. Canadian transportation & distribution management. lars to the ordinary blow off valve,and is operated by a vertical rod from afulerumed lever under the valve. Betweenthe blow off valve and the boiler, concentricwith the boiler blow off hole, there is the 110 CANADIAN RAILWAY AND MARINE WORLD. [March, 1913. other emergency valve, the blow off valvebeing offset from it in the same emergency valve is similar to the blowoff, except that it is operated by a squarethreaded spindle, at the valve. Normally,this valve is set wide open, with the blow and handle are so constructed that th
. Canadian transportation & distribution management. lars to the ordinary blow off valve,and is operated by a vertical rod from afulerumed lever under the valve. Betweenthe blow off valve and the boiler, concentricwith the boiler blow off hole, there is the 110 CANADIAN RAILWAY AND MARINE WORLD. [March, 1913. other emergency valve, the blow off valvebeing offset from it in the same emergency valve is similar to the blowoff, except that it is operated by a squarethreaded spindle, at the valve. Normally,this valve is set wide open, with the blow and handle are so constructed that the valveis open when the (handle is in a verticalposition. The gauge glass is held in themountings at each end by packed the mountings, concentric with the holeinto the boiler, are brass plugs, with a the event of the more or less frequentbreakage of the glass, the procedure wouldbe to turn off the valves, remove the topplug, and after drawing out the glasspieces, first removing the packing, a newlength of glass is introduced from the Handle on Both Sides of Locomotive Fig. 5.—Installation of Standard Ashpan on an M-2-a Consolidation Locomotive. off controlled by the blow off valve. In theevent of anything going wrong witjli thelatter, the emergency valve can be closed,and the blow off removed and repaired,without the necessity of draining tire first applied, the valve was threadedinto the side of the water leg, but sincethen, it has been found advisable to attachthe valve by a flange, with a loose balljoint ring between, thereby forming a solidtight joint that will not turn in operation. GAUGE GLASS MOUNTINGS.—The de-sign of gauge glass mounting used asshown in fig. 7 combines in a simple mannera convenient arrangement of fittings. Thefittings to the boiler head are brass castingsof almost identical design, except for inter-
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherdonmi, bookyear1913
