. Railway mechanical engineer . g. 13 shows a tire removing device which is in fact aspecial type of air jack. After the tire has been heatedand expanded the end of the jack is placed against theinside face of the opposite tire. The plunger pushes thetire off and is prevented from traveling out too far by a3-in. collar which strikes the wheel center. DISCUSSION Several of the members spoke strongly in favor of thetool foremen giving their best thought to devising specialjigs and tools for use in the enginehouse, for the need ofsuch things in the enginehouse is very great. Every meansshould be
. Railway mechanical engineer . g. 13 shows a tire removing device which is in fact aspecial type of air jack. After the tire has been heatedand expanded the end of the jack is placed against theinside face of the opposite tire. The plunger pushes thetire off and is prevented from traveling out too far by a3-in. collar which strikes the wheel center. DISCUSSION Several of the members spoke strongly in favor of thetool foremen giving their best thought to devising specialjigs and tools for use in the enginehouse, for the need ofsuch things in the enginehouse is very great. Every meansshould be given the enginehouse force to make quick andthorough repairs, for then the power would be kept inservice longer and would be able to make a greater mileagebetween shoppings, all of which means a more efficient me-chanical department. It was designated as the emergencyhospital, for the locomotive and the doctors thereinshould be provided with satisfactory tools. The outlyingenginehouses should be given even more assistance than. f^pRo/Key Section A-A Mandrel Machine Steel CoffersHigh Speed Tool Sfeel Fig. 16.—Details of the Milling Cutters Shown in Fig. 15 those at or near the back shops, for at these points in caseof emergency the proper equipment can be borrowed while theoutlying enginehouse would have to either hold the enginefor a much longer time or send it to the main shop. Several special tools used at some enginehouses were men-tioned, among them being a tool for grinding superheaterunit joints. It consists of a fluted ball of proper contourprovided with a square pilot projection. A piece of emerycloth is placed over this ball, the square pilot keeping itfrom rotating, and the joint ground. The tool will neverwear out, the wear coming wholly on the emery cloth, whichis replaced after having served its purpose. J. C. Bevelletold of using a floating liner in the back end main rod brasswhich on some engines eliminated the necessity of renewingthe brasses at the end of ev
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
