Singer 1 One Instruction Manual 38 - Page 22

• SUGGESTED TENSION SETTINGS FOR 4 THREAD OVERLOCK MOCK SAFETY 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 • CORRECT BALANCE OF THE 4 THREAD OVERLOCK MOCK SAFETY STITCH • HOW TO BALANCE THE 4 THREAD OVERLOCK MOCK SAFETY 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 lower looper thread tension dial (yellow) to a lower number. * When the lower looper thread appears on the top of the fabric - Turn lower looper thread tension dial (yellow) toward a higher number - Or turn the upper looper thread tension dial (orange) toward a lower number. * When the left needle thread tension is too loose - Turn the left needle thread tension dial (blue) toward a higher number. * When the right needle thread tension is too loose - Turn the right needle thread tension dial (green) toward a higher number. 20 Fabric Light weight Medium weight Heavy weight Blue 3 4 5 Tension Dial Green Orange Yellow 2.5 1 2 3 1 2 4 1.5 2.5 Upper looper thread Right needle thread Left needle thread Topside Lo.Ner looper thread Underside Upper looper thread Rightneedle Left thread needle thread Topside Lower looper thread Underside Upper looper thread Right needle Left needle thread thread Topside s- 7 Lower I cloper thread Underside Upper looper thread Right needle Left thread needle thread Topside r tLhoruevaedr !doper Underside Upper looper thread Right needle thread Left needle thread Topside Lower looper thread Underside