. The Street railway journal . e operated at 80 , but can stand 110 lb. The crane itself is ofdouble tie-rod construction with a lower pintle adjustable Rochester, N. Y., which replaces a 100-ton press; a boring mill and a Putnam wheel lathe, which is nowbeing installed on a foundation alongside the boring mill. The plant for supplying the chipping hammers, rivetinghammers, drills and air cleaning is located on the oppositeside of the lathe foundation. This consists of two 50-cu. Christensen compressors and a 95-lb. pressure tankfurnished by the Chicago Pneum
. The Street railway journal . e operated at 80 , but can stand 110 lb. The crane itself is ofdouble tie-rod construction with a lower pintle adjustable Rochester, N. Y., which replaces a 100-ton press; a boring mill and a Putnam wheel lathe, which is nowbeing installed on a foundation alongside the boring mill. The plant for supplying the chipping hammers, rivetinghammers, drills and air cleaning is located on the oppositeside of the lathe foundation. This consists of two 50-cu. Christensen compressors and a 95-lb. pressure tankfurnished by the Chicago Pneumatic Tool Company. Twocompressors are used, so that one can do the work shouldthe other break down. These compressors have semi-water-jacketed heads instead of having the whole cylinder water-jacketed. Compressed air has been successfully applied to armaturecleaning by the installation of an exhaust stack and hoodin the wheel shop. The hood curtains, which are of canvas,can be lowered to encase the armature completely, so that. LOOKING TOWARD THE OVERHAULING TRACKS, SHOWING THE LOCATION OF FOUR PNEUMATIC JIB CRANES AND THE METHOD OF RAISING CARS for about an inch in any direction. The upper pintle hasroller bearings. All the hoists are fitted in roller bearingtrunnion trolleys. The fifth hoist is of 2700 lb. capacity and is ideally lo-cated to care for a boring mill, wheel press and lathe, all ofwhich are within the swing of this crane. As the wheelstorage tracks are also within range, the great usefulness ofthis single tool can be appreciated. This hoist will retainthe load indefinitely, which feature is obtained by a specialvalve construction. It also has a very slow speed for cen-tering wheels on the machine tools and a fast speed forordinary handling. One of the illustrations shows thishoist placing a set of wheels on a truck near the storagetrack and another view illustrates its usefulness in con-nection with the boring mill. The principal tools in the wheel shop consist o
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
