Now it's time to clean the rest of the motor. I try to remove as few parts as possible, so I didn't undo any of the electrical components. Remove as much grime as possible. I use cotton wrapped around a pick and dipped in alcohol to clean out the slots where the carbon brushes go. Again, be careful of the wire coils that go to the fixed magnets on the sides of the housing.
Don't forget to clean the small parts--motor pulley, washers, and the carbon brushes. You can use alcohol on the carbon to get the grime off. Again, this is a messy job. A note of caution, alcohol can hurt the finish on the outside of the motor. Be careful and use something else to clean these parts.
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