Singer 1 One Instruction Manual 15 - Page 34

4) 3-thread Flatlock 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 NEEDLE POSITION •O OW SEAM WIDTH FINGER KNOB STITCH LENGTH S 2- 4 Correct Balance • Set Each Tension Dial to Settings Shown at Right and Test Sew on a Sample of Your Fabric How to Balance • When the lower looper thread tension is too loose; - Turn the lower looper thread tension dial (yellow) toward a higher number. - Or, turn the needle thread tension dial (blue or green) toward a lower number. • When the upper looper thread tension is too loose; - Turn the upper looper thread tension dial (orange) toward a higher number. - Or, turn the needle thread tension dial (blue or green) toward a lower number. • When the needle thread tension is too loose; - Turn the needle thread tension dial (blue or green) toward a higher number. - Or, turn the upper looper thread tension dial (orange) toward a lower number. Needl- thread Upper looper thread Needle tread Lower looper thread Topside Underside (505) Fabric Tension Dial Blue Green Orange Yellow Light weight 0.5 4.5 5.0 Medium weight 0.5 5.0 6.0 Heavy weight 0.5 5.5 7.0 Fabric Tension Dial Light weight Blue Green Orange Yellow 0 5.0 5.0 Medium weight 0.5 5.5 5.5 Heavy weight 0.5 5.5 6.0 Needle thread / Upper looper thread Topside Needle thread _ Lower looper thread Underside Needle thre'ad Upper looper thread Topside MOM Needle thread / Upper looper thread Topside `Needle thread Lower looper thread Underside Needle thread Lower looper thread Underside J 33