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 359
er rapidly. Port P in the slide valve now registers withport L in the seat leading to the safety valve. The build-ing up rapidly of the control chamber and cylinder pres-sure forces piston 2 all the way down, which in turn causesthe admission valves 1 and 1A to be opened wide, permit-ting air from… … TO STRAIGHTAlR BRAKE VALVE fO AUTOMATIC BRAKE VALVE. Fig. 19. Automatic Service Position NEW YORK AIR BRAKE 357 valve permits main reservoir air to flow through a smallport in the rotary, which passes into the control pipe andthence to the control chamber and cylinder. This smallport in the rotary…
Locomotives · Westinghouse air-brake · New York air-brake
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