. Air brake text for engineers and firemen; . EV3Cf7 Eveo EVI58 JCOPPER PIPETO ACCELERATORRESERVOIR PLATE 108. valve (rear view). Plate 110 is a cross section through themain slide valve EV 312. This view shows the main reservoirand brake pipe connections; it also shows the location of passageH, which connects the supplementary reservoir and chamber D^back of piston EV 311 ; also port O drilled to the slide valve seat,and cavity R in the slide valve. Plate 111 is a top view of the B3 I^OCOMOTIVE BRAKE EQUIPMENT. 243 valve with the cover, sHde valve and handle removed, showingthe seat and conne
. Air brake text for engineers and firemen; . EV3Cf7 Eveo EVI58 JCOPPER PIPETO ACCELERATORRESERVOIR PLATE 108. valve (rear view). Plate 110 is a cross section through themain slide valve EV 312. This view shows the main reservoirand brake pipe connections; it also shows the location of passageH, which connects the supplementary reservoir and chamber D^back of piston EV 311 ; also port O drilled to the slide valve seat,and cavity R in the slide valve. Plate 111 is a top view of the B3 I^OCOMOTIVE BRAKE EQUIPMENT. 243 valve with the cover, sHde valve and handle removed, showingthe seat and connections for the straight air and divided reservoirpipes. A shows the opening through the slide valve seat tobrake valve chamber A beneath the slide valve; B is a cavity backof the slide valve seat into which the air flows from the mainreservoir pipe, although all the space under the valve cover and r\. ■2i PLATE 109 above the slide valve is known as chamber B; G is the exhaustpassage; V is a port in the seat through to the exhaust passageand is an exhaust port for the straight air brake in running andstraight air release positions, and is also an exhaust port for theair from chamber D through port O in the release, running and 244 B3 LOCOMOTIVE BRAKE EQUIPMENT. lap positions; port T leads to the accelerator reservoir; port Wleads to passage H and the supplementary reservoir. The loca-tion of port O in the seat is also shown. Port O is used for the purpose of venting air from chamber Dto the atmosphere, so as to permit piston EV 311 to return toits normal position (Plate 108) when releasing brakes. It runs ■
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License: Licensed
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidairbraketextfore00nati
