| f1 | 
              DRUCKANSCHLUẞ TRIMMSCHALTER  | 
            
            
              |   | 
              Pressure connection. . . for example, trim selector | 
            
            
              |   | 
                | 
            
            
              | f2 | 
              SAUGEANSCHLUẞ TRIMMSCHALTER  | 
            
            
              |   | 
              Suction connection, trim selector | 
            
            
              |   | 
                | 
            
            
              | f3 | 
              LENZANSCHLUẞ HAUPT LENZPUMPE  | 
            
            
              |   | 
              Drain connection, main drain pump  | 
            
            
              |   | 
                | 
            
            
              | f4 | 
              NOTLENZANSCHLUẞ | 
            
            
              |   | 
              Emergency drain connection  | 
            
            
              |   | 
                | 
            
            
              | f5 | 
              BORDVENTIL LENZDRUCKANSCHLUẞ TAUCHZELLE 3 BACKBORD  | 
            
            
              |   | 
              Hull valve drain pressure connection, main ballast tank 3 port | 
            
            
              |   | 
                | 
            
            
              | g | 
              FLUTEN. . . zB UNTERTRIEBZELLE STEUERBORD  | 
            
            
              |   | 
              Flood valve. . . for example, negative tank, starboard | 
            
            
              |   | 
                | 
            
            
              | g1 | 
              BORDVENTIL FLUTEN MUNITIONSKAMMER und MUNITIONSBENHALTER  | 
            
            
              |   | 
              Hull valve for flooding or circulating water through magazine and ammunition container [not found on this plate] | 
            
            
              |   | 
                | 
            
            
              | h | 
              ENTLÜFTEN. . . zB UNTERTRIEBZELLE BACKBORD  | 
            
            
              |   | 
              Vent. . . for example, main ballast tank, port  | 
            
            
              |   | 
                | 
            
            
              | i | 
              DRUCKAUSGLEICHEN. . . zB TORPEDO ROHRE 1 - 4  | 
            
            
              |   | 
              Pressure equalization. . . for example, torpedo tubes 1 - 4  | 
            
            
              |   | 
                | 
            
            
              | k | 
              GERÄUSCHDÄMPFER. . . zB UNTERTRIEBZELLEN BACKBORD und STEUERBORD  | 
            
            
              |   | 
              Mufflers on vent lines. . . for example, negative tanks, port and starboard  | 
            
            
              |   | 
                | 
            
            
              | l | 
              SCHAUGLAS . . . zB REGELBUNKER STEUERBORD 1  | 
            
            
              |   | 
              Gage glass. . . for example, regulating  and reserve fuel oil tank 1  | 
            
            
                | 
                |