Where to change the lock cylinder of the anti theft door cross key?

1. Unscrew down the two screws on and below the pull handle panel; >>>More

It's quite simple to change the lock cylinder of the anti-theft door, just a diagram.

When looking for the lock first, let the master use the insert to insert the door lock (the insert unlocking is not to hurt the door lock anything) to open the door and then replace the lock cylinder, so that the damage to the door lock and the door is small, and the price of changing the lock cylinder is not very expensive, in addition, it is recommended that you have better change the door lock of the password lock fingerprint lock to avoid losing the key and not opening the door.

Nothing difficult; Locks only change the lock cylinder economical and trouble-free, to the lock shop to take out the original key, the boss will recommend to you that your current lock is suitable for the replacement type of lock cylinder quality and price, after buying, install the tool to prepare the wire cutter, change the knife, remove the lock box on the 4 corners of each screw, with the change knife handle outward ejection out of the lock cylinder, the new lock cylinder deadbolt is longer than the old one, there is a scale on it, the same length as the old one, fold the long part with pliers. Install the lock cylinder from the outside of the door to the inside, and then use the flat hole in the lock box to cover the lock cylinder, restore the lock box to its original position, put on the 4 corner screws, try whether the key and lock are flexible, pay attention; Don't lock the door first, close the lock first, pop out the deadbolt, and then turn it with the key, and the switch is flexible.

The replaced cylinder comes with a matching key and does not need to be replaced. >>>More