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How to change the door lock cylinder

1. Unscrew the two screws at the top and bottom of the handle panel;(lock cylinder)

2. Unscrew the screws on both sides of the lock cylinder sleeve;(lock cylinder)

3. Remove the anti-theft sleeve of the lock cylinder;(lock cylinder)

4. Remove the old lock cylinder;(lock cylinder)

5. Install the handle after installing the lock cylinder anti-theft shell;(lock cylinder)

6. Install and close the inner and outer handles, and the outer handles should be pressed and held;

7. Adjust the inner and outer handles, align the screw hole with the nut on the other side, and rotate the screw after the light is aligned;

8. Insert and tighten the screws.