We encountered an error while trying to save the changes. We've made a note of it, and we'll fix the problem as soon as possible.
Removing the brush/slip ring housing exposes the support ball bearings at the tail of the motor shaft.
The brass brush housing is connected to the pure carbon brush with a braided copper wire.
The carbon brushes normally wear out before the rest of the motor.
Your contributions are licensed under the open source Creative Commons license.