. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ciation conventions will showthat very frequently the radical sugges-tion of one year will become a recom-mended practice of the next year, and December, 1916. RAILWAY AND LOCOMOTIVE ENGINEERING. 403 likewise, the time is not far distant whenthe unnecessary cleaning of triple valveswill be forbidden and the use of triplevalve lubricant will be met witli a well-deserved censure. Combined Hydraulic and Drill Press. Hv Uijwen,Air Ukaki-: 1(, accompany
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ciation conventions will showthat very frequently the radical sugges-tion of one year will become a recom-mended practice of the next year, and December, 1916. RAILWAY AND LOCOMOTIVE ENGINEERING. 403 likewise, the time is not far distant whenthe unnecessary cleaning of triple valveswill be forbidden and the use of triplevalve lubricant will be met witli a well-deserved censure. Combined Hydraulic and Drill Press. Hv Uijwen,Air Ukaki-: 1(, accompanying illustration is a re-production of a photograph of a com-bined hydraulic and (hill press for press-ing and drilling connecting rod a press of tliis type the brass bush-ings can be readily pressed into placeand the grease and set-screw holes drilledexpeditiously with a minimum of han-dling. The size of the hydraulic ram is8 ins., and a standard air brake leathermay be applied, and the pump itself is anold New York No. 2, with the piston cutoff, and operates in cylinders of steel. VIEW OF COMHIXED HYDR.\ULIC ANDDRILL PRESS. tubing. The reservoir, shown at the backof the illustration, is connected to thewater supply and has an air outlet pipetapped into the top of the cylinder andattached to a three-way cock which, whenthe pressure is admitted, forces the ramdown quickly upon the work pressing thebushing into place. The drill is drivenby a 314 ins. by 3^ ins. double oscillatingair motor, and, as shown, has a levermovement. The introduction of thisdouble-acting device has been a successin our shops, and saved much time andlabor. Its construction is both simpleand economical. Expander Plug for Stuffing Boxes of9J4 in. Air Pump. By F. W. Bentley, Missouri Valley, is a well known fact that the stuffingboxes of the 9^4-in. air pumps after a
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