[GreenKeys] Model 15 ribbon mechanics

[Harold Hallikainen]

On Tue, January 18, 2022 5:51 am, steve bennett wrote:
>  Harold,
> Â  There is a good chance I have the photo you are looking for.I took a
> lot of photos when I took my M15 apart and it is still apartso if I do not
> have a photo I cam probably take one.
> See attached.
>
>     On Monday, January 17, 2022, 09:26:06 PM EST, Harold Hallikainen via
> GreenKeys <greenkeys at mailman.qth.net> wrote:
>
>  I had a pullbar spring break on my model 15 today. I've pulled it apart
> and see also that the ribbon oscillator lever that goes down to the
> pullbar pawl is broken. It's not clear in the parts list which part this
> is. I THINK it is the extension (part number 74726 at
> https://navy-radio.com/manuals/tty/jh/ttyman1/TeletypeManuals/model15/1037B-Iss6.pdf#page=31
> ). Does that look correct?
>
> Also, the ribbon lockout described at
> https://www.bitsavers.org/communications/teletype/15/144_Model15_Descr_Feb31.pdf#page=23
> (keeping the ribbon oscillator from raising the ribbon if you are typing
> stencils!) is a floating part that easily falls out.
>
> The ribbon lockout bar with its detent spring are shown at
> http://bitsavers.org/communications/teletype/15/138_Model15_Adj_Oct41.pdf#page=85
> . But, it's difficult to figure out where this goes. Does anyone have a
> photograph or better explanation as to where the ribbon lockout bar goes?
> Also, I assume the ribbon lockout is manually activated, so there has to
> be a control that can be reached somewhere. Where is that?
>
> THANKS!
>
> Harold
> https://w6iwi.org
>
>
>
>
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