How to solve the elevator problem like Sofitel Hunter Hotel in Guiyang?

The elevator problem like Sofitel Hunt in Guiyang can be solved in three steps.

1. Two people are in the computer room, and the other two are on the top of the car. In the machine room, tap the traction rope with a hammer to let the people at the top of the car know which traction rope needs to be adjusted, and adjust the double nuts to make the tension of each rope almost the same.

2. After loosening the four corner contact bolts on the car, let them be naturally corrected, and then tighten them gradually.

3. Correct the verticality of the guide rail and the spacing between the two guide rails.