Adjustment of the anti-feeding cloth of the feed dog of the sewing machine

1. Turn over the sewing machine. There are three cross bars above the bottom of the sewing machine. The bottom one is for the front and back movement of the teeth, the middle one controls the movement of the shuttle, the upper one is for the high and low movement of the teeth, and the upper one On the top (left, near the shuttle bed), there is a part on the crossbar. There is a small screw on the part. After loosening, the tooth height can be adjusted. There is a part for adjusting the feed dog on the left side of the horizontal axis.
2. Loosen the screws on the top, adjust the height of the teeth, and fix it (the feeding teeth are about 2 mm higher than the needle plate when the feeder is the highest).