Bernina 730 Manual - Page 18
Threading, Upper
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Threading the Upper Thread (Fig. 11 and 12) With BERNINA threading is done in one go from reel to needle. Place a reel of thread on one of the two spool-pins situated at the back of the top arm (35). From there lead threadthrough the pre-tension 43, equally placed at the back of arm, then into slot running across top arm. In its centre the double thread tension 8 is then up again through slot of take-up lever 7, and down once more through needle holder eyelet 45, and finally through needleeye itself from front to rear. When threading make sure that take-up lever 7 and needle are in their upmost position. 44 8 9 35 35 43 7 Fist. 11 4- - arranged. The central tension disc is protruding 45 somewhat from slot 44. When sewing with one • • thread only, it does not matter whether the thread is drawn at the left or at the right of the .central tension disc into the tension properly speaking. At the front pass the thread down to thread regulator 4, 16