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Articles in Industry Publications

Performing a Single-Phase Rotor Test on an Assembled Three-Phase Induction Motor

  • May 2025
  • Number of views: 1169
Video

The video provides a comprehensive guide on performing a single-phase rotor test on a three-phase squirrel cage motor to check for open rotor bars.

Lubricating an Open Ball Bearing During Assembly of an Induction Motor

  • January 2025
  • Number of views: 5142
Video

This video shows the proper way to lubricate the deep-groove, open ball bearing before assembling a horizontal induction motor.

Seating Carbon Brushes on a DC Machine

  • January 2025
  • Number of views: 2616
Video

This video shows the proper procedure for seating carbon brushes in a DC machine.

Testing Interpole Polarity on a DC Machine

  • January 2025
  • Number of views: 4468
Video

This video will walk you through how to check the relative polarity of DC machine interpoles and the armature and correct it if necessary using a simple interpole polarity test.

Using an Induction Heater to Install Interference-Fit Bearings

  • January 2025
  • Number of views: 3825
Video

This video demonstrates the correct way to use an induction bearing heater to install an interference fit ball bearing on a machine shaft.

Adjusting End Play on Vertical Pump Motors

  • January 2024
  • Number of views: 6169
Video

This video walks through the steps to adjust and set end play on a typical vertical hollow shaft pump motor.

Measuring a Bearing Journal

  • March 2023
  • Number of views: 5855
Video

This video explains how to measure the diameter of a bearing journal accurately to within five hundred-thousandths of an inch or one-thousandth of a millimeter.

How to Measure Magnet Wire

  • March 2023
  • Number of views: 4421
Video

This video shows one step in collecting motor winding data: how to measure magnet wire.

Performing an Insulation Resistance Test

  • March 2023
  • Number of views: 10385
Video

This video explains how to check the ground insulation of an AC motor winding using the insulation resistance (IR) test.

How to Set Brush Neutral on a DC Machine

  • March 2023
  • Number of views: 7774
Video

This video shows how to adjust the brush neutral position of a DC machine to prevent sparking at the brushes at full load.