The following are the specific steps to replace the lock cylinder:
1. Unscrew the two screws on the upper and lower sides of the hand panel.
2. Unscrew the screws on both sides of the lock cylinder sleeve.
3. Remove the lock cylinder anti-theft sleeve.
4. Remove the old lock cylinder.
5. Install the lock cylinder anti-theft shell before installing the handle.
6. Install and close the inner and outer handles, and it is best for someone to hold the outer handle.
7. Adjust the inner and outer handles, align the screw holes with the nuts over there, and then screw the screws after the light is accurate.
8. Insert the screw and tighten it.