. Electric railway journal . CRANE truck is in motion. If it is desired to use the truckon work not requiring a winch the mast or column maybe unpinned and lifted out of the base castings and theentire base may be covered by temporary the column and winch in the usual position, loadsmay be pulled up over the rear of the truck by directpull from the winch, without the use of the boom. Jig Facilitates Drilling of Bearings THE accompany-ing pictureshows a jig used inthe shops of the DesMoines (Iowa) CityRailway for locatingthe dowel pin holesin axle bearings. Thebearing to be drille
. Electric railway journal . CRANE truck is in motion. If it is desired to use the truckon work not requiring a winch the mast or column maybe unpinned and lifted out of the base castings and theentire base may be covered by temporary the column and winch in the usual position, loadsmay be pulled up over the rear of the truck by directpull from the winch, without the use of the boom. Jig Facilitates Drilling of Bearings THE accompany-ing pictureshows a jig used inthe shops of the DesMoines (Iowa) CityRailway for locatingthe dowel pin holesin axle bearings. Thebearing to be drilledis merely tightenedup in the jig withthe two screws shownand a drill run downthrough the holesprovided in the scheme assuresthe accurate location of the dowel pin holes and the jigmay be placed in position and removed very is necessary to have a different jig for each class ofbearings, and care must be taken to see that the jigsare made to fit perfect bearings to start with, otherwiseinaccuracies BEARING JIGS FOR LOCATINGDOWEL PIN HOLES Handy Ground Clamp for Electric Welding THE accompanying illustration shows a form ofground clamp used by the Easton Transit Companyfor attaching ground wires to electric welders, grind-ers and other apparatus used on the lines. It has beenfound of great convenienceand its simple constructionmakes it available for useby any railway. The clamp is made froman ordinary strap hingebent as shown. Two are drilled at F, anda K-10 controller spring ispassed through these and isheld in place by two welded in place. Theends of the hinge are cutoff and sharpened at E andsuitable handles made of«-in. iron pipe are shapedand welded to the upperportion of the hinge. If it is desired to insulate these handles a piece of rubberhose may be slipped over them. The wire which formsthe electrical connection is attached to the hinge by ai-in. stove bolt and washer. This form of clamp can be quickly applied to andrem
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
