| a | 
          HAUPT LENZEN. . .  zB HECKTORPEDORAUM | 
        
        
          |   | 
          Main drain suction valve. . . for example stern torpedo room | 
        
        
          |   | 
            | 
        
        
          | a1 | 
          LENZEN TRIEBÖLBUNKER | 
        
        
          |   | 
          Drain valve for fuel oil bunker | 
        
        
          |   | 
            | 
        
        
          | a2 | 
          LENZEN TRINKWASSER ZELLEN | 
        
        
          |   | 
          Drain valve drinking water tanks | 
        
        
          |   | 
            | 
        
        
          | b | 
          ENTLÜFTEN HAUPT LENZLEITUNG | 
        
        
          |   | 
          Vent valve main drain line | 
        
        
          |   | 
            | 
        
        
          | c | 
          VERBINDUNG HAUPT und HILFS LENZLEITUNG. . . zB HECKTORPEDORAUM | 
        
        
          |   | 
          Connection, main and auxiliary drain line. . .  for example, stern torpedo room | 
        
        
          |   | 
            | 
        
        
          | d | 
          EINTRITT HAUPT LENZPUMPE | 
        
        
          |   | 
          Intake valve main drain pump | 
        
        
          |   | 
            | 
        
        
          |   | 
            | 
        
        
          |   | 
            | 
        
        
          |   | 
            | 
        
        
          | e | 
          LENZAUSTRITT HAUPT LENZPUMPE | 
        
        
          |   | 
          Drain discharge valve main drain pump | 
        
        
          |   | 
            | 
        
        
          | f | 
          VON SEE INNEN LENZPUMPEN | 
        
        
          |   | 
          Innner valve from sea  drain pumps | 
        
        
          |   | 
            | 
        
        
          | g | 
          BORDVENTIL NACH SEE LENZPUMPEN | 
        
        
          |   | 
          Hull valve to sea drain pumps | 
        
        
            | 
            |