1. Pay special attention when installing the spherical door lock. Only the end with the insurance can be removed before installation. Never remove the end with the key for installation. It is best to read the instructions carefully before installation.

2. Pay attention to the installation of the handle lock: if the left and right open are interchanged, the handle cannot be lifted up when opening the door, because the middle and high-end handle locks currently on the market have the function of left and right interchangeability, so you don’t need to consider it when buying. Door opening direction.

3. When installing the handle lock and the spherical door lock, use the one-to-one installation manual designed by the original factory.

4. After the door lock is installed, when the door is painted, the door lock must be removed to prevent the exposed parts from being stained with paint, because the protective film of the lock will inevitably be destroyed when the paint is removed.

5. During construction, in order to protect the door lock, it is not allowed to wrap the exposed parts of the lock with tape (including masking paper), otherwise the protective film on the surface of the door lock will be damaged after disassembly.