250 



NO. 6 ET LOCOMOTIVE BRAKE 



distributing-valve through the independent brake valve and 

 the distributing- valve release pipe when the independent brake 

 valve is in running position. 



The automatic brake valve is for the purpose of operating the 

 locomotive and train brakes. 



The independent brake valve is for the purpose of operating 

 the locomotive brakes only. 



The distributing valve controls the flow of air to and from 

 the locomotive brake cylinders. It is the most important 

 feature of the ET equipment and takes the place of the engine 

 and tender triple valves, their auxiliary reservoirs, and the high- 

 speed reducing valves used with the former type of locomo- 

 tive brake. 



DESCRIPTION AND OPERATION 



DESCRIPTION OF VALVE 



The No. 6 distributing valve with its double-chamber 

 reservoir is the most essential part of the ET equipment. 

 This valve operates the locomotive brakes only. It takes 



FIG. 1 



the place and performs all the functions of the triple valves, 

 auxiliary reservoirs, double check-valves, and high-speed 

 reducing valves used with the former types of locomotive 



