PRINCIPLES OF NAVAL ENGINEERING 



, SELECTOR VALVE 



H 



FIRST STAGE 

 REDUCTION DRIVE 



CLUTCH' 

 SHAFT 



.DRIVEN PLATES (FIXED TO GEAR) 

 .DRIVING PLATES 



FORWARD DRIVE 



FROM — ^ 



SCAVENGE PUMP 



OUTPUT GEAR 



.su 



lEM 



SECOND STAGE 

 REDUCTION DRIVE 



^ 



PISTON COMPRESSES 

 CLUTCH PLATES AND 

 OUTPUT GEAR E DRIVEN 



\ 



TO COOLER INACTIVE ™ ^AME DIRECTION AS 



PETON CLUTCH SHAFT 



DIVERSION 

 VALVE 



COUNTERSHAFT 



REVERSE DRIVE 



LEGEND 



PETON COMPRESSES CLUTCH PLATES 

 AND OUTPUT GEAR E DRIVEN BY 

 COUNTERSHAFT IN OPPOSITE DIRECTION 

 TO CLUTCH SHAFT 



■ OIL AT PRESSURE 

 NON-ACTIVE OIL 



■ COOLING OIL 



Rgure 23-20.— Clutch, reduction gear, and reverse gear arrangement. 



612 



J 



^ 



147,153 



