( 10-Block-Keyboard / E-Model 75-85-54 )
A  TRY  TO  RESTORATION  ...
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        One key was missing - A home-made RED is now the MAIN SELECTOR.
TECHNICAL DATA       of  the  F u l l - Motorized Electro-Mechanical
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                                        Printing-Calculator    10/11
Model:               VICTOR  75-85-54   » AUTOMATIC «
Serial Number:       2360-612
Dimensions:   (ca.)  Width   =   9_1/2 " /  24 cm
                     Depth   =  14_1/4 " /  36 cm
                     Height  =   7_1/2 " /  19 cm
Weight:       (ca.)  23 lbs  /  10.5 kg
Power Supply:        220 V AC / DC   80 W   grounded
Mechanics:           Serial-to-parallel Conversion,
                     10-Block-Keyboard
                     Black Nylon Ribbon:
                     5/16" * 20'  /  8 mm * 6 m
                     Paper Roll (Standard):
                     2_1/4" * 2_3/4" * 165'  (W * D * L)
                     57 mm  * 65 mm  * 50 m  (B * D * L)
Functions:           Multiply, Divide, Back-Transfer,
                     Add, Subtract, NonAdd, Repeat,
                     Subtotal, Total
Registers:           Input       =  10 Decimals
                     Arithmetic  =  11 Decimals
                     Printing    =  13 Characters
Manufacturer:
                     VICTOR-COMPTOMETER CORPORATION
                     Business Machine Division
                     Chicago / USA
                     1975
      Have a look at Model 73-85-54
      Have a look at Model 74-85-54 | 
| S N A P - S H O T S  from the PROCESS of RESTORATION
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 View into the open back side ...
 
 
  
 ... The machine came with a "quick & dirty fix" of the power cable.
 ( Probably the original cable or the plug or both were crumbled. )
 
 A fixed cable is an obstacle in the process of restoration.
 To install a MODERN PLUG, there is a HOLDER to construct first ...
 
 
  
 ... Then the plug get fixed in the holder with component glue & screw
 and mounted on the motor block with existing bolt, nut & screws ...
 
 
  
 ... The picture shows also:
 A PLASTIC CAP WITH GRIPS is mounted on the motor axle. This is
 necessary for MANUAL OPERATION of the machine to find out
 their mal-functions. The base got a new cut-out for this cap
 and the existing cut-out has to made broader for the new plug.
 
 Also the COVER has to get a broader cut-out ...
 
 
  
 A T T E N T I O N
 There is a "SAFETY BREAK" associated with the PAPER/RIBBON-LID.
 To work with the open machine, the BROWN LEVER has to be hold down -
 here with a BUNGEE CORD ...
 
 
  
 To have access from all sides ( and to have space around all gears !)
 the calculator is lifted (1st) with its own feet screws ...
 
 
  
 ... and (2nd) ...
 
 
  
 ... a frame was made for its support to have access
 also from below - when placed between (e.g.) two chairs ...
 
 
  
 Status at Xmas 2009:   Machine is printing endless ZEROs.
 There was a short time intervall when ADD/SUB was ok, but as
 soon the MULT was tried, the machine fall back into ZERO looping.
 ...
 In 2010 - together with a friend - we invested another day ...
 ... NO SUCCESS ...
 SORRY - WE GAVE UP TRYING TO REPAIR THIS CHAOTIC HARDWARE !!!
 ( ... We will use it as a spare-part donator ... )
 
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impressum:
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© C.HAMANN           http://public.BHT-Berlin.de/hamann           09/24/10
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