How to install the bedroom door lock from China manufacturer inside? Let's have a simple understanding together!
1. Determine the direction of opening the door. Generally, the door has 4 opening directions, namely left outer, left inner, right inner and right outer. Confirm the direction of the door before installation to avoid reverse installation.
2. Adjust the positive and negative positions of the oblique tongue according to the opening direction. Some products have the function of reversing left and right. Change the direction of the oblique tongue according to the following steps, and then switch the inner and outer sets of wrenches to reverse the direction.
1. Turn the lock body upside down, so that the oblique tongue positioning piece leaves.
2. Easily push the oblique tongue into the space position, turn it 180 degrees to release it, and change the direction when it is restored.

3. Special device handle replacement
Make a width, height and depth in the door thickness according to the size of the lock body hole marked with different models. In addition, dig a panel hole according to the height dimension (3MM) of each panel, and require the panel to be flush with the door. The position of each hole shall be dimensioned according to the drawing, and shall not be arbitrarily changed or skewed.
The above is an introduction to the internal installation knowledge of bedroom door lock from China manufacturer.