Singer 1 One Instruction Manual 38 - Page 23

• SUGGESTED TENSION SETTINGS FOR THE 3 THREAD OVERLOCK STITCH Note: * These are suggested tension settings only. * Tension settings are effected by 1) Type and thickness of fabric 2) Needle size 3) Size, type and fiber content of thread. Left Needle/Wide 3 Thread Overlock Stitch Fabric Light weight Medium weight Heavy weight Blue 3 4 5 Tension Dial Green Orange Yellow 1 2 1 2 1.5 2.5 Right Needle/Narrow 3 Thread Overlock Stitch Fabric Light weight Medium weight Heavy weight Blue Tension Dial Green Orange Yellow 3 1.5 2 4 1.5 2 5 2 2.5 * CORRECT BALANCE OF THE 3 THREAD OVERLOCK STITCH Upper looper thread • HOW TO BALANCE THE 3 THREAD OVERLOCK STITCH * When the upper looper thread lies on the underside of the fabric Turn the upper looper thread tension dial (orange) to a higher number. Or turn the lower looper thread tension dial (yellow) to a lower number. * When the lower looper thread appears on the top - 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 tension dial (blue or green) to a higher number. Needle thread Topside Lower looper thread Underside Needle thread Upper looper thread Topside Lower looper thread Lower looper thread Underside Upper looper thread Topside Needle thread Underside Upper looper thread Lower looper thread Topside Needle thread Underside 21