Introduced by the Otis Elevator Company, the Gen2 elevator revolutionized vertical transportation by replacing bulky, traditional braided steel wire ropes with flexible, polyurethane-coated flat steel belts. This allowed for a much smaller bending radius, eliminating the need for a massive overhead machine room.
When technicians or building owners refer to a "scratch" on a Gen2 system, they are not typically talking about a surface blemish on a decorative panel (though that occurs as well). In a professional context, the term usually pertains to three distinct areas where material is being unexpectedly worn away or gouged by contact with foreign objects or misaligned parts: the coated steel belts, the guide rails, and the door operating mechanisms. otis gen2 scratch
If cleaning fails:
A full "door track and hanger audit" should be performed annually. If a door panel is sagging, it will eventually scratch the neighboring panel. Using a feeler gauge to check the gap between telescopic doors is essential. The same goes for the roller guides; a laser alignment tool is often required to ensure they are running truly parallel to the rail face. Introduced by the Otis Elevator Company, the Gen2
Determine the direction of the metal grain (usually vertical). In a professional context, the term usually pertains