1. Turn on the sewing machine and remove the pressure adjustment button.
2. * Expose the presser foot bar, raise the wrench, loosen the screw located in the middle of the presser foot bar, and adjust the required height.
3. Tighten the screw in the middle of the presser foot bar just now.
4. Install the pressure adjustment button and turn off the sewing machine. Of course, the presser foot lever must not be misaligned.
