rust or much dirt).  I removed the typing unit and sprayed it 
down well with some WD40 "Penetrant" spray then have oiled the obvious 
places.  I'm not sure if that stuff is just the same as regular WD40 or 
something else.  I've run it quite a bit open but haven't run it too 
much on the loop since the keyboard isn't connected to the loop.  This 
machine doesn't have the switches on the front like some do, doesn't 
have an answerback mechanism, etc.

I have it connected to the loop current out of a HAL ST-6000.  I measure 
it at about 188vdc so it's pretty high.  I'll have to look up a diagram 
for the terminal strips to find out where the keyboard connections are.  
This one only has one long strip (or, two shorter ones side by side).  I 
have another 19 that has a third strip situated above the lower ones so 
this one is different.

Yeah, I need to check the range on it.  I messed with that a little bit 
earlier so probably got it out of whack.

Henning probably speaks weller English than I sprach gut Deutsch.

On 7/24/2018 6:44 PM, Duncan Brown wrote:
> 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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