Singer 1 One Instruction Manual 38 - Page 30

* When the lower looper thread is too loose - Turn the lower looper thread tension dial (yellow) toward a higher number. - Or, turn the upper looper thread tension dial (orange) to a lower number. * When the needle thread is too loose - Turn the needle thread tension dial (green) to a higher number. Needle thread Upper iLoper - thread Topside Lower looper thread Underside Upper looper thread Topside N 'Lower looper thread Needle thread Underside • ADDITIONAL INFORMATION ABOUT ROLLED HEMMING * Hold the thread chain when you begin sewing to keep it from curling into the seam. * Place a slight tension on the material in the sewing direction and a finer seam finish can be obtained. * The minimum overedge stitch width that can be obtained for rolled hemming is approximately 1.5 mm (1/16 inch) since the cutting width cannot be set below 3.5mm (9/64 inch). • TO SECURE THE ROLLED HEM THREAD CHAIN * Apply a small drop of liquid seam sealant to the end of the seam. Allow to dry, then cut the chain close to the stitches. Note: Test the liquid seam sealant for color fastness before use. 28