328 



BRAKE CYLINDERS 



All tender-brake-cylinder pressure heads with connection for 

 quick-action triple valve are furnished as in Fig. 2, except that 

 for ordinary equipments port c is not tapped, and bosses A and 

 B not drilled. When ordering such pressure heads for the com- 



FIG. 2 



bined automatic and straight-air brake equipment, schedule 

 SWA-SWB , specify port c to be tapped for f -in. pipe and plugged, 

 plug to be flush on cylinder side of head; also that either of 

 bosses A or B should be drilled and tapped for Hn. pipe. 



