User manual LERVIA KH 4001

[. . . ] 6 FREE-ARM SEWING MACHINE KH 4001 FREE-ARM SEWING MACHINE Operating instructions KOMPERNASS GMBH · BURGSTRASSE 21 · D-44867 BOCHUM www. kompernass. com ID-Nr. : KH4001-04/08-V1 KH 4001 x 12 3 4 5 6 78 c v b n 9 j m h 0 M N B q g f d w s a e r p V C X Y L z o u i t K J H G F y l k CONTENT Safety information Correct Usage Items supplied Appliance description Setup Connecting the sewing machine Operation of the sewing machine Operating elements Recommended stitch lenghts for the various types of stitches Threading the needle and preparation Sewing with the twin needle Tensioning the thread Straight stitch Sewing in zigzag stitches Sewing blind hems Sewing with the shell stitch Sewing with elastic stitches Two-fold rampart stitch Scallop stitch Additional decorative stitches Fishbone stitch Finishing edges Sewing material edges with feather stitch Sewing with three-fold zigzag stretch stitches Sewing buttonholes Fine adjustment during sewing buttonholes Sewing on buttons Sewing in zippers Gathering Darning Appliques Monograms and embroidery Changing the lamp bulb Lubricating the machine Cleaning Storage Technical data Disposal Warranty & Service Importer Troubleshooting Read the operating instructions carefully before using the appliance for the first time and preserve this booklet for later reference. Pass the manual on to whomsoever might acquire the scale at a later date. PAGE 2 2 2 2 3 3 3 4 5 6 7 7 9 9 10 10 10 11 11 11 11 11 12 12 12 13 13 13 14 14 14 14 15 15 15 16 16 16 16 16 17 -1- FREE-ARM SEWING MACHINE KH 4001 Safety information Like any other electrical device, a sewing machine can cause serious, even life-threatening injuries. To avoid this, and in order to work safely: · · Before initial use of your sewing machine, read these operating instructions attentively. Keep these operating instructions at a suitable location close to the appliance. [. . . ] Sew the fabric in a diagonal direction, arranging it under the sewing foot s in such a way that the straight sections of the stitch formation on the edge of the hem and the zigzag stitches are sewn a little over the fold. This stitch type requires a tighter thread tensioning of the upper thread than is customary. 4. - 10 - Two-fold rampart stitch Type of stitch No. 11 (2-fold rampart stitch) Stitch length F-3 1. 2. 3. Fold together the edges of the two pieces of fabric to form a narrow hem, then tack the pieces onto a thin piece of paper, leaving a space of a few millmeters between the two borders. Set the stitch type selector w at number 15. Sew along the gap, at the same time pulling the upper and lower threads slightly in order to enable a correct formation of the initial stitches. This type of stitch is used to sew two pieces of material together if there are no special requirements in relation to the elasticity of the seams, e. Set the stitch type selector w at number 11. 4. Scallop stitch Type of stitch No. 12 (Scallop stitch) Stitch length F-1. 5 Remove the attached paper after finishing the sewing and close the seam by knotting the two threads at the beginning and the end of the seam on the underside of the material. Finishing edges Type of stitch No. 16 (Arrow point stitch) 18 (Blind hem (open) overlock stitch) 19 (Elastic overlock stitch) These stitches are used to finish off pieces of fabric to prevent them from fraying and to hem them in one process. The arrow point stitch is ideal for finishing off a bed cover or table cloth, for example, whereas the elastic overlock stitch and the slanted overedge stitch is especially suitable for the finishing off of stretchable materials. Set the stitch type selector w at 16, 18 or 19. Position the fabric under the sewing foot s so that the line of the seam (the arrow points of the seam pattern formation) are positioned ca. 3 mm (1/8") left of the centre of the sewing foot s. This type of stitch is most effective when the seam line is approximately 6 mm (1/4") from the edge of the material, because the stitching movement extending to the right (right zigzag points) grasps the fabric edge accurately and thus protects it from fraying. fixed at 2. 5 in the factory Stitch length The machine can create a scallop stitch automatically, which may be used to decorate the edges of the items you have sewn. Set the stitch type selector w at number 12. Sew the scallop stich closely along the edge of the material. If you wish, you can trim the outer curve of the pattern you have sewn after you have finished the edge. Make sure you do not cut through the stitches. Additional decorative stitches Type of stitch No. 13 (Random zigzag stitch) F-1 14 (Pearl stitch) Both types of stitch may be used for the creation of (edge) decorative seams as well as smocking. Set the stitch type selector w at number 13 or 14. [. . . ] · Thread the sewing garn correctly! Upper thread is breaking Lower thread is breaking Stitches are omitted Loops and tangles in the seam · Wrong adjustment of the thread tension. · Readjust the thread tension! Material is rippled in the vicinity of the seam · Thread tension is too tight on the rippled side. · Thread run on the machine is wrong. · An unsuitable needle has been used. · Inappropriate combination of needle size/strength of thread. [. . . ]