[GreenKeys] M-15... Auto Line Feed After every printed character

Sun Jul 27 16:40:18 EDT 2025

SUCCESS!!!! The 15 is typing as it should. To recap the LF push bar was not
FULLY down in the idle position. It moved up and down so I thought all was
okay. The two wires going to the magnets were jammed up into the unit
preventing the LF push bar from fully going down in the idle position. So
the function bail was just barely  grabbing the LF push bar on each cycle.
Moved the two wires and all is good.
Thanks to everyone that provided input.... Especially Wane WB4OGM.

John
WA4KWK

On Thu, Jul 24, 2025 at 9:34 PM hwhall at aol.com <hwhall at compuserve.com>
wrote:

> The LF Push Bar gets moved by the end of the Function Bail. Normally,
> unless a LF signal has been decoded, the Function Bail should not be able
> to touch the LF Push Bar (close, but not quite).
>
> Manually verify that the LF Push Bar can wiggle up & down - it may be
> jammed a little so that the spring can't pull it far enough down & clear of
> the Bail.
>
> The tail piece ("Extension") of the LF Function Lever may have gotten bent
> during the move, so that it is holding the LF Push Bar just a bit too high
> even when the LF function has not been detected.
>
> Can you figure out how to set up the vanes for a LF function? If you can,
> that should let the LF Function Lever rotate & then you can see if it's
> raising & lowering the LF Push Bar.
>
> Attached is a video clip (MP4) showing the LF Function Lever
> extension/tail-piece moving the LF Push Bar up & down. In the upward
> position, it would be caught by the Function Bail & pushed backwards (thus
> initiating the LF at the platen).
>
> Wayne
> WB4OGM
>
> On Thursday, July 24, 2025 at 03:11:11 PM MDT, john WA4KWK <
> wa4kwk at gmail.com> wrote:
>
> Wayne thank you so much for your efforts. The spring is there.... looks
> intact. Rotating the motor by hand.. the platen does a LF each cycle. Hard
> to see but the LF Push Bar moves cleanly each cycle.
> Not sure what to do next. But I will continue.
>
> Thanks again,
> John
> WA4KWK
>
> On Wed, Jul 23, 2025 at 7:36 PM hwhall at aol.com <hwhall at compuserve.com>
> wrote:
> > Took some pics of the LF Push Bar, LF Push Bar Spring & LF Bail. The
> spring never showed in the usual drawings because it would've been behind
> the LF Bail, I guess. It's indicated in the attached photo by a round green
> dot.
> >
> > When the Vanes encode for a LF, the LF Function Lever can rotate forward
> (toward typist) on a pivot near its lower-front end. That causes the LF
> Function Lever Extenstion (a sort of tail piece) to rotate upwards, lifting
> the LF Push Bar so that the step on its upper edge can be caught by the
> Function Bail, initiating the LF movements. For some reason, TBD by
> inspection, the LF Push Bar is sitting too high when characters are being
> printed - the same bail rotation that moves the typing bars is shoving the
> LF Push Bar when it shouldn't be.
> >
> > I also have a short video of the LF Function Lever rotating & operating
> the LF Push Bar if necessary.
> >
> > Wayne
> > WB4OGM
> >
> >
> > On Tuesday, July 22, 2025 at 04:56:20 PM MDT, john WA4KWK <
> wa4kwk at gmail.com> wrote:
> >
> > I can not find the 'Line Feed Push Bar Spring' anywhere. Not on the
> drawing or unit. Where is it located please?
> >
> > John
> >
> > WA4KWK
> >
> > On Sun, Jul 20, 2025 at 8:36 PM E. <hanyou at xsmail.com> wrote:
> >>
> >> Aaaaah, this is it — thanks for reminding me!  The same thing happened
> to me in the early days of my M15 year ago and I for the life of me could
> not remember what the solution was… it ended up being this!  Some of those
> springs are so small — if they happen to pop off while working on it,
> you’ll never know.  I ended up finding that spring on the floor, but prior
> to that, the same thing inflicted my 15/19 for a time (LF after each
> character).
> >>
> >>
> >>> On Jul 20, 2025, at 2:34 PM, hwhall--- via GreenKeys <
> greenkeys at mailman.qth.net> wrote:
> >>>
> >>> Harold's links to the adjustments confirms there should be a Line Feed
> Push Bar Spring to help position the bar. Even though some of the Teletype
> Corp drawings like I sent don't clearly show it. Perhaps that's broken or
> lost.
> >>>
> >>> Wayne
> >>> WB4OGM
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