Home-farm power and lighting, a book of helpful instruction on the installation (1920)
Cincinnati, American automobile digest · leaf 119
and Lighting. dust and dirt will cause the commutator to be-come dirty. This is particularly true when thecommutator becomes oily or greasy. The commutator should never be oiled and itshould be kept perfectly clean at all times. Aboutonce a month the end cover over the brushesshould be removed, and… … Fig. 69. Method of cleaning commutator. The brushes should always press firmly against-the commutator, as it is very essential that goodcontact be maintained. Poor contact, due toweak springs or brush arms not moving freely,or badly fitting brushes, will cause decreasedefficiency. Occasionally lift…
Electricity in agriculture · Electric lighting · Internal combustion engines
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