Pfaff 212 Owner's Manual - Page 10

-- - wrUrwJ iJE1F1[i.t Regulating the thread tensions Upper tension too loose or lower tension too light II wrong j!E3fl]j1tEJf!j:zz II Upper tension too tight or lower tension 100 loose U r gUi Fig. 15 Ill Tensions evenly balanced -- '-.- - ,-,-.,- ----.-.-- --V- -. - - - F1g 16 Fig. I 7 Needle thread tension The normal setting is between numbers 3 and 5 on the tension regulating knob Turn this knob clockwise toward 9 for a stronger tension, or anti-clockwise to ward 0 for a weaker tension Bobbin thread tension Tire bobbin thread tension is regulated by turning the sciew shown in Fig 17 wilh a small screwdriver Turn Ibis screw clock wise tor a stronger tension, or anti clockwise for a weaker tension 17