Loosen the central retaining screw (usually located on the edge of the door, in line with the latch). Insert the old key, turn 10-15 degrees, and pull the cylinder out.
The "Multikey 1822 Top" refers to a premium-grade, multi-functional key blank and cylinder system, typically associated with European high-security locking mechanisms. The term "Multikey" denotes a system capable of operating multiple locks (Master Key Systems), "1822" usually indicates a specific profile series or a patent number, and "Top" signifies the highest security tier within that product family—often featuring anti-pick, anti-drill, and anti-bump technologies. multikey 1822 top
Slide the cylinder into the door’s bore. Ensure the cam engages with the latch mechanism. The retaining screw hole should be visible. Loosen the central retaining screw (usually located on
Insert the included "Top" key into the new cylinder. Turn it so the cam (the rotating part that moves the latch) is in the neutral position. The term "Multikey" denotes a system capable of
Tighten the retaining screw (do not over-torque). Remove the key, re-insert it, and test the lock 5-10 times. The key should rotate smoothly without grinding.
But what exactly is it? Is it a cutting-edge smart lock? A heavy-duty industrial key? Or a specialized component for high-security access control?
| Feature | Multikey 1822 Top | Medeco M3 | ASSA Twin 6000 | Abloy Protec2 | | :--- | :--- | :--- | :--- | :--- | | | Dimple | Angular pin | Side bar + Finger pins | Rotating disc | | Anti-Pick Rating | Very High | Maximum | Maximum | Maximum | | Key Control | Restricted | Patented | Patented | Patented | | Average Cost | $$ | $$$$ | $$$ | $$$ | | Availability | Europe, Asia | USA, Global | Global | Global | | Ease of Key Duplication | Locksmith-only | Factory-only | Factory-only | Factory-only |