User manual LERVIA KH 4000

[. . . ] Storing 17 17 17 17 18 18 19 19 19 20 21 22 23 23 23 24 24 25 25 25 26 27 27 27 9. Attaching accessories 13 13 13 14 10. Disposal 30 31 31 Keep this manual for future reference and pass it on with the equipment to any future users. -3- Lervia KH 4000 Operating instructions Lervia Automatic Free-Arm Sewing Machine 1. Intended Use The sewing machine is intended . . . [. . . ] · and lay these away to the back, as shown. The sewing machine is now ready to use. " e) Threading with 2 needles When you have inserted the twin needle as described in Chapter 9: · Pull out both thread spool carriers i on top and place two spools of thread there. · You can place a felt pad underneath the spool of thread, so that the bobbin runs evenly. · Run both upper threads exactly as they would be run for threading a single thread, . . . · except for threading at the needle: in this case, thread the two ends of the upper threads separately through the two needle eyes. · The lower thread is then threaded in exactly the same way and lifted upward, as for a single thread. - 12 - Lervia KH 4000 9. Attaching accessories Warning: Make sure that the sewing machine is switched off and the plug has been pulled out of the sokket to prevent accidents caused by un-intentional switching on. a) Changing needles · Turn the handwheel s in an anti-clockwise direction to fully raise the needle. · Loosen the clamping screw old needle out. 20a 20a and pull the · Insert the new needle, with the flat side toward the back. Insert it up to the top · and tighten the clamping screw well when finished. 20a again b) Changing the stitch plate At the factory, the "zigzag" stitch plate is inserted, which can be used for most stitching work and decorative seams. However, if you wish to use the darning plate supplied: · Turn the handwheel s in an anti-clockwise direction to fully raise the needle. · Pull the material around the needle in the desired direction · then lower the needle retainer ; down. You can now continue sewing in the usual way in the new direction. - 18 - Lervia KH 4000 f) Selecting a stitch pattern y To select a particular pattern, take the following steps: · Select the stitch pattern with the stitch pattern selector h. · Select the stitch length by means of the d selector wheel. h · Select the stitch width by means of the selector wheel y. d · Attach the respective snap-on foot, as described in Chapter 9. You can find the required settings in the table on the next page. If two values are set for the stitch length, these are understood as "from . . . g) Straight stitch This is the most frequently used type of stitch. The zigzag sewing foot is used for both straight and zigzag stitches. A smaller size of stitch should be selected for sewing finer materials. h) Zigzag The zigzag stitch is universal. The zigzag stitch pattern consists of short stitches set closely after one another and is suitable for sewing initials, figures, appliqués etc. - 19 - Lervia KH 4000 i) Stitch pattern table Stitch pattern Stitch length Sewing foot Stitch width A Straight stitch 0 B-E Zigzag 1-5 F Blind stitch 3-5 G Blind hem 3-5 H Three-step zigzag stitch 3-5 I Slant over edge stitch 3-5 J Single overlock stitch 3-5 K Honeycomb stitch 3-5 L 3-fold zigzag 2-5 M Stretch straight stitch 0 N Shell stitch 3-5 O Honeycomb stitch 3-5 p 3-edged block stitch 3-5 q Semi-circular stitch 3-5 R-T Buttonhole 5 Free-hand embroidery Without 0-5 - 20 - Lervia KH 4000 j) Blind hem · Fold the material as shown. Make the fold as wide as you want the finished seam to be: The lower fold should be inset by about 5 mm. · Use the blind hem foot . While sewing, check the hem width and needle position to be sure the hem is even. · Sew the blind hem on the underside of the material, so that only the peak of the zigzag stitch pierces the top part of the material. [. . . ] Nothing - no other working parts require lubrication. You should not lubricate anything unless it is necessary, as oiled parts attract dust and may then become stuck. - 29 - Lervia KH 4000 f) Storing Keep the sewing machine . . . - at a dry location so that no rust forms on the metal mechanical parts, - always under the supplied covers to prevent dust from entering the sewing machine, - outside the reach of small children or elderly persons, so that they cannot endanger themselves through unsupervised operation. 13. Troubleshooting If something is not working, you can use the table below to try and correct the fault. [. . . ]