In article . com,
Alan wrote:
A dirty commutator is also possible but unlikely. Cleaning it with a
little light emery paper and gently cleaning out between the segments
is an easy task.

My 'book' says never to clean commutators with emery as particles can
embed themselves in the copper. Glass paper is said to be the definitive.
Personally, I use wet or dry.

--
*Nostalgia isn't what is used to be.

Dave Plowman London SW
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