Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 667
272) to which ports Eand V connect from the main slide valve seat. Port Eis the admission port and is open to receive pressurefrom chamber B when the handle of the brake valve isin Full automatic release and Straight Air applicationposition. Port V is the exhaust port and is used to ex-haust the… … LW. E . A _^ h O P R Fig. 273. RuDiiiiig- Pii^ition. N Port A^ is also used to pass pressure from chamber B tothe straight air brake when the handle is in the Fifthgraduating notch and Emergency position. This is doneso that if there is cylinder leakage or excessive pistontravel, the Straight Air…
Locomotives
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