Precautions for installation of opening and closing machine:
1. During installation, the foundation of the base should be firm and flat, leaving a position for the foot screws. After the opening and closing machine is in place, it should be leveled and poured into shape.
2. First, wrap the steel wire rope around the balance wheel, with the rope length evenly distributed on both sides. Then, wrap the steel wire rope around the pulley assembly and fix both ends at the end of the drum.