Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 546
con-nections cause thebrakes to creep onbefore the pressurecan be restored tokeep them off. It ismainly on this ac-count that the F-6brake valve was in-vented, for with thisvalve the pump gov^-ernor is controlled bythe main reservoirpressure, and willstop the pump atninety pounds in themain… … Sec. 4 Figure 228 D-8 Brake Valve and Rotary 532 LOCOMOTIVE ENGINEERING position the feed valve will open and let the mainreservoir pressure in, and thus keep the brakes fromdragging. Another difference between the two kinds of brakevalves is that with the D-8 valve, when making a serv-ice…
Locomotives
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