. Science of railways . k into the tender the hose and feedpipe are immediately emptied of water, leavingnothing in the exposed pipe or hose to freeze. To clean any sediment from the tank, remove thesmall plug in the bowl shown below the strainer. Todisconnect the tank hose when there is no steam toblow the water out of feed pipe, open the small petcock shown at the top (or return bend), therebyadmitting air and breaking the action of the air cock should be closed at all times whenworking the syphon. This device also permits the use of a large strainerwith small openings. LOCOMOTIV
. Science of railways . k into the tender the hose and feedpipe are immediately emptied of water, leavingnothing in the exposed pipe or hose to freeze. To clean any sediment from the tank, remove thesmall plug in the bowl shown below the strainer. Todisconnect the tank hose when there is no steam toblow the water out of feed pipe, open the small petcock shown at the top (or return bend), therebyadmitting air and breaking the action of the air cock should be closed at all times whenworking the syphon. This device also permits the use of a large strainerwith small openings. LOCOMOTIVE FEED-WATER SELLERS STRAINER. The Sellers strainer, herewith illustrated, fromlong continued service has shown many specialadvantages to recommend it. The strainer has standard pipe and hose connec-tions, and is coupled directly to the end of the injectorsuction pipe. It occupies but httle more space thanthe ordinary hose nut and cone strainer, and can beusually applied without alteration of the length of. Fig. 1. View of Strainer from Under Side showing- Straining Plate Partially Removed. the hose or of the pipe. The metal straining plate,is of large area, and is provided with holes so smallthat fine particles, which pass through the ordinarystrainer, are excluded from the injector; the dirt trapis large and admits of a considerable accumulationbefore cleaning is required; among other advantagesclaimed are the certainty of a continuous and plenti-ful supply of water to the injector, less wear of the (562) LOCOMOTIVE APPLIANCES. 563 injector combining and delivery tubes, a considerablesaving of time over the ordinary method in removingand cleaning the strainer, and a convenient andmechanical arrangement of all the parts. This strainer can be cleaned in a few minuteswithout breaking the pipe or hose joints. Fig. 1gives a view from the under side, with the nutsslackened, the T-head bolt swung upward, the cap
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