Bernina 732 Manual - Page 60
reversible
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0 0 Fig. 79 C) Blindstitch foot (No. 55 068203) (DI Left position of needle stitch ® Folded upper piece of material ® Needle plate ® Material stop and guide ® Right position of needle stitch 58 After having threaded the machine, put the lower flat piece of cloth underneath the blindstitch foot; then place the upper piece of material on top and fold it in such a way that it always touches the elastic guide; lower the blindstitch foot, and start sewing. The zigzag stitch width should be adjusted in such a way that in its left deflection the needle is stitching through the middle of the folded piece of material, which will make the seam invisible on the upper piece of material when flattened. Said stitch width is between 2 and 3, depending on the thickness of the cloth used. 2. Adjustment of sewing machine for sewing with the blindstitch cam Whereas, when blindstitching with the normal zigzag stitch, the folded piece of material is pierced after every second stitch, when using the blindstitch cam there are five straight plain stitches between each piercing of the folded piece of material. Thus the machine should be adjusted as follows : a) Attach blindstitch foot. b) Connect automatic device by means of lever 13 (see fig. 2 and 72) backwards. c) Set lever 12 on blindstitch cam (11. d) Set needle into right position of stitch. e) Set zigzag knob 18 to a stitch width between 2 and 3, depending on thickness of material. f) Set stitch length regulation lever 22 on a stitch length of 2, 3 or 4, according to kind of cloth. g) Set feed dog reversible knob 23 on "sewing" symbol. The blindstitching itself is made exactly as has been described under 1.