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I finally stopped chasing phantom door leveling issues on a 6-stop in Austin
Turned out the hall door rollers were just gummed up with 15 years of grease and dust, not a bent rail like I assumed. Anyone else skip the simple clean first and waste half a day before checking the obvious?
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sanchez.mary3mo ago
36B on an old Otis, same damn thing last month.
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james_ramirez3mo ago
You been hearing that grinding noise too? Those old Otis cars just keep eating 36B boards. Had the same problem in a building I service. Check the door lock contacts, they get corroded and short out the board. That's what was killing mine.
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