Retaining ring 



O-ring 



Reali-Slim ball bearing 



Inner housing 



Outer housing 



Angular contact ball bearing 



Retainer ring 



Circular spline washer 



Rotor spacer 



Shaft 



Spacer 



Finger spring 

 Cover 



Potentiometer 

 Wave generator 

 Circular spline 

 Dynamic spline 

 Flexpline 

 Brushring 

 Motor field 

 Motor armature 



CROSS SECTION OF MOTOR UNIT II 



28 



