Wang Li's old security door wants to change the lock core, how to remove the lock core. ? Like this,

lock cylinder

safety lock

Step: 1. Lock Changes (Overall)

Remove the original place, don't think about it, just twist it when you see it, and I don't need to teach you how to twist it; Counting, only 20 small parts were dismantled.

2. the first thing to install is the fastest part a, which is a bit like a hard disk. There are many organs in it, so you don't need to know, just pay attention to the upper and lower hooks. B. Looking inside from the cross section, there are two shaking things, one above and one below, each with a mouth. The two hooks of this A must be hung into two mouths, so that the upper and lower door locks can be controlled by linkage.

3. Next is the last cuboid, just insert it directly, just twist the lock tongue to control the entrance and exit.

4. Lock the lock cylinder and put it in. At this time, you can try to unlock and lock with the key. Generally, there are no mistakes. Parts E 1 and E2 are paired, cover the lock cylinder D, and install two screws to fix the lock cylinder.

On both sides of the door handle, there are also door handles. Port C 1 should be aligned with part c, and the locking tongue can be controlled by twisting. After closing, fix it with two screws.

5. Upper baffle, this is very simple. Press upward, and the lock tongue can handle the position normally and correctly. Just lock it with screws. To successfully complete something