Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 218
rebrushes require a little more attention. When their position on thecommutator has been well adjusted and looked after, so that little or nosparking has taken place, it is generally only necessary to wipe them, cleanthe brushes and clip off the fringed edges and corners with the shears,or a pair… … Fig. 710.—Bistell brush gear. The brushes are held in the brushholders radially and workequally well with armature running in either direction. Brushes can be renewed andadjustment made while machine is in operation. A convenient method of trimming carbon brushes, or of bedding acomplete new set of…
Electrical engineering
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