A textbook on the locomotive and the air brake (1901)
International Correspondence Schools · Scranton, Pa., International textbook co · leaf 196
heywill spark badly. To fit new brushes to the commutator, takea strip of No. 0 sandpaper about \^ inches wide, slip it betweenthe commutator and brush with its rough side toward the brush, §14 THE Er.ECTRiC HEADLIGHT. 11 and then move it to and fro, as shown in Fig. 5, until the brushhas been… … on a board of the proper size, start the dynamo running andthen work the sandpapered board as you would a file, holding itlevel on the moving commutator. Do not attempt to just usethe paper itself or to hold the paper with the fingers, as thistreatment will probably do more harm than good.…
Locomotives · Locomotive boilers · Railroad cars
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
