Singer 1 One Instruction Manual 35 - Page 12

When the right looper thread lie on the underside of fabric. When the left looper thread appears on the top. When the needle thread tension is too loose. Left looper thread Needle thread Right looper thread Topside Left looper thread Right looper thread Needle thread Underside Topside Underside Right looper thread Left looper . thread Topside Needle thread Underside Turn right looper dial (orange color) toward the plus sign (+). Or, turn the left looper dial (yellow) toward the Minus sign (-). Turn left looper dial (yellow) toward the plus sign (+). Or, turn the right looper dial (orange) toward the minus sign (-). Turn the needle thread tension dial (green) toward the plus sign (+). Or, turn both right and left looper dials (orange and yellow) toward the minus sign (-). L Feed Regulator dial The feed regulator dial on this machine is pre-set to 3mm for normal sewing condition. Since the adjustment can be made easily, adjust the stitch length to 4mm when sewing heavy weight fabrics such as quilting and to 2mm when sewing light weight fabrics such as lining fabric, crepe, etc. and you will obtain excellent seams without puckerings. 10