Replacing dynamo brushes
Undo the screws holding the brush cables. The carbon brushes are a sliding fit in oblong holders on the dynamo endplate. Coiled springs bear against the tops of the brushes to hold them in contact with the commutator. Each brush also has a braided wire or cable attached by a screw. The cable from one brush leads to earth, and that from the other to the dynamo output terminal. Undo the screws holding the cables, push the ends of the coiled springs to one side of the brush holders, and…
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