Singer 1 One Instruction Manual 33 - Page 13

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. L looper thread Needle thread R looper thread Topside L looper thread Underside R looper thread Needle thread Topside Underside R looper thread L looper thread Topsid 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 (blue) toward the plus sign (+). Or, turn both right and left looper dials (orange and yellow) toward the minus sign (-). 6. How to adjust stitch length 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. SINGER 11