2. Remove the original door leaf: When it is determined that the door frame is dead, it is necessary to unscrew all the door leaf screws with a screwdriver. Then, take off the door leaf easily, and be careful not to damage the connecting wire.
3. Install the door frame: patch the nail on the front of the door frame and fix the door frame in its original position. According to the size and model of the door frame, the top and bottom of the door frame need to be fixed with screws to facilitate the installation and fixation of the door leaf.
4. Install the door leaf: Push the door leaf into the door frame to ensure that it can slide easily. Adjust the door leaf to level, and then start the installation. Install a supporting locking device on the outside of the door leaf, and then fix the door leaf on the door frame.
5. Check and adjust: Finally, carefully check whether the door leaf is stable and whether the switch is smooth. If fine adjustment is needed, you can adjust the position of the door leaf with tools such as steel ruler, cloud board and hammer to ensure that it will not touch the ground or other objects.
Precautions:
1. Before installing the door leaf, it is necessary to confirm whether the position of the door frame is correct and whether the size and material of the door leaf match.
2. Appropriate tools must be used, and screws and nuts that are too big or too small cannot be used.
3. When installing, you must read the instructions carefully and make sure to follow the instructions in the instructions.
Wear gloves and goggles to protect your body and eyes from accidental injuries.
5. Only professionally trained maintenance personnel can carry out installation and maintenance, especially the electrical parts should be installed by professionals.