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70793Re: [TYPEWRITERS] advancing issue on an Underwood #5 201931

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  • Richard Knoppow
    Dec 11, 2017
      On 12/11/2017 6:50 PM, Robert Simons simons-r@...
      [TYPEWRITERS] wrote:
      >
      >
      > Thanks for the correction on platen and carriage. I have the Military
      > book, downloaded it yesterday and separated the Underwood sections and
      > pictures. I will have a look at the Xavier document. I just went to it
      > and the written part may be some help, the plate 5 would be so much more
      > useful if it were from the other side.
      >
      > Thanks for the quick responses.
      >
      > Rob Simos
      >
      > Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
      > Windows 10
      >
      > *From: *Richard Knoppow 1oldlens1@... [TYPEWRITERS]
      > <mailto:TYPEWRITERS@yahoogroups.com>
      > *Sent: *Monday, December 11, 2017 6:51 PM
      > *To: *TYPEWRITERS@yahoogroups.com <mailto:TYPEWRITERS@yahoogroups.com>
      > *Subject: *Re: [TYPEWRITERS] advancing issue on an Underwood #5 201931
      >
      >      Check
      >
      > http://site.xavier.edu/polt/typewriters/tw-manuals.html
      >
      >    There are a number of typewriter repair manuals there. The No. 5 was
      >
      > an extremely popular machine and was made for decades. There is pretty
      >
      > complete information about them on this site. I don't know what has
      >
      > happened to your machine but its not difficult to take the carriage off.
      >
      >     The "platen" is the rubber roller that supports the paper. It is
      >
      > held in a mechanism called the "carriage" which is what moves back and
      >
      > forth. On the No.5 the carriage has two parts, one of which is used to
      >
      > move the paper up and down for shifting. The drawings in the repair
      >
      > manuals will help to clarify the assembly.
      >
      > On 12/11/2017 3:23 PM, Robert Simons simons-r@...
      >
      > [TYPEWRITERS] wrote:
      >
      > >
      >
      > >
      >
      > > I have an Underwood Standard #5 and it is older than most I see posted
      >
      > > elsewhere. The issue is the platen won’t move left, the mainspring is
      >
      > > fine and has enough tension, the strap is still connected to the platen.
      >
      > > When we removed the platen assembly, we saw the ‘gears’ that work to
      >
      > > move the platen. The large gear seems to have a planetary gear inside
      >
      > > that lets the small gear free wheel to the right, but by the mainspring
      >
      > > it makes the large gear allow one space at a time.  This unit has no
      >
      > > backspace button or lever. The large gear has a bent pin with a spring
      >
      > > attached that goes to an arm. Back, nearly out of sight on the left of
      >
      > > the large gear is an arm that lays nearly parallel to the platen, and it
      >
      > > has a second arm the same size and is captured near the gear. It can
      >
      > > move freely some, but it seem like it is missing a spring, but I don’t
      >
      > > know where it should be anchored.
      >
      > >
      >
      > > I cannot take pictures at the moment, I hope someone with an old #5
      >
      > > might know right off what I need to do.
      >
      > >
      >
      > > Thanks for your attention,
      >
      > >
      >
      > > Rob Simons
      >
      > >
      >
      > > New to the group.
      >
      > --
      >
      > Richard Knoppow
      >
      > 1oldlens1@...
      >
      > WB6KBL
      >
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      --
      Richard Knoppow
      1oldlens1@...
      WB6KBL
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