[GreenKeys] Model 33 CR LF

[Hugh Pyle]

There are a couple different versions of the line-feed mechanism.  Can you
send a photo, or use these to identify which you have?

One of mine is a "late model", where the "upstop" plastic failed, and I
printed a replacement which seems to work well,
https://twitter.com/33asr/status/1217803879884169223

The "early model" hasn't failed for me, so I don't know what happens when
it goes wrong,
https://twitter.com/33asr/status/1217599558647209985

I do have a spare CR spring if you need it (mail me your contact details
off-list).

-Hugh


On Wed, Jun 29, 2022 at 11:39 AM Troy Peterson via GreenKeys <
greenkeys at mailman.qth.net> wrote:

> Hi All,
>
> Thanks to the replacement resistor for the tape reader from Wayne my
> Model 33 is now completely running. The keyboard, printer, tape reader,
> and punch all work and so does the current loop. Now I just have a
> couple of final minor issues that I'm hoping you guys can help with.
>
> Firstly, the line feed sometimes gets jammed... It's somewhat random,
> but the lever that pulls the cog down gets stuck after doing a line-feed
> and so subsequent LFs don't work unless I jiggle the platen knob to free
> it. This doesn't happen every time, only occasionally... I think I've
> just got to look at that mechanism and work through it, but as far as I
> can tell it's all freely moving and clean and properly lubricated...
> Just thought I'd check to see if anyone here has any specific
> suggestions to look out for.
>
> My other issue is with the carriage return. It's quite slow and doesn't
> completely return on it's own without some help... I opened up the air
> vent on the piston but that hasn't helped. Basically after a carriage
> return if I type a couple of characters the carriage works it's way back
> and re-engages but every time after a carriage return the first 3 or 4
> chars are overlapped on the page before the mechanism re-engages and
> moves correctly. I found that if I manually compress the carriage return
> spring a little bit to make it stronger then the problem seems to go
> away so I suspect my spring is somehow weak... Is there an adjustment
> for it? I haven't been able to find any... Are there any other
> suggestions, or do you think I need a new spring... in which case, does
> anyone have a spare?
>
> Thanks,
> Troy.
>
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