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 253
re throughthe relief port C. This will allow the steam below thesteam valve 5 to raise it and the governor piston, permit-ting the steam to pass to the pump. However, the con-nection from the main reservoir through the ports in therotary valve and seat leading to chamber D below thediaphragm is… … MR Fig. 31. The SF-4 Compressor Governor WESTINGHOUSE AIR BRAKE 251 pressure head,, the connection being made at the pointmarked MR, the other end of this connection being madeto the cut-out cock in the main reservoir pipe or to themain reservoir direct, so that when the excess pressurehead is cut…
Locomotives · Westinghouse air-brake · New York air-brake
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