When you get the call, “The motor won’t start,” you’d best have a logical and systematic plan in place to approach the problem. “Easter egging” just doesn’t work unless you happen to be very lucky!

Motors make the HVAC world go ‘round — or, at the very least, in the HVAC business, they make the air go ‘round. And while some motors last for many years without any issues, others stop working ...

In nearly 40 years of continuousMustang Monthlypublishing we’ve seen countless full-scale restorations that just don’t work the way they should. They look great, but they just don’t operate as Ford ...

Electric bikes (e-bikes) offer a fantastic alternative for eco-friendly commuting and recreation. However, they can encounter issues over time, like any piece of machinery. This troubleshooting guide ...

Bipolar stepper motors are used in many applications, from driving paper through a printer to moving an XY stage in industrial equipment. Typically, the motors are driven and controlled by inexpensive ...

Just as fractional horsepower gearmotors freed factories in the 1920s from their cumbersome, inefficient, and unreliable overhead “networks” of shafts and pulleys connected by leather belts, today’s ...

For the PDF version of this article, click here. More than 80% of the motors bought each year continue to be low-cost single-phase ac motors. Because these motors are not very efficient when ...

In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...