Bernina 740 Manual - Page 16
fixed, marked, mobile, neceesary.
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finally through eye of the needle itself, from front to rear. When threading make sure that thread lever 7 and needle are in their upmost position. • • 9.1 9 • 14.12 BERNINA Thread tension (fig. 13) The Bernina sewing machines offer the unique advantage that the thread. tension must never be changed. Only two marked lines are provided for control. When the fixed marked line on top arm and the dot on mobile part of thread tension device are set one above the other, the perfect thread tension is attained. - With Bernina sewing machines a graduated scale is not neceesary. By means of the adjusting disk 9 the thread totsion ran be changed for special purpitsrs, if any. If the marked line is moving behind sight hole 10 to the right, the thread tension will be reinforced• whereas. if said marked line moves to the left, the tension will be weaker. 111 11 10 9 4 15 11 as