Bernina 730 Manual - Page 43
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threaded. For normal sewing the bobbin case is threaded as explained in this instruction booklet .on page 12. For sewing buttonholes, the machine should be adjusted as follows : 1. Insert buttonhole presser foot. 2. Feed-change knob 23 (fig. 2) must stand at sym- bol » sewing 3. Draw zigzag knob grip lever 18 downwards, so that it can work together with the fixed stops on sewing machine stand. Pk, 62 4. To engage thebuttonhole device proceed as follows: Draw the upper lever 19 which is marked with a buttonhole symbol with a light movement towards you and then upwards. Now let it go. The button- hole device is now engaged in its working position. To disengage the buttonhole device proceed in the reverse order. 5. The stitch length shifting lever 22 is pushed up-wards as far as possible. 6. After the stop has been brought into working position by moving the grip lever of the zigzag knob 18, get hold of it and swivel it in such a way that the pawl comes to lie against stop pln I. This is done by moving said lever slightly to the right. Now the pointer pin of zigzag knob 18 will be opposite the scale number 1.5. 7. Adjust stitch position regulating knob 17 tsee 21. The lever is turned so far to the left, until the white mark at the top end is lying exactly opposite the white mark on the zigzag lever ]8. Now the machine is perfectly set for buttonhole sewing. Fig. 54 3: . • 11