. Air brake text for engineers and firemen; . Inthis position air flows directly from chamber B (main reservoir)into chamber A (brake pipe), past the end of the slide valve andthrough ports M. Port O is open to the atmosphere through portV to permit piston EV 311 to return to its normal position. PortT is open to the atmosphere through J and C. The supplementaryreservoir is being charged to brake pipe pressure through grooveP and port W from chamber A. Port E is brought into com-munication with port N by passage L, permitting air to pass tothe locomotive and tender brake cylinders, through the
. Air brake text for engineers and firemen; . Inthis position air flows directly from chamber B (main reservoir)into chamber A (brake pipe), past the end of the slide valve andthrough ports M. Port O is open to the atmosphere through portV to permit piston EV 311 to return to its normal position. PortT is open to the atmosphere through J and C. The supplementaryreservoir is being charged to brake pipe pressure through grooveP and port W from chamber A. Port E is brought into com-munication with port N by passage L, permitting air to pass tothe locomotive and tender brake cylinders, through the straightair pipe and double check valve, until shut off by the ^-inch 248 B3 LOCOMOTIVE BRAKE EQUIPMENT. pressure controller, the regulating top of which is connected tothe straight air pipe and is adjusted at 40 pounds. By placing thevalve handle about midway between release and running posi-tions the straight air ports can be lapped, making it possible toincrease or decrease the brake cylinder pressure as may be de-sired. A F S J C T X Ac. N L E J V PLATE 114. Running and Straight Air Release Position. Plate 114 showsthe running and straight air release position. This is the positionin which to place the handle when wishing to release the trainand locomotive brakes simultaneously, or to release the straightair brake when it only has been applied. Air passes from the
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidairbraketextfore00nati
