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AC/DC Motor Maintenance Library
Safety Resources, Inc. now offers a comprehensive list of online training resources. CLICK HERE TO GET STARTED and view course pricing, demos and register for online courses.
This library was designed for electricians, mechanics, and others, needing to know more about AC and DC motor maintenance. The library trains participants to understand, maintain, and test AC and DC motors. The library consists of twelve lessons.

  1. Records, Tools, and Instruments
    This is the second lesson in the iKNOW™ AC/DC Motor Maintenance Library. The lesson explains the purpose of keeping complete and accurate records using various record keeping formats. The lesson also identifies tools and instruments used for given tasks in motor maintenance.

  2. Preventive AC Motor Maintenance
    This is the third lesson in the iKNOW™ AC/DC Motor Maintenance Library. The lesson explains aspects of preventive motor maintenance, the steps in inspecting a motor for general maintenance and for identifying problems, and cleaning and lubricating a motor as part of a preventive motor maintenance program.

  3. Measurement in Preventive AC Motor Maintenance
    This is the fourth lesson in the iKNOW™ AC/DC Motor Maintenance Library. The lesson demonstrates the need for taking measurements, and the importance of comparing measurements. Causes and effects of current variations, temperature extremes, and vibration measurements are described.

  4. Preparing for Periodic AC Motor Maintenance
    This is the fifth lesson in the iKNOW™ AC/DC Motor Maintenance Library. The lesson identifies the characteristics of periodic motor maintenance and the major components of an AC motor. Instruction in testing winding resistance, and winding insulation resistance, as part of pre-maintenance testing is given.

  5. Motor Disassembly and Reassembly in Periodic AC Motor Maintenance
    This is the sixth lesson in the iKNOW™ AC/DC Motor Maintenance Library.

  6. Corrective Maintenance for AC Motors
    This is the seventh lesson in the iKNOW™ AC/DC Motor Maintenance Library. This lesson discusses causes and corrective actions for various motor malfunctions.

  7. Introduction to DC Motor Maintenance
    This is the eighth lesson in the iKNOW™ AC/DC Motor Maintenance Library. This lesson introduces participants to DC motors and compares them to AC motors.

  8. Commutator Inspection
    The ninth lesson in the iKNOW™ AC/DC Motor Maintenance Library, this lesson shows participants how to identify some problems that affect the commutator.

  9. Commutator Wear
    This is the tenth lesson in the iKNOW™ AC/DC Motor Maintenance Library. This lesson trains participants to recognize friction damage, streaking, threading, and grooving, the cause of these problems, and corrective actions.

  10. Brush Maintenance
    This is the final lesson in the iKNOW™ AC/DC Motor Maintenance Library. The lesson describes how to select and inspect brushes. The lesson identifies the procedures for cleaning, inspecting, and setting the height of a brush holder. How to seat brushes and adjust spring pressure is demonstrated.