Singer One Instruction Manual 19 - Page 31

2) 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 OIP 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 Needle thread Upper looper thread Topside eedl thread tower looper thread Underside (505) Fabric Light weight Medium weight Heavy weight Blue 0.5 0.5 0.5 Tension Dial Green Orange Yellow 4.5 5.0 5.0 6.0 5.5 7.0 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. 30 Fabric Light weight Medium weight Heavy weight Blue Tension Dial Green Orange Yellow 0 5.0 5.0 0.5 5.5 5.5 0.5 5.5 6.0 Needle thread Upper looper thread Topside Needle thread Upper looper thread Topside Needle thread Upper looper thread Topside Ne dle thread Lower looper thread Underside tiidle thread Lower looper thread Underside edle thread Lowe looper thread Underside