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Shoutout to the crew that caught a worn sheave groove before it snapped a cable
I was on a call for a noisy elevator in a 15 story building downtown last Tuesday. The noise was this high pitched whine on every trip. I pulled the inspection plate and saw the main sheave grooves were worn almost a quarter inch deeper on one side than the others. The crew before me just kept adding grease, which made it worse. If that groove had worn through, it would have started cutting into the cable strands. Has anyone else run into a case where the fix someone else tried actually made the real problem harder to spot?
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corar787mo ago
Exactly, @claire992, that grease just hid the alignment issue. You gotta check the sheave seat and bearings first.
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