File:Air brake text for engineers and firemen; (1908) (14758079301).jpg

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English:

Identifier: airbraketextfore00nati (find matches)
Title: Air brake text for engineers and firemen;
Year: 1908 (1900s)
Authors: National correspondence school of railroading, Chicago. (from old catalog)
Subjects: Air-brakes. (from old catalog)
Publisher: (Chicago?)
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Valve through the Independent Brake Valve. ARRANGEMENT OF APPARATUS. Plate 70 is a diagram of the No. 6 ET equipment, giving thenecessary instructions for making the correct pipe connectionsfor the equipment. Plate 71 is a similar diagram giving thedesignations of the apparatus and piping as referred to in thefollowing description: Referring to Plate 71, air after being compressed by the pumppasses to the main reservoirs and the main reservoir pipe. Themain reservoir cut-out cock is for the purpose of cutting off andventing the air from the main reservoir pipe, when removing anyof the apparatus, except the governor. The end toward the mainreservoir is tapped for a connection to the pump governor. Be-fore this cock is closed the double-heading cock should be closed,and the brake valve handle placed in release position. This isto prevent the slide valve of the feed valve, and the rotary valveof the brake valve, from being lifted from their seats. NO. 6 ET LOCOMOTIVE BRAKE EQUIPMENT. 163
Text Appearing After Image:
PLATE 70. i64 NO. 6 ET LOCOMOTIVE BRAKE EQUIPMENT. Main Reservoir Connections. Beyond the main reservoircut-out cock the main reservoir pipe has four branches, one ofwhich runs to the automatic brake valve, one to the feed valve,one to the reducing valve, and one to the distributing valve. Asa result, the automatic brake valve receives air from the mainreservoirs in two ways, one direct and the other through the feedvalve. The feed valve pipe leading from the feed valve to the auto-matic brake valve has a branch on top of the excess pressurehead of the duplex pump governor. The third branch of the main reservoir pipe connects withthe reducing valve. Air at the pressure for which this valve isset (45 pounds) is supplied to the independent brake valvethrough the reducing valve pipe. Air Signal Connections. When the air signal system is in-stalled it is connected to the reducing valve pipe, in which casethe reducing valve also takes the place of the signal reducingvalve formerly employed

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Author National correspondence school of railroading, Chicago. [from old catalog]
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27 July 2014


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