Measurement in Preventive AC Motor Maintenance

Train in the need for taking measurements, and the importance of comparing measurements.

Prerequisites

Review of the lessons, Introduction to AC Motor Maintenance, Records, Tools, and Instruments and Preventive AC Motor Maintenance, is recommended.

Description

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.

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. Explain the causes of current variation in an AC motor. Take temperature measurements in preventive motor maintenance. Explain the causes and effects of excessive temperature in an AC motor. Take vibration measurements in preventive motor maintenance. Explain the causes of vibration in an AC motor.