[GreenKeys] Teletype model 35 KSR

[E. Groenenberg]

Hello Everybody.

Well, I picked up the Teletype last Thursday as part of a short break
in Germany.

I have made a few pictures, which can be seen at
  www.groenenberg.net/download/Teletype/model_35

The machine is truly in excellent condition, and was apparently used
on German navy ships, altough the extra metal identification tags
also use Dutch and English words. Manufacturing date was August 1977,
and the model variation is 'LESU 309 L'

The inside was clean, and the dome was still clear and has not yellowed
due to being in the sun over a prolonged time. Keys are clean and
definitely not of '50 shades of grey' style.

And the best part is, it has only run just below 14 hours, or, if the
counter has cycled tough all of it's digits, more than 10,000 hours...
This let me believe that this teletype was only used as a sort of backup
comms system, or was an 'ex stock' machine and went through a regular
test cycle to warrant a proper functioning.

I believe it was originally mounted directly on a table or work surface,
as there are no rubber feet and no pedestal base. I'm either going to make
a sort of plywood base with holes where the ends of the bolts (from the
base plate can rest in, or stick a few rubber feet on the base plate
using a self adhesive version.

It's a 115V/60Hz version which is not a real problem (we have 230V/50Hz),
so a step down transformer and a frequency changer is needed.
Both items are not a problem, these transformers can be ordered from
jukebox parts suppliers here, as wel as the frequency changer.

Things to find out :
  as the machine has only an on/off switch, how would it operate in local
mode?
  which terminals to use for power?
  will it need 20mA or 60mA current loop?

Ed
--
Ik email, dus ik besta.



On Wed, October 24, 2018 14:32, tony.podrasky wrote:
> GM OMs;
>
> Ed - two important things:
>
> 1. When your raise the dome, keep one hand on the glass bubble
>     and let it out gently. It is made of plastic and if it breaks
>     off and falls to the ground, well you won't find a replacement.
>     By now it is probably amber in color, and will shatter easily.
>
> 2. While you have the dome open, go to the right side of the machine
>     (from facing the front of the machine), and turn the motor, by
>     hand in the CCW or counter-clockwise direction. You only need
>     finger-tip strength to get the machine to cycle. If it doesn't
>     want to turn, you'll need to take the print mechanism off the base
>     (4 screws with fairly good access), put motor oil (10W-30) on
>     everything that moves, and then put it back on the base. It
>     should seat very easily. If one of the legs isn't touching the
>     base, try lifting it up a bit and then putting it down. Over
>     the next few days, try rocking the motor back-and-forth a half
>     inch or so until things free up. Once it frees up turn the motor
>     by hand to see if anything is binding. NOTE: at some points
>     turning the motor will cause heavy parts to cycle, which will
>     require a little more pressure than some other points during
>     the cycling of the machine. Do that until you feel that all
>     seems well.
>
> 3. Apply power. As I recall with the pointer "up" is off, to
>     one side is on-line and the other is local.
>
> Let us know how it goes!
>
> UE,
> K2EAA - TONY
> NNNN
> ZCZC
>
>
> On 10/23/2018 11:51 PM, E. Groenenberg wrote:
>> Hello Everybody.
>>
>> Tomorrow I'm going to pick up a model 35 KSR. I guess they are prety
>> rare
>> here in Europe, so I'm quite happy to get one.
>> Are there any specific point I have to watch for or look after when I
>> get it?
>>
>> I believe their weight is about 40Kg (85 pounds?), and do I need to take
>> some precautions when transporting it?
>>
>> Thank you,
>>
>> Ed
>> --
>
> --
> Great truths about life that little children have learned:
>
>   "You can't hide a piece of broccoli in a glass of milk."
>
>