. Electric railway review . pits areold ones, taken from discarded cars, and are of the West-inghouse 12A type. When the pit is clear the jackscrews arealways down so that the I-beams that are placed on top and air cylinder and piston. The crane revolves very easily andoperates on loads readily wTith the air. The pressure usedon all of the shop tools is maintained at about 90 pounds bythe compressor plant, which consists of a twin electrically-driven set. The compressors were installed by the XationalElectric Company and have a capacity of 100 cubic feet. Xo traveling crane system is used in t
. Electric railway review . pits areold ones, taken from discarded cars, and are of the West-inghouse 12A type. When the pit is clear the jackscrews arealways down so that the I-beams that are placed on top and air cylinder and piston. The crane revolves very easily andoperates on loads readily wTith the air. The pressure usedon all of the shop tools is maintained at about 90 pounds bythe compressor plant, which consists of a twin electrically-driven set. The compressors were installed by the XationalElectric Company and have a capacity of 100 cubic feet. Xo traveling crane system is used in the shop, the latterhaving been laid out so that the cranes at the head of thepits handle the heavy work on and off from the trucks. Theheavy parts are taken through the shop by small especiallydesigned trucks, that are pulled along the floor. It is be-lieved that this is the more economical practice for thereason that when a traveling crane is in service for one pur-pose, other work is compelled to wait, whereas by the sys-. North Jersey Shops—Car Repair Pit with Body Hoist. which are intended to support the car bodies rest directlyon the cement floor. About two minutes are required toraise a car body from its trucks and the hoists are very re-liable and definite in their action. They appear to haveconsiderable advantage over the overhead hoist on accountof being out of the way and taking up little room. In thebottom of each pit is a track of 3-foot gauge, upon which anair-operated pit jack is placed. This pit jack may be movedthe length of the pit on its trucks and is so built that itmay be shifted transversely. When the car body is raised the trucks are run out so North Jersey Shops—Drop Pit with Wheel Grinding Apparatus. tern adopted no delay whatever is experienced and in viewof the disposition of the self-contained cranes herein de-scribed, and those placed at the machines, an efficient eco-nomical service is obtained. One of the pits is fitted up with a wheel grinder,
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
