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 199
air must nowpass down through the feed port F in the seat which con-nects with the feed valve chamber, forcing the supply valveand piston to open position, allowing the air to pass throughthe supply port in the seat of the supply valve, thence backinto the brake valve through port I, passing… … Fig. 7. G-6 Brake Valve, Eunnjng Position WESTINGHOUSE AIR BRAKE 197 LAP POSITION This position is not shown all ports being blanked. Thepressures are inactive,, as there is no communication be-tween the different pressures. SERVICE POSITION When the handle of the valve is placed in service…
Locomotives · Westinghouse air-brake · New York air-brake
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