254 



NO. 6 E T LOCOMOTIVE BRAKE 



fits ; and a view of the application- valve pin 1 8. This pin is made 

 of steel and fits snugly in the opening 18 in the application -pis- 

 ton stem. It extends upwards into the large round opening in 

 the face of the application valve 5, and its function is to trans- 

 mit the motion of the application piston 10 to the application 



FIG. 7 



valve 5. It is grooved to receive the pin ab in the application 

 piston and a similar pin in the opening in the application valve 5, 

 so that the application valve cannot be put in wrong end to. 

 Also, a view of the application piston 10 is shown. This piston 

 controls the movement of the application valve 5 and the 

 exhaust valve 16. It is moved back and forth by creating 



