Handle lock installation:
1. The common lock hole of wooden door is about 1m away from the ground, which can be determined according to the actual height of family members（ When opening the handle lock hole, the hole must be in accordance with the drawing, neither large nor small, otherwise the actual installation will be affected.)
2. Adjust the direction of door handle and lock tongue according to the opening direction. After adjustment, put the lock body into the hole and fix it with screws.
3. Install the lock cylinder, put the lock cylinder into the square hole of the lock body, fix the two hexagon screws on the panel, rotate the lock cylinder, and observe whether it is smooth.
4. Test whether the handle lock can be opened normally for many times. It can be opened normally and locked reversely.