dragonrescue
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x635 liked a post in a topic by dragonrescue in Elevator Rescue
Cap,
The procedure you are referring to pertains only to geared traction elevators. It will only stop the sheave (wheel) from moving, it will not stop the cables from sliding through the grooves of the sheave. I wrote an article for FireEngineering magazine(December, 2007 issue) that describes an incident that I was involved in where the cables slipped through the groves of the machine. This is a pratice that we no longer use.
Stay Safe
Mike Dragonetti