338 



BRAKE CYLINDERS 



FREIGHT-BRAKE CYLINDERS 



TYPE C, 8"X12", FREIGHT-BRAKE CYLINDER AND 

 RESERVOIR COMBINED 



Freight-brake cylinders are made in two styles, the type C 

 in which the cylinder is secured to or combined with the 

 auxiliary reservoir, and the type D in which the cylinder is 

 detached from the reservoir. The type C brake apparatus, 



FIG. 1 



shown in Fig. 1, is furnished, with schedules HC-812 or KC-812, 

 for freight cars the light weight of which is not less than 22,000 

 nor greater than 37,000 Ib. The total leverage should never 

 exceed 9 to 1. The piece number of the freight-brake cylinder 

 and reservoir combined is 2,438; the piece and reference num- 

 bers of the various parts are given in the accompanying list. 



PC. No. 

 1,216 

 1,246 

 1,217 

 2,305 

 1,142 

 1,144 

 1,145 

 1,110 

 1,147 

 4,883 

 4,887 

 2,439 

 1,004 



* 2,427 

 4,904 

 4,889 



lef. No. Name of Fart 



2 Cylinder body, 8-in. X 12-in. 



3 Piston and rod, includes 5 only. 



4 Non-pressure head 



5 Follower stud and nut. 



6 Follower. 



7 Packing leather. 



8 Packing expander. 



9 Release spring. 



10 Cylinder gasket. 



11 Cylinder-head bolt and nut. 



12 Reservoir stud and nut. 



13 Reservoir, includes 12, 14, and 16. 



14 Drain plug. 



15 Triple- valve gasket. 



16 Reservoir tube. 



17 Reservoir-cylinder bolt and nut. 



*Listed for convenience only, not included in Piece No. 2,438. 



