Problem is more than likely that the plastic brush holder got hot with continuous use and the brushes n longer slide smoothly in their housing. Sometimes they even twist a little. The only solution to this is to replace the brush holder-variable switch assembly. DH
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Problem is more than likely that the plastic brush holder got hot with continuous use and the brushes n longer slide smoothly in their housing. Sometimes they even twist a little. The only solution to this is to replace the brush holder-variable switch assembly.
DH
Motor burn out or check wireing