International Library of Technology · Scranton, International Textbook Co. · leaf 22
or a piece of hard matter of anykind in its path is liable to nick a band wire, so that as soonas the machine is up to speed and heated, causing someexpansion, the band wire will break. As soon as the arma-ture is swung over its final position, the shaft is wiped offwith clean waste and served with… … Fig. 4. one of the rings and bend or break it. Where spiral bear-ings are used, care must be taken to put them on the shaftas the marks call for, otherwise the oil will be fed outinstead of in, and the box will run hot. All these pointsbeing looked after, the armature is dropped into place andgiven…
Electrical engineering
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