Pfaff 90 Owner's Manual - Page 19

OR 046 Z9 a,in U tk 73i'66mn A Hold needle thread lightly in your left hand. Turn balance wheel toward you until the needle moves once down and up again. Lightly pull needle thread to draw bobbin thread up through the needle hole. Place both threads back under the sewing foot. Ci,e 'Zeniu,n 7 9 u(aac cn Balanced tensions ore essential for sewing. If your tension is correct, you will have perfect seams as sketched below (Ill). Sketch I - The threads interlock on the underside of the fabric. Cause: Upper tension too loose or lower tension too tight. Sketch II - The threads interlock on the surface of the fabric. Cause: Upoer tension too tight or lower tnsion too loose. Ii III 16 I. w