Pfaff hobbylock 4764 Owner's Manual - Page 16

Presser foot pressure adjustment The presser foot pressure is pre-adjusted for fabrics of medium (standard) thickness. Adjustment is necessary only when you work on very thin or very thick fabrics. Accordingly, sew thinner fabrics with less pressure and thicker fabrics with more pressure. Increase or decrease the pressure of the presser foot by turning the adjustment screw in the direction as shown. Tighten Loosen Thread tension adjustment Adjust thread tension to suit the type of fabric and size of thread used. As the number on the thread tension discs increases, the thread tension becomes tighter. 1 234 1. Correct tension Lower looper thread and upper looper thread should be well balanced with same tension (both looper threads should cross at the edge of the fabrics). Needle threads should not be too loose or too tight, but equally balanced tension. 14 Top side Underside