OTIS GEN2 elevator traction refers to the scrap basic standard of steel belt.
1. The design life of the steel belt is 20 years, which is 2-3 times of the traditional steel wire rope. It is recommended to conduct a comprehensive appearance inspection of the steel belt at least once a year during the design life cycle of the steel belt.
2. If there is no abrasion or damage to the steel core in the cladding layer and the steel belt real-time monitoring alarm device without abnormal alarm, then the steel belt will be recommended to be scrapped after 20 years of use.
3.Such as found in the routine maintenance of steel belt real-time monitoring alarm device has the abnormal alarm but did not stop running , need to check the steel belt monitor alarm device whether it is abnormal. If the belt monitor alarm device itself without exception, we suggest replacing the steel belt immediately.
4. If the steel belt monitor device alarming in real time and the elevator stop running. We should scrap and replace the steel belt immediately if the elevator does not re-serve in any way.
5. One of the following situations should be forced to scrap and replaced.

Steel cords breaking through polyurethane.

Wear marks, visual signs of cord imprints from exterior.