Installation, Maintenance & Service Practices

When tightening down a blower wheel or a fan blade on a motor shaft, ONLY tighten it on the flat of the shaft. If you have more than one screw but only one flat surface on the shaft, only tighten the one set screw. Also… Refrain from over-tightening set screws; they need to bite into […]

There was a story that came out recently based on an ASHRAE study performed by David Yuill from the University of Nebraska. The study appeared to indicate that condenser coil cleanliness makes no difference on system performance and efficiency. Those of us who have worked in the field know that coil cleaning matters because most […]

This article was written by up-and-coming young tech and new contributor Kaleb Saleeby. Thanks, Kaleb! Recently, I came across a work order description in my dispatch that made me scratch my head. Clean Salamander broiler I had to ask the omniscient Google for answers. It turns out it has nothing to do with vividly-colored, “fireproof” […]

Many of us are aware that X13 and Fully variable motor failure has peaked over the last few years, and I'm sure there are multiple reasons for that. One of the reasons is fairly simple and can be traced back to two simple installation and service practices that can be easily implemented. Seal all air […]