[GreenKeys] M15 typebars...

[Pete Lancashire]

https://www.google.com/patents/US1608015 Mechanism for locating type plates
on type bars
https://www.google.com/patents/US2481081 Means for aligning type pallets
https://www.google.com/patents/US1890659 Type-soldering device



On Tue, May 5, 2015 at 11:10 AM, Jerry Murphy <gfmurphy at earthlink.net>
wrote:

> Teletype made the '116749 Type-Pallet Soldering Jig' for re-aligning
> typepallets on Model 15 page printers.
>
> Here's the basic information in a highly condensed version:
>
> To start the process, the type carriage is removed from the printer and
> the ribbon guide is then removed
> from the typebar guide.  The jig is a machined aluminum block which is
> placed over the typebar guide
> and locked in place.  A suitable typebar is selected to serve as the
> reference typebar.  Attached to the
> jig is an adjustable plate which the reference typebar will touch.  The
> adjustable plate is locked in place
> relative to the jig once the reference typebar is seated correctly against
> the adjustable plate.  The adjustable
> plate will set the height of the new typepallet and its tilt.  'Tilt'
> refers to the quality of having the typepallet
> strike the platen squarely rather than having the top darker than the
> bottom or vice-versa.  The pallet that
> is being replaced is removed from the typebar.  The new pallet is placed
> on the typebar and moved into
> the soldering jig.  The new pallet and the typebar are held against the
> adjustable plate by a spring loaded
> arm.  The pallet is carefully positioned relative to the jig and the
> typebar and then soldered into place.
>
> This information is from Teletype Spec. S-5588, Issue 1, dated December,
> 1947.
>
> I have seen the 116749 Type-Pallet Soldering Jig in the Teletype tool book
> but I was unable to find it in
> any of the on-line books that I looked at.  Sorry that I can't provide a
> picture of the device or a reference
> for a picture.
>
> Jerry Murphy
>
>
>
> -----Original Message-----
> From: Kenneth Gartland
> Sent: May 5, 2015 6:50 AM
> To: GreenKeys at mailman.qth.net
> Subject: [GreenKeys] M15 typebars...
>
> Hi all...
>
> Noticed posting on the M15 typebar problem, Reggie
> was working on...
>
> Jim is right...Re-positioning the type pallets
> is the only correct way to align the type...
> The typebars in question are probably
> the ones which were recently replaced, i.e. the
> NOS typebars provided by various GK'ers...
>
> Bending the typebars is never a good idea...It is slow & tedious to align
> the typepallets, but the only way...
>
> You need a fairly heavy duty soldering iron with a chisel face
> to heat & re-position the pallet...You mite have to reposition it a few
> times to get it rite.
>
> I used the print position of the letter "M" as my starting point...
>
> The rest of the typebars are probably OK, as they were
> the original ones in the basket.
>
> Be patient, and the results will be worth it...
>
> Cheers & good luck!
>
> Ken VE3-HMQ
>
>
>
>
>
>
>
>
> ______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
>
> 2002-to-present greenkeys archive:
> http://mailman.qth.net/pipermail/greenkeys/
> 1998-to-2001 greenkeys archive:
> http://mailman.qth.net/archive/greenkeys/greenkeys.html
> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
> http://comcents.com/tty/greenkeyssearch.html
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20150505/0afaac08/attachment.html>