A textbook on the locomotive and the air brake (1901)
International Correspondence Schools · Scranton, Pa., International textbook co · leaf 176
aks, its value as anon-return check is gone; and this is one of the things thatmust be watched, for then the air will flow back into theauxiliary and probably cause the wheels to be skid. The hole s §13 CAR HEATING. 91 is to allow the escape of any air that may happen to passthrough to the upper… … O from Air TankFig. 39. the pipe leading to the water tank. The object of this valveis to reduce the pressure to 20 pounds per square inch before itgoes into the water system. In the figure, a is the valve body;h and c, the upper and lower caps; d, the diaphragm, and cZ, 92 CAR HEATING. § 13 the…
Locomotives · Locomotive boilers · Railroad cars
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