International Library of Technology · Scranton, International Textbook Co. · leaf 438
from a careful observation ofworn-out wheels; some wheels wear out most in one placeand some in another; the same make and shape of wheelwill wear differently on different branches of the sariie road.If both flanges of the wheel persist in getting sharp, itindicates that the groove is too deep or… … much stress cannot be laid on the importance of getting thepole so adjusted that Avhen it is in its normal position, thetrolley wire rests on the bottom of the groove and runs par-allel to the flanges. Fig. 6 shows a trolley wheel; a is theflange; b, the groove; c, the bushingor bearing; d, the…
Electrical engineering
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