. Electric railway journal . and to its amendment by Chap. 169, Laws of 1909; R. R. Amend. refers to Amendments by Chap. 189, Laws of1909, and P. U. to the proposed Public Utility amendment by billjust passed by the N. T. Legislature. April 2, 1910.] ELECTRIC RAILWAY JOURNAL. 629 LATHE ATTACHMENT FOR BORING AND FACINGARMATURE BEARINGS Many electric railway shops do not realize how much thelife of an armature bearing can be lengthened if it is properlyfaced and bored when first placed in service after the bearings are put into the lathe for centering and of course, can be c
. Electric railway journal . and to its amendment by Chap. 169, Laws of 1909; R. R. Amend. refers to Amendments by Chap. 189, Laws of1909, and P. U. to the proposed Public Utility amendment by billjust passed by the N. T. Legislature. April 2, 1910.] ELECTRIC RAILWAY JOURNAL. 629 LATHE ATTACHMENT FOR BORING AND FACINGARMATURE BEARINGS Many electric railway shops do not realize how much thelife of an armature bearing can be lengthened if it is properlyfaced and bored when first placed in service after the bearings are put into the lathe for centering and of course, can be carried out for other sizes. As the drawingis so complete it is not necessary to explain every detail, but alittle advice on a few points may not be out of place. Piece must be fitted after the rest is assembled and the thickness willhave to be planed until the threads will come in position to setthe jaws in the correct center. To do this right it is best totake a 3-in. or 4-in. truing shaft, place it between the centers. —i- mm i - ^ ■111
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