Treatise covering operation, defects and remedies of the locomotive, Westinghouse and New York air-brake, also questions and answers to first, second and third year's progressive examinations (1917)
MacDonald, J. R. [from old catalog] · [Chicago] The author · leaf 303
ing the valve at A is free to pass up through portP and down through P1 to the under side of piston D, forc-ing it upward. The upward movement of piston D also causesthe main valve C to raise from its seat, allowing steam topass into chamber B and out into the train steam pipe at B.The steam from B… … Fig. 45. Mason Steam Heat Regulator STEAM HEAT APPARATUS 301 The diaphragm is forced upward. This allows the auxiliaryspring to close the auxiliary valve C, thus shutting off steamfrom ports P and piston D, when the boiler pressure inchamber A, assisted by the main valve spring, will force themain…
Locomotives · Westinghouse air-brake · New York air-brake
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