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Visible "shadows" or imprints of the steel cords on the belt surface indicate significant wear or material aging.
A scratch often occurs if the brake does not fully open.
The industry generally classifies belt damage into four escalating categories relevant to "scratching":
During maintenance or modernization, belts can be dragged across sharp metal edges of the beam or hoistway structure, leaving deep gouges.
Prevent the scratch before it starts with this schedule:
Q: Can I purchase additional accessories or replacement parts for the Otis Gen2 Scratch? A: Yes, Otis Technology offers a range of additional accessories and replacement parts for the Gen2 Scratch, making it easy to customize and maintain the system.
The Gen2 offers a range of aesthetic options, though critics often note that the "beauty" of the cab depends more on third-party interior providers than on Otis itself.
If a scratch exposes the steel core to oxygen and moisture, the steel begins to rust. Rust expands, cracking the surrounding polyurethane further. This causes a "domino effect" known as , where large chunks of the coating peel away from the steel. The official scrap standard defines this as "visible traces of steel core on the outer surface."
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