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Hot take: the day the coolant pump died on a 48 part run taught me more than my first 3 years on the floor
Back in 2019 at the shop on 8th Street, I had a Tuesday that started with the coolant pump dying halfway through a 48 piece run of aluminum brackets. No warning, just the pump whining and then nothing, and chips piling up dry while I stood there smelling hot metal. I hit the e-stop, pulled the parts, and checked every one with a mic because I was sure I'd scrapped the second half from heat. Turns out I only lost 3, which felt like a gift, but the real thing was the old guy who ran the lathe next to me. He walked over, peeked at my coolant tank, and said the screen had been half plugged for weeks and nobody logged it. We spent the rest of the day flushing the tank and swapping the pump, and I got a lesson in checking the dumb basic stuff before assuming the machine died on its own. These days I check that screen every Monday morning out of habit. How often do you all pull the coolant screens on your machines, or is that something you leave for when the pump starts sounding off?
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