Course Overview

This course was designed to provide training for electricians, mechanics, and others, wanting to know more about AC and DC motor maintenance. This course consists of 12 interactive, on-line lessons that address AC and DC motor maintenance.

Module Overview

This is the fourth lesson in the AC/DC Motor Maintenance Course. 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.

Module Objectives

• Explain the need for taking measurements in preventive motor maintenance.
• Explain the importance of comparing measurement readings.
• Take current measurements in preventive motor maintenance.

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