[GreenKeys] Armature lock

[Ed Sharpe]

front bell is in place of one of the other bells and I think is paper out a margin bell for line length

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On Friday, November 25, 2016 John Nagle <nagle at animats.com> wrote:
On 11/25/2016 09:54 AM, greenkeys-request at mailman.qth.net wrote:
> Message: 7 Date: Thu, 24 Nov 2016 23:11:58 -0500 From: Ed Sharpe
> <couryhouse at aol.com> Subject: Re: [GreenKeys] Western Union 2B Parts
> Needed
>
> weird thing. the lever is referred.. to as an armature lock in John
> Nagle's...parts book... is it for locking letters only or figs
> only.

The "armature lock" mentioned in the parts book is part of the
selector. See page 4 of Bulletin 1028, right column.

http://www.aetherltd.com/public/model14manuals/1028B-Iss2-Feb36.pdf

Also see, on the next page, that there are two different cam sleeve
options, one with an extra cam track for the armature lock.

The armature lock is a cam-driven mechanism which locks the
armature in place after it has received one bit of MARK or SPACE.
If you've worked on a selector, you know that for parts of
the cycle, the armature won't move. That's the armature lock.
I didn't know there were machines without an armature lock,
but apparently there were early Model 14 machines without it.
All Model 15 machines, as far as I know, have it.

That has nothing to do with LTRS/FIGS. Bulletin 1028
from 1936 doesn't seem to show the front-mounted bell option,
whatever that bell does. There are normally two bells
on a Model 14 - one for BELL, and one for out of tape.
The second one is mounted on the base near the right rear.

Many of the manual files at

http://www.aetherltd.com/manuals.html

are from Jim Haynes; soma are from Bitsavers. Recently, I resized some
of the Model 14 files that were displaying as tiny pages. All the .PDF
files should now be properly sized and printable on letter sized paper.

				John Nagle




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