OLIVETTI  » DIVISUMMA 26 GT «
Inside Views & Restoration Procedure ...





... These pictures are taken after hours of cleaning:
From its noise shield the detoriated foam pieces
were sticking all over the blocked machine.

To find the malfunctions, the motor is dismounted and
a "CRANK" is made out of 2 radio buttons ...

 

First Progress on 21st Feb. 2011 ...
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The general blocking found: A bent lever deep inside!
With a friend's help, we made the keyboard working.
Next step: Restore the blocked printing unit!
4 screws - Lift the riveted unit - Apply WD-40 ...
Reassembling: 15 tooth-levers had to be placed
simultaniously! - With a home-made SPECIAL-TOOL ...



... Now the printing unit works again ...



... Progress on 10th March 2011 ...
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[+D] = Add,  [-] = Sub,  [◊] = Subtotal,  [*] = Total,
[#] = NonAdd,  [->] = Single KEY Clear,  [C] = Clear KBD
works now on the  B A S E - Memory!

To place the » DIVISUMMA 26 GT « in a niche on the shelf,
the  "looong plug"  is modified into an  ANGLE PLUG ...



... BUT THERE IS A LOT MORE TO DO ...

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I am grateful to  Prof.E.Anthes  for his help with valuable informations!

impressum:
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© C.HAMANN        http://public.beuth-hochschule.de/~hamann       03/11/11