[GreenKeys] Model 19 Peforator Problem

John, W9DDD w9ddd at tapr.org
Tue Aug 24 15:38:39 EDT 2021


Interesting problem.  I don't have a good suggestion.  The pattern is 
interesting since the star wheel has 12 notches, not eight.  There are 
two versions in this area according to the parts book. ("Units having 
the feed pawl attached to the armature lever" and "units NOT having the 
feed pawl attached to the armature lever"

I had a problem with a TD not pulling tape consistently.  I didn't mess 
with it long enough to see if there was a repeating pattern, but I did 
notice that the feed pawl wasn't always returning far enough to drop 
into the next notch. Lubrication seemed to solve the problem.  The TD 
has sat for over a month, so it will be interesting to see if the 
problem returns when I fire it up again.  (I dearly hope not)

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The above comments or recommendations are SWAG. Use at your own risk.
John, W9DDD

On 8/24/2021 1:22 PM, William Wuttke wrote:
> I'm at the last step of my TT-7/FG restoration and after finding every
> problem imaginable in the punch circuitry and mechanism, I still have a
> strange problem. The punch spacing is correct for 8 punches, then spaces
> what looks like only a partial space and punches the next punch. This repeats.
> See attached photo.
> 
> Does anyone have any suggestions?
> 
> Thanks,
> Bill
> KE3BK
> 
> 
> 
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