Assessments - 1, GPA: 4 ( )

Fabricante : Bernina Arquivo Tamanho: 1.44 mb Arquivo Nome : Língua de Ensino:

I> *Turning dial to left opens right side and closes left side. = I- If the stitches on the right side of the buttonhole are too open, turn the dial to the right (—) . *Turning dial to right closes right side and opens left side. + + = 8. OVERCASTING For of from finish. 45 :._ N 44; cz all carefully are with on right of - // // N For in —28— I . Elastic Blind Hem Stitch F AA 11. STRETCH SEAMS is A 12 knits for may be laid 4 a double knit, 0 triple Apply 4 b Apply small zigzag. Reduce 1 I I.5[ — c For Very net) Use or Apply multiple zigzag. 1 :: cD —36- 13. SHELL STITCHING Silk, nylon organdy or similar /6 sheer fabrics are suitable. Set machine as shown. 2.5 - 3.5 5 Fold edge of material. With folded edge to left, place it under presser foot. Pull thread ends towards back when starting sewing. Make sure needle misses raw edge of fold when it moves side ways. -I —38— 18. APPLIQUE WORK Set machine as shown. 032 2.5 5 AA Draw design on material to be I used as an applique and cut it out. Place cut-out on base material I/ ‘I and baste it. I Sew around outline with zigzag stitch adjusting stitch length and width according to shape and size of cut-out and type of base material. To change direction at corners or to sew very small circles, stop machine, positioning needle just away from edge of cutout, lift presser foot and turn material Lower presser foot and continue sewing Sew a few stitches at end with zigzag width at 0. This is to prevent unstitching. 43 19. EMBROIDERY Set machine as shown. 10’ Lj A - 4 - k - Remove foot, and holder To avoid lower thread pulled up, reduce upper tension. screw being thread Needle Thread For good important to and thread. embroidery, it is use correct needles No. No. No. 9 11 14 120 --100 100-80 6050 Use thin embroidery silk for upper thread and a thinner silk of same kind and color for lower thread. Trace your design on material and center it in embroidery hoop. Make sure material is taut. Pull out lower thread by turning handwheel towards you while holding upper thread lightly. Lower presser foot lifter. Hold both threads sewing along outline with satin stitch. and start of design Continue by hand. sewing guiding hoop To finish filling, sew several stitches with zigzag width at 0. Lay typewriting paper underneath when embroidering sheer fabric. —44— 20. MAINTENANCE t Your machine requires regular cleaning and oiling for satis factory sewing performance. A machine which is used for a few hours a day needs to be cleaned and oiled once a month. } Cleaning Remove foot and needle. Remove needle plate. Brush off all dust and lint on feed dog with cleaning brush. Turn latches outwards. Remove shuttle race cover. Remove shuttle Clean shuttle race with a cleaning brush and a soft cloth. 21. TROUBLE CHART CORRECTION PROBABLE CAUSE PROBLEM P.10, P.15 Thread not wound evenly on the bobbin Breaking lower or not drawn up correctly thread P.12 Lower thread tension too tight Lint stuck in the bobbin case and inside Remove lint and fluff with a the tension spring cleaning brush P. 6 Needle not fully inserted Skipping stitches P. 6Needle bent Size or type of needle and thread not P.16 suitable for the material P13 Incorrect upper threading P 46 Too much oil on the hook P.16 h equiJr stitches Incorrect size of needle for the material P.20 Upper thread tension too loose P.12Incorrect lower tension P.17 Pattern selection dial not set correctly The material not P.12 fed correctly Incorrect feed dog height P.45 Lint stuck on the feed dog ...

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