Mike PleziaInside service technician, Clark Associates · Commercial Equipment, HVAC, and Refrigeration professional

I❤️Preventative Maintenance

24 Mar 2026 · 1 min

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1:10

In this instructional monologue aimed at early‑career tradespeople, the speaker argues that preventive maintenance (PM) is the essential first lesson for any new technician. Rather than treating PM as a checklist, he frames it as a mindset of caring for equipment to keep it operating as designed. He explains how gradual issues—dirty coils reducing airflow, dry bearings increasing friction, and heat buildup causing component failure—accumulate over time, and how routine cleaning, lubrication, and inspection reset these conditions, restoring reliability without part replacement. The speaker urges listeners to be passionate about PM, positioning it as a hallmark of a true technician and encouraging them to pass this knowledge on to others.

Chapters

If you're new to the trades, here's something nobody tells you about preventive maintenance. It's where we all start. It's where you do a lot of your early learning, and you should really be passionate about it. See, it's not just about checking off a bunch of boxes on a checklist. Instead, it's about giving that machine the chance to do its job properly. When coils get dirty, airflow drops. When bearings run dry, friction increases. When heat can't move, parts start failing. And none of that happens all at once. It happens slowly. Preventive maintenance resets those conditions. You clean it, you lubricate it, you inspect it, you bring it back to the state it was designed to operate in. And when you do that, That machine becomes reliable again, not because you replaced parts, but because you cared enough to prevent the failure in the first place. That's what real technicians do, and that's why you should be passionate about your PMs. Now you know, and now you can help someone else know.