1. Draw lines to coincide the center of the rotating shaft of the floor spring with the rotating shaft of the door.
2. According to the instructions and abjects, holes are made on the ground. The size of holes should be tightly matched with the
floor spring shell, so that they can not be loosened.
3. Put the ground spring into the open and set it right.
4. Lift the door with the door clip and insert the rotary shaft of the ground spring into the rotary shaft hole of the door.
5. Adjust the screws of the ground spring in three directions to keep the door vertical and the axis of up and down rotation
6. Adjust the closing speed.
7. Cover the floor spring decorative cover.