The manufacturer of anti-theft locking device tells you that anti-theft doors are of great significance to protect our family property and personal safety. However, the use of anti-theft locking device for a long time will inevitably cause some problems and we need to replace them because of the importance of anti-theft doors. , So we also need special attention when replacing the anti-theft door lock core. Then the anti-theft locking device manufacturer will introduce to you the replacement method of the anti-theft locking device.

How to change the anti-theft door lock core:
1. Unscrew the two screws on the lower hand and prepare a Phillips screwdriver to complete.
2. Do not tighten the screws too tightly during installation, otherwise the anti-theft door handle is too tight and cannot be opened.
3. Remember the steps when disassembling, and put all the unloaded things together.
4. Remove the screws by hand and try again.
5. The manufacturer of anti-theft locking device tells you to insert the safety plug before installing the handle, and then install the handle.
6. Install He Long internal and external handles, and then continue to the next step.
7. Adjust the inner and outer handles, the screw holes should be aligned with the nuts, and then rotate the screws.
8. Insert the screw vertically to avoid misalignment of the nut.
9. The manufacturer of anti-theft locking device tells you to pay attention to the screws not too tight.
10. The anti-theft locking device manufacturer tells you to keep the door open and try again. You can do it manually when everything is normal.