User manual SINGER 412U INSTRUCTION MANUAL

[. . . ] Like any other electrical device, a sewing machine can cause serious, even life-threatening injuries. To avoid these, and to work safely: · Always disconnect the power supply when leaving the machine unattended. This will prevent the risk of accidents if the machine is switched on accidentally. Always first disconnect the power plug before carrying out maintenance work on the machine. [. . . ] Tensioning the thread Textiles blue light material mediumweight material heavy material green red Inserting the upper looper element Inserting the upper looper element Inserting the upper looper element yellow Upper looper element Needle position Tensioning the thread Textiles blue light material mediumweight material heavy material green red Inserting the upper looper element Inserting the upper looper element Inserting the upper looper element yellow Top Underside Fig. Should the lower looper yarn appear to be too tight or the needle thread too loose (Fig. 54) : · Turn the thread tension selector for the lower looper thread u (yellow) to a lower number, or . Turn the thread tension selector for the needle (blue r or green t) to a higher number. Should the lower looper yarn appear to be too loose (Fig. 55), turn the thread tension selector for the lower looper thread u (yellow) to a higher number. Figure 56 shows you the stitch pattern for this stitch. This stitch with a needle and 2 threads is used for tidying normal fabrics with an overcast stitch. Adjust the thread tension selectors r t z u to the appropriate values (see table) then sew a test seam on the material being used. Tensioning the thread Textiles blue light material mediumweight material heavy material green red Inserting the upper looper element Inserting the upper looper element Inserting the upper looper element yellow Correct thread tension Tensioning the thread Textiles blue light material mediumweight material heavy material green red Inserting the upper looper element Inserting the upper looper element Inserting the upper looper element yellow Should the lower looper yarn lie on the underside of the textile (Fig. 57): · Turn the thread tension selector for the lower looper thread u (yellow) to a higher number, or . 64): · Turn the thread tension selector for the lower looper thread u (yellow) to a higher number, or . Turn the thread tension selector for the needle (blue r or green t) to a lower number. Should the upper looper yarn be too loose (Fig. 65): · Turn the thread tension selector for the upper looper thread z (red) to a higher number, or . Turn the thread tension selector for the needle (blue r or green t) to a lower number. Should the needle yarn be too loose (Fig. 66): · Turn the thread tension selector for the needle (blue r or green t) to a higher number. Turn the thread tension selector for the upper looper thread z (red) to a lower number. Figure 67 shows you the stitch pattern for this stitch. This stitch with a needle and 3 threads is used for sewing, for example, decorative edges. by changing the needle position you can obtain a narrow or a wide overcast chain seam. [. . . ] Vrider du trådspänningsväljaren z till den övre griparen (röd) till ett lägre nummer. Om tråden till nålen verkar för lös (bild 62) vrider du motsvarande trådspänningsväljare (blå r eller grön t) till ett högre nummer. Till det här stygnet används en nål och 3 trådar och sömmen används till t ex fällsöm samt för dekorstygn med finare tråd. Vrider du trådspänningsväljaren till den undre griparen u (gul) till ett högre nummer eller. [. . . ]