Electric drive motor – 1760

9.4.3 Cleaning

For correct functioning, it is important that the motor be kept as clean as possible. The motor and motor compartment must be checked regularly for dust, oil and other contamination.

If the motor windings and interior are dry, use a vacuum cleaner with a suitable nozzle to clean the motor. Compressed air can be used in combination with a vacuum cleaner. If so, the compressed air must be clean and dry.

If the windings have a coating, use a lint-free cloth, dampened if necessary with an organic and volatile cleaning agent that can dissolve grease but which will not damage the windings. However, the cleaning agent must not be used in such quantities that it enters motor parts.

Remnants of the cleaning agent must be removed with a suitable solvent, if it leaves an oily surface.

If the motor parts are badly soiled, it may be necessary to spray them with a solvent. It is especially important with the armature that the solvent is applied in such a way that dissolved dirt, etc. does not enter the motor section.

One method of cleaning the armature is to dip it in solvent. If this is done, the armature must always be heat dried. Good ventilation is necessary during drying which must continue until a number of insulation measurements give similar and approved results.