Installation process of anti-theft door?

1. Measure the portal, the best portal larger than the door about 1.5 CM (easy to adjust)

2. Insert the door into the door hole, adjust the left and right vertical, the door should not grind the fan, do not walk the fan, do not fall off the fan.

3. Fix the top expansion bolt on the hinged side first, and use the key to test whether the reverse locking points are all in place.

4. Then fix the corresponding screw on the other side of the lock, one on the other side, don't fix the other side first. It's better to test the reverse lock without punching a screw, so as to avoid the vibration of the hammer when punching the hole affecting the original position of the door.

5. Make sure that the door is locked properly. Finally, tighten the expansion screw with a sleeve wrench. When tightening, one screw should be tightened on one side to avoid the screw pulling the door frame off.

6. Cover screw hole plastic cover, upper handle. Attention should be paid when installing handle. If it is double fast lock, there are two relatively short square pins. Don't drop them into the door. It's not good.

Key words: Tianjin anti-theft door manufacturer, Tianjin non-standard door manufacturer

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