Dragonfly 218 Инструкция по эксплуатации онлайн [43/45] 13872

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Condition Seam Puckering Cause 1 The needle thread tension is too tight 2 The machine is not threaded correctly 3 The needle is too heavy for the cloth being sewn 4 The stitches are too coarse for the fabric being sewn Reference See Page 20 See Page 18 SeePage 12 Make the stitches denser When sewing extremely light weight materials place a sheet of paper underneath the fabric Stitches form loops below the work 1 The needle thread tension is too loose 2 The needle is either too heavy or too fine for the thread The cloth is not feeding smoothly 1 The feed dog is packed with lint 2 The stitches are too fine See Page 20 SeePage 12 See Page 40 Make the stitches coarser The machine does not work 1 The machine is not plugged in 2 A thread is caught in the hook race 3 Clutch knob is disengaged for the bobbin winding See Page 8 See Page 39 See Page 15 The buttonhole stitches are not balanced 1 The stitch length is not suitable for the fabric being sewn See Page 21 2 The work is being pulled or held back Do not force the fabric for guiding 43