Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 153
ll finished surfaces about the machine. The bearingsshould be carefully examined to see that their bearing surfaceshave not been bruised or roughened. Should such defects showup, the bearings should be scraped by an experienced macJiinist.If the bearing surface of the shaft has become bruised or… … Fig. 6. Proper Rigging for Handling Armature Showing Wood Spreader toProtect Windings grade of dynamo oil. The field frame should be set so as to obtaina uniform air gap all around. Brushes and Commutator on D.C. Machines. In the case ofa direct-current machine the accurate spacing and setting of…
Electrical engineering
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