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  Begin OCR Text:  
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                                       P 18OO
                  D E S C R l PT l O _
         (Concerning gearbox with overdrive (M 41), see also ''P 12O, P 18OO Part4 (43), Overdríve''3
       '
        _ , _ , ,,',i '  , _  _ _   _ ,    '  The M 4O gearbox (with overdrîve - M 41) for
       ,                  the P 18OO is a fully synchronized four-speed
                         gearbox. It can also be equipped with an over-
                         drive, connected to the fourth gear, thus giving
                         five forward speeds.
                          The appearance of the gearbox is illustrated
                         in Fig. 1 and Illustration A. All gears, except
 ,                         reverse, are in constant mesh. In the neutraI
                         position the gears on the main shaft rotatefreely.
  _                       For this reason they are provided with needle
                         bearings. Whenengaging a gear, the correspond-
                     w_   íng gear wheeI is connected to the main shaft
                      Z_77y   by means ofan engaging sleeve.
           Fig. 1. Gearboxwithoverdrive
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            Fig.2. Gearleverpositions            Fig.5. 3rdspeed    '''''
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  '
       Fig.3. 1stspeed              Fig.6. 4thspeed
             Fig.4. 2ndspeed              Fig. 7. Reverse    '_'''
                                        4-1
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