. American engineer and railroad journal . s, whichconsist of two circles brouixht as near together as withthe ordinary form of packing rings slipping down over a cir-cular .section and (iroviiled with the s]iiral springs for holdingthem down in ]iositinn as is shown, tU.\NK-IlN IKKSS. This jircss is a very convenient jiortable machine, which isused about the sbojis for reniovin,g and in crank-pinswhile the drivers are still under the engine. Its construction and general dimensions arc very clearlyshown by the It will be .seen from an examina-tion that the pres
. American engineer and railroad journal . s, whichconsist of two circles brouixht as near together as withthe ordinary form of packing rings slipping down over a cir-cular .section and (iroviiled with the s]iiral springs for holdingthem down in ]iositinn as is shown, tU.\NK-IlN IKKSS. This jircss is a very convenient jiortable machine, which isused about the sbojis for reniovin,g and in crank-pinswhile the drivers are still under the engine. Its construction and general dimensions arc very clearlyshown by the It will be .seen from an examina-tion that the press is mounted on a four-wheeled truck, andthat the tank and body of the press itself are carried on screwsby which it can be elevated or depressed so that the center lineof the ram will come in line with the center of the crank-pinwhen the press is to be used. The bars shown at the right of the engraving are used tolock into the spokes of the <lriving-wheel, and also into thetail-bar back of the jiress. The jiressure can then be applied. CltANK-1IN IHESS, llKI,.\\VAIiR & HUDSON CANAL COMlANV SPECIAL TOOLS OF THE DELAWARE & HUDSON CANAL COMPANY S RAILROAD I!-\I,ANCEn SLIDE VALVK. TiTK balanced slide of wdiieli we give a full detailedillustration is in general use upon the locomotives of the road,and is being applied to all engines as they come into the shopfor repairs if tliey have not been efpiipiicd with it before. The]irincipal feature wherein this balanced valve differs fromthose in ordinary is that the balancing backing at the topis round instead of square, which makes it far cheaper to manu- anil the pin forceil in as shown in the side elevation and .sec-tion of the press. The ram is G in. in diameter, and the cylin-der will sustain a pressure sullicient to ]iut in any pin that maybe desired. The iHimping arrangement is very simple, and is located ontop of the ram with a bell crank attachment for operating the)-ilunger anil for connecting a lever which is 8(i
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
