What is the installation method of the anti lock knob of the anti theft door ?

Open the two screws on the inside handle of the door, then remove the handle or install a new handle.

Some door locks take into account the problem of anti-theft, and add the anti-theft design when designing, the general door lock can not be opened at will indoors and outdoors after the anti-lock, most of them need to be reversed for a week to unlock this is normal, but it is not absolutely like this, you can repeatedly try to find the law or consult the anti-theft door instruction manual to know the trick.

The manual safety is opened, and the door can not be opened, you must use the key to rotate, open the manual safety, and then use the key to open the door, after you see that the lower pressure handle is the top of the door lock, the deadbolt can not go back, if you do not return to the two screws that fix the lock handle to open the middle of a connecting rod to put on.

Install the safety knob inside the handle, open the two screws on the handle on the inside of the door, and then remove the handle or install a new handle, (the knob is brought on the handle,) insert the small iron piece inside the safety button on the handle into the corresponding lock body hole before installation, and then directly press the handle to settle the screw.