Routine Operations Checklist for Electric Motors
Keep the motor free from dirt or moisture.
Keep the operating space free from articles
that may obstruct air circulation.
Check regularly for these unusual
conditions. Report any irregularities to the
plant superintendent for correction by the
Unusual noises in operation
Motor fails to start or to come up to
Continuous or excessive sparking at
Sparking at brushes
rubber buffers or pins
Smoke, charred insulation, or solder
whiskers extending from armature