Identifier: operationoftrain00prio (find matches)
Title: Operation of trains and station work and telegraphy
Year: 1914 (1910s)
Authors: Prior, Frederick John, 1858- comp
Subjects: Railroads Trainmen
Publisher: Chicago, F. J. Drake
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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way Cock for-ward to discharge the exhaust from the Air Pump intothe stack or saddle. The Three-way Cock must be kept in either the ex-treme forward or back position, as any intermediate posi-tion would close the exhaust pipe from the Air Pump. To increase the pressure on the train heating system,slacken the Cross Bar Check Nut of the UE. C. H.Relief Valve and turn the hand wheel from left to right;to decrease the maximum pressure, turn the hand wheelfrom right to left and tighten the Cross Bar Check Nut. It will be found that average trains can be properlyheated -with the exhaust steam from the Air Pump with-out opening the boiler valve in the direct steam heatingsystem. In case, however, the Air Pump exhaust is notsufficient to maintain the required pressure, open theboiler valve and the Pressure Regulator will furnish livesteam to supply the deficiency. The locomotive shown in Figures 21 and 22 has theair pump and Economy Car Heating Apparatus on the 82 RULES FOR MOVEMENT OF TRAINS
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HEATING AND LIGHTING CARS 83

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