10 AIR-BRAKE EQUIPMENT 



or PK, are as follows: Two* hose, l-in.X22-in., with HP-4 

 couplings and f-in. nipples, complete, two |-in. angle fittings, 

 one No. 2 double check-valve, one E-l safety valve set at 

 53 lb.; these are all classed as schedule SWB. 



TENDER BRAKE EQUIPMENTS 



The following equipments are only furnished with the old 

 standard locomotive brake equipment, the practice being te 

 furnish quick-action triple valves on passenger-engine tenders, 

 and plain triple valves on freight or switch-engine tenders. 

 The ET locomotive brake equipment, now standard for all 

 classes of service, includes tender brake fixtures. For high- 

 speed service, order one high-speed reducing valve in addition 

 to the proper schedule. For double- pressure control, order one 

 E-l safety valve in addition to the proper schedule. 



Automatic Brake Equipments for Passenger-Engine Tenders. 

 All automatic brake equipments for passenger-engine tenders 

 are classed as schedules HK-812,PK-1,012,PK-1,212,PK-1,412, 

 PK-1,612. The accompanying specifications are for 1-in. 



Details of Equipment 



1 Type K tender-brake cylinder of size indicated. 

 1 Auxiliary reservoir of size required. 

 1 Reservoir drain cock of size required. 

 1 Quick-action triple valve, with gasket, as indicated. 

 1 1-in. cut-out cock, for triple valve. 

 1 1-in. tender drain cup with 1-in. cross-over connec- 

 tion. 

 1 Self -locking angle cock, 1 in.Xlj in. 



1 Angle fitting, 1 in.X 1J in. 



2 Hose, 1 in.X 22 in., with FP-4 couplings and IJ-in. 



nipples, complete. 

 1 F dummy coupling. 



brake pipe on the tender, which is recommended practice; if it 

 is desired to use IJ-in. pipe, the order should so state. These 

 schedules were formerly designated HL and PL, instead of HK 

 and PK. The letter L formerly covered tender-brake cylin- 

 ders with heads for both plain and quick-action triple valves. 



*To preserve existing standards, 1 special hose connection, 

 l-in.X36-in., with f-in. fittings, Piece No. 4,892, may be specified 

 instead of this item. 



