. American engineer . L ,BJt -M /-__ J 4 L_ K H- ->t Gage. Jq Sheef Sfeef. Fig. 18—Straight Sectional Expander forSuperheater Flues. ng Tapers. Copper Ferrules and ^Taper j in tS be flared to permit the prossering tool to enter to its properdepth. For hot work use the straight sectional expander fortightening the tubes in the back tube sheet; no roller expandershould be used at this end. K\\ superheater tubes in serviceshould be re-prossered about once every 15 days, this being IB Segments -^j^-l^ alfTnishedSmoofh /2^1 Mandref- Too/ Sfeef, Tempered 16—Self-Feed Re Her Expander forIn. in Dia

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. American engineer . L ,BJt -M /-__ J 4 L_ K H- ->t Gage. Jq Sheef Sfeef. Fig. 18—Straight Sectional Expander forSuperheater Flues. ng Tapers. Copper Ferrules and ^Taper j in tS be flared to permit the prossering tool to enter to its properdepth. For hot work use the straight sectional expander fortightening the tubes in the back tube sheet; no roller expandershould be used at this end. K\\ superheater tubes in serviceshould be re-prossered about once every 15 days, this being IB Segments -^j^-l^ alfTnishedSmoofh /2^1 Mandref- Too/ Sfeef, Tempered 16—Self-Feed Re Her Expander forIn. in Diameter. Tubes 2, by filing before applying the tube. The copper ferrule shouldbe set in the flue hole and seated with the sectional 18. The tube should then be set in place, care being takennot to injure or misplace the ferrule; then the straight sectional

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912