330 



BRAKE CYLINDERS 



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Cylinders of 10 in. diameter 

 or less are flat on top. The 

 cylinders, end flanges and the 

 walls of the body do not extend 

 above the supporting flange. 

 P-l triple valves are used for 

 cylinders, 6 in.X12 in., 8 in. 

 X12 in., and 10 in.X12 in.; 

 P-2 triple valves are used for 

 cylinders, 12 in.X12 in., 14 in. 

 X12 in., and 16 in.X12 in. 

 The dimensions and weights of 

 the cylinders and their piece 

 numbers and the piece and 

 reference numbers of the vari- 

 ous parts are given in the ac- 

 companying tables. 



The slotted crosshead, Ref. 

 No. 6, is used when the hand- 

 brake rigging is designed to 

 work in harmony with the air- 

 brake system, an arrangement 

 that is recommended for all con- 

 ditions where it is practicable. 



Unless otherwise specified, 

 the quick-action triple-valve 

 head with slack-adjuster lug, 

 with a detachable lever bracket 

 is furnished on all orders for 

 or including this part. This 

 bracket can be easily removed 

 to allow the application of the 

 American automatic-slack ad- 

 juster, thus obviating the neces- 

 sity of changing the head. 

 Should orders including cylin- 

 ders or cylinder heads also cover 

 slack adjusters, detachable 

 brackets are not supplied. 



