[GreenKeys] 28ASR typing unit issue

[Nick England]

The tab is used to disable remotely operated print enable.
An option provides a solenoidt to operate the suppression code bar and
the tab will go into place to disable the magnet's operation. So put
the tab in place and forget about it.....

Nick England K4NYW
Chapel Hill NC
www.navy-radio.com

On Sun, Apr 12, 2026 at 4:51 PM Ken LoCasale via GreenKeys
<greenkeys at mailman.qth.net> wrote:
>
> Gang,
>
> Referencing the attached pics, I ran across a mechanical problem with my
> 28asr typing unit, that the code bars were changing with the data, but
> the main shaft clutch was not engaging rendering the type box
> inoperative. Upon inspection on the left side of the typing unit I found
> a loose screw that retaining a small flimsy tab that engages the left
> end of the top code bar, the "suppression code bar". The tab had lifted
> out of the small slot at the end of the suppression code bar, allowing
> it to move to the left disengaging a lever that permits the clutch to
> engage on the main clutch below. All is working now, but I'm at a loss
> for the purpose of this tab. Is it some kind of maintenance link? I have
> not found any reference to it in my manuals. Any thoughts are welcome.
>
> Thanks in advance,
>
> ken
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