File:Air brake text for engineers and firemen; (1908) (14574775297).jpg

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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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n as scheduleS-W-A and for the tender as schedule S-W-B. General Arrangement. Plate 49 shows the general arrange-ment of the combined apparatus and the positions of the brakevalves and double check valves when the automatic brake is ap-plied. Plate 50 shows the corresponding positions when thestraight air brake is applied. Connection with the automatic ismade at three points, viz.: to the main reservoir and the brakecylinder pipes of the driver and tender brakes. The straight air supply is taken from the main reservoir pipebetween the main reservoir and the automatic brake valve so asto insure clean, dry air. Before reaching the straight air brakevalve it must pass through the reducing valve, which is set at 45pounds, and consists of a standard slide valve feed valve, as usedon the automatic brake valve, attached to a special pipe connec-tion made for that purpose. This reducing valve should always AUTOMATIC & STRAIGHT AIR EQUIPMENT. 119 S S J) 2 S <i o ^ 5 q a 5 5 ? 3
Text Appearing After Image:
IQ n % J5 1 ^ § 6; :« r ?> PLATE 48. I20 AUTOMATIC & STRAIGHT AIR EQUIPMENT.

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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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