. Air brake text for engineers and firemen; . -AV 28 PLATE 125—FIG. 1. I^ FIG. 2—PLATE 125. 256 B3 LOCOMOTIVE BRAKE EQUIPMENT. notice that Fig. i shows end view and Plate 125, Fig. 2, a crosssectional view. It will be noted that the connection with themain reservoir is made at MR, and by means of the coredpassage, air is free to pass to the under side of valve PG BV leads to the brake valve and main reservoir con-nection, and connection D to the regulating part (single or du-plex), also connecting at D on Plate 125, Fig. 2. Operation. In operation, with either a single or
. Air brake text for engineers and firemen; . -AV 28 PLATE 125—FIG. 1. I^ FIG. 2—PLATE 125. 256 B3 LOCOMOTIVE BRAKE EQUIPMENT. notice that Fig. i shows end view and Plate 125, Fig. 2, a crosssectional view. It will be noted that the connection with themain reservoir is made at MR, and by means of the coredpassage, air is free to pass to the under side of valve PG BV leads to the brake valve and main reservoir con-nection, and connection D to the regulating part (single or du-plex), also connecting at D on Plate 125, Fig. 2. Operation. In operation, with either a single or a duplexregulating part, as soon as the pressure in the brake pipe is suffi-cient to overcome the resistance of spring PG 10, which holdsdiaphragm PG 13 seated over port B, the pressure will passthrough passage E to connection D and through piping to spaceE in the supply part of the controller above piston PG 4, forcingthe piston and valve PG 95 down until seated and cutting offcommunication between the main reservoir and the brake pipe. As soon as the pressure in the brake
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidairbraketextfore00nati
