[GreenKeys] Teletype Model 3321 ?

[tomas at tlec.se]

So I have understood.

But firstly it will require a thorough cleaning

 

Mvh

Tomas Larsson

Sweden

 

Från: Nick England <navy.radio at gmail.com> 
Skickat: den 28 oktober 2019 17:12
Till: tomas at tlec.se
Ämne: Re: [GreenKeys] Teletype Model 3321 ?

 

IMPORTANT - do not operate without the hammer rubber pad! It will destroy your printwheel.

I do not have a Model 33, but have seen this warning many times on greenkeys.

The Model 33 folks here can tell you where to get a rubber pad.

Cheers,

Nick England K4NYW
www.navy-radio.com <http://www.navy-radio.com> 

 

 

On Mon, Oct 28, 2019 at 11:57 AM <tomas at tlec.se <mailto:tomas at tlec.se> > wrote:

Dear group.

I have just aquired an Teletype Model 3321, hence I have registred with this group.

It will require much service I guess.

Amongst other thing, the rubber-pad on the hammer is missing.

Now I have problems identifying what unit it actually is, since it internals (the electrical parts located at the unit right-hand side)

It is equipped with a tape-reader and a punsch and friction feed.

The electricals looks very different from the drawings/images in the various documents I have downloaded.

There is 4 circuit bords in slots, with edge contacts, in front of the circuitbords there is a transformer.

The Molex contacts, number 2 and 3 are un-populated, i.e the whole contact house is missing.

Position 1 seems to connect to external data, and number 5 to two switches on the face-plate (actually 4 switches but only 2 is connected).

The circuit bords are marked as follows, starting with board closest to the front:

 

Board #1 Teleprint BS 230 Connects with a header contact at the bottom

Board #2 Teleprint BS 263 Connects with a header contact at the bottom

Board #3 Must be powersupply for reader etc

Board #4 Teleprint BS 270 Connects with a header contact at the bottom

There is allso a small board mounted upside down in the base between board 3 and 4.

 

On the marking label it says ”Model 3321 3WF” I amn not sure about those 3 last letters though, since they are difficult to read.

 

Does anyone have any clue what I got?

 

 

 

 

 

 

Mvh

Tomas Larsson

Borås

Sweden

 

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