How to fix the loose lock cylinder cap inside and outside the anti theft door

If the lock cylinder cap inside and outside the anti-theft door is loose, it is best to remove it and reinstall it.

The lock cylinder inside and outside the anti-theft door to reinstall the steps:

1. Disassemble the inner and outer handle panels: the screws are installed on the inner handle panels, one on the top and one on the bottom.

2. Open the inner and outer lock cylinder covers: screw into the lock cylinder covers in the house, which are the keys on the left and right sides.

3. Remove the lock cylinder positioning screw: The lock cylinder positioning screw is on the door side, in the middle of the lock tongue, and the height of the lock cylinder is the same. The thickest one.

4. At this time, it can be taken out from the old lock cylinder: the old and new lock cylinders can be replaced.

5. Before installing the new lock cylinder, add a small amount of special lubricant to the new lock cylinder. Turn the key a few times.

6. The lock cylinder positioning screw must be tightened to prevent the screw from loosening in the future.

7. Do not tighten the screws of the lock cylinder cap too tightly to prevent it from being clamped and not easy to unlock.

8. When installing the inner handle plate, there is a safety bolt at the bottom, which should be inserted into the corresponding safety bolt hole.

The lock cylinder cap is still loose, otherwise how can the key turn the lock cylinder conveniently.