On machines where double brush holders are used, set the face of the holder tangent to the commutator at a point midway between brushes. Proper setting ... as rapidly as it appears with a piece of dry canvas or other hard, non-linting material wound around a block. ... Check the connections and make certain that the commutating field or any part of it is not reversed, and that no main spool is reversed. 3.
|Author||:||Factory (New York)|