AC Induction Motors

• Commutator surface wear caused by overloading, vibration, incorrect brush size or brush gear.
• Carbon brush wears leading to a build-up of carbon dust, commutator sparking and damage to the motor’s armature.
• Bearing failure, caused by insufficient lubrication, incorrect lubricant, misalignment, excessive vibration, shaft overload and overheating.
• Excessive motor vibration leading to carbon brush wear, winding faults, sparking and commutator damage.