[GreenKeys] Model 35 type box and general cleaning/lubricating

[R Russell Miller]

Alan,

There are certainly lots of places to lubricate on a Teletype Model 35 but
it does not appear that the type box is one of them. I've rationalized that
this is because any lubricant in or on the type box will also end up on the
printed page.

If you are looking for an excellent guide to lubricating Model 28 and Model
35 equipment, check out this document that was produced by Western Union
Telegraph in 1971.

http://www.k7tty.com/development/literature/wubook/index.html

73
Russ WA3FRP

On Tue, Dec 31, 2024 at 2:07 PM Alan Frisbie <Flash1059 at flying-disk.com>
wrote:

>
> After cleaning, should a Model 35 type box be lubricated?  I can't
> find anything in the manual that addresses this, but would appreciate
> a pointer to it.   If so, would the same Starrrett 1620 instrument oil
> I'm using on the rest of the typing unit be the right stuff to use?
>
> I'm making slow but steady progress on the ASR-35 I bought last month.
> Slow, because I'm carefully studying the manuals for fear of screwing
> something up.  So far, I have removed the typing unit and thoroughly
> cleaned it.  After trying Simple Green and not liking it, I tried
> isopropyl alcohol, TP-35 from Miller-Stephenson (Freon/Alcohol mix
> in a spray can), and finally TCE with a sprayer hooked to my compressor.
> After all that it looks like new!
>
> I used a plastic squeeze bottle with a long hypodermic needle to
> hit all the oil point with Starrett 1620 instrument oil.  There sure
> are a lot of points to hit!  To make sure I got them all, I printed
> out that section of the manual and checked off each one as I did it.
> There were a few diagrams that I had trouble finding on the actual
> unit, so I just winged it -- if in doubt, oil it!  :-)
>
> I did not disassemble the type box, but instead put it in a jar of
> isopropyl alcohol in an ultrasonic cleaner.  That really cleaned
> the old dried ink out of the type slugs!  There was a lot of fuzz
> under the type slug heads, which I assume was from ribbons over
> many years.  Tweezers and compressed air finally got it all out.
> Now I just need to know if it needs lubrication.
>
> I gave the same treatment as the typing unit to the LRPE reperforator
> yesterday, and my task for today is to start on the keyboard and base
> assembly.   It is an ugly mess with all the decades-old dried grease
> and oil.
>
> The black sound-deadening(?) foam under the base plate and inside
> the cabinet cover is, of course, dried out and crumbling.  I am
> thinking of replacing it with automotive sound-deadening mats.  Is
> that a reasonable solution?  What do you guys use?
>
> To absorb oil under the typing unit and base plate, I am planning
> to use one of the New Pig oil absorbing mats, as John Whitney did.
> Is there anything better?
>
>
> Thanks,
> Alan Frisbie
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