1、拆除锁面板2、按图示尺寸，先用φ5硬质合金钻头预先打孔，再用φ16

1, removal of the lock panel <br>2, according to the icon size, φ5 carbide drill with the first <br>pre-perforated, and then the φ16 carbide drill reaming, <br>drilling depth 22-25mm <br>. 3, with iron bars of appropriate size, by drilled holes, tapping the illustrated <br>bolt of the lock body, it is knocked off, and then turn the handle to open <br>the door

1, remove the lock panel<br>2, according to the illustrated size, first with the use of 5 carbide drill<br>Pre-punching, and then expanding the hole with a carbide drill of 16,<br>Punch depth 22-25mm<br>3, with the right size of iron rod, through the drill well hole, knock on the illustration<br>Lock the tab, knock it off, and turn the handle to open<br>Door

1. Remove the lock panel<br>2. According to the size shown in the figure, first use φ 5 cemented carbide drill<br>Drill holes in advance, and then use a φ 16 cemented carbide drill to enlarge holes,<br>Drilling depth 22-25mm<br>3. Using a suitable size iron bar, tap the figure through the drilled hole<br>Knock down the locking tongue of the lock body, and then turn the handle to open it<br>door<br>