CV_KH4001_E4521_LB6 05.05.2008 13:53 Uhr Seite 1 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.
CV_KH4001_E4521_LB6 05.05.
IB_KH4001_E2719_GB_LB3-6 22.04.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 2 FREE-ARM SEWING MACHINE KH 4001 The sewing machine is not intended ... – for installation at a fixed location, – for the processing of other materials (e. g. leather or heavy materials such as tent or sail fabrics) – for commercial or industrial use. Safety information Items supplied Like any other electrical device, a sewing machine can cause serious, even life-threatening injuries.
IB_KH4001_E2719_GB_LB3-6 p a s d f g h j k l y 22.04.2008 16:50 Uhr Seite 3 Foot pedal l Sewing table extension with accessory compartment Stitch plate Sewing foot Buttonhole lever Needle retaining screw Sewing foot lifting lever Front cover Thread takeover lever Power plug Foot pedal Sewing machine plug The machine will begin to sew at a slow speed as soon as the foot pedal l is gently activated. The sewing speed of the machine will increase when more pressure is applied to the foot pedal l.
IB_KH4001_E2719_GB_LB3-6 3. 4. 22.04.2008 16:50 Uhr Seite 4 Operating elements Position the sewing foot s to be mounted with the base lying on the stitch plate a in such a manner that the suspension pin on the foot and the slot on the foot spindle are directly in line. Lower the lifting lever g and complete connection of the sewing foot s with the sewing spindle. When the foot is correctly positioned, it must click into place at the suspension pin of the foot.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 5 Recommended stitch lenghts for the various types of stitches Stitch number Designation of type of stitch preset stitch width in mm (inches) Recommended stitch length in mm (inches) 1 Buttonhole stitch, automatic, 1-stage 5 (13/64) F-1.5 (1/64-1/16) 2 Straight stitch (Needle position to the left) 0 1-4 (3/64-5/32) 3 Straight stitch (Central needle position) 0 1-4 (3/64-5/32) 4 Zigzag stitch 1.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 6 Setting the stitch length Depending on the type of stitch you have set, it may be necessary to adjust the stitch length appropriately to achieve the best possible sewing results. • • • The numbers on the thumb wheel of the stitch length selector 6 correspond to the respective stitch length in millimeters (mm), hence, A HIGHER NUMBER MEANS THAT THE STITCH WILL BE LONGER.
IB_KH4001_E2719_GB_LB3-6 4. 22.04.2008 16:50 Uhr Seite 7 Sewing with the twin needle Insert the bobbin case in the carrier, holding the case by the catch and then releasing the catch. The driver o on the outside of the bobbin case must catch in the notch z on the top of the case carrier. Notice Your machine is also designed for sewing with twin needles C, meaning, you can sew with two upper threads simultaneously.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 8 Upper thread tension is too low: Loops are visible on the bottom of the fabric. ³ Correct thread tension The correct thread tension is important, as a tension that is too high or too low will lead to a weakening in the strength of the seam and often also results in a rippling of the fabric surface in the vicinity of the seam. Increase the tension of the upper thread by turning the upper thread tension selector 2 to a higher value.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 9 Straight stitch Removing the fabric from the machine The following types of stitches are defined as straight stitches: 1. 2. 3. Type of stitch No. 2 (with needle positioned on the left) Stitch length 4. 1–4 Stop the machine. Bring the needle into the highest possible position. Raise the sewing foot s and carefully pull the sewn product out towards the left.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 10 Sewing blind hems Sewing with elastic stitches Type of stitch No. Stitch length Type of stitch No. Stitch length 7 (Blind hem stitch) F-2 9 (Elastic stitch) F-2.5 10 (Stretch blind stitch) F-1.5 The blind hem stitch is used to finish off edges of sewn products, for example, the lower edges of trouser legs ensuring that the seam is not visible form the outside of the garment. Employ the blind hem stitch (stitch type No.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 11 Two-fold rampart stitch 1. Type of stitch No. Stitch length 11 (2-fold rampart stitch) F-3 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.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 12 Sewing material edges with feather stitch Type of stitch No. Stitch length 17 (Feather stitch) fixed at 2.5 in the factory 5. Open the caliper on the buttonhole foot N and position the button to be sewn on between the jaws. 6. Pull the buttonhole lever d down and press it backwards slightly as shown. 7. 8. Start the machine, at the same time holding the upper thread carefully.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 13 Fine adjustment during sewing buttonholes Sewing on buttons Should the buttonhole seams sewn on both sides of the buttonhole not be uniform in appearance, a fine adjustment can be undertaken as per the following method: 1. 2. Set the stitch type selector w at „F“ and, as a test, sew the left-hand buttonhole seam on a remant of the same material. Observe the material feed during the process.
IB_KH4001_E2719_GB_LB3-6 5. 6. 22.04.2008 16:50 Uhr Seite 14 Appliques Now sew the both sides of the zipper in place along the zipper carrier web from the lower to the upper edge with the zipper foot M. The needle should thus always pierce the side of the foot facing the teeth-row resp. spiral of the zipper, in order to achieve the best possible results.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 15 Monogram embrodiery 1. 2. 2. Apply 2 to 3 drops of sewing machine oil K to all points indicated in the diagram. 3. Replace the front cover h and insert the power plug k into the wall socket. After lubrication, start the machine up in rapid operation, without the needles being threaded, for a short period to distribute the oil. Remove the power plug k from the wall socket and remove the front cover h. Wipe off any superfluous oil.
IB_KH4001_E2719_GB_LB3-6 5. 22.04.2008 16:50 Uhr Seite 16 Remove the gripper, by grasping the bobbin pin in the centre and pulling the gripper out. Disposal Do not dispose of the appliance in your normal domestic waste. This product is subject to the European guideline 2002/96/EC. Dispose of the appliance through an approved disposal centre or at your community waste facility. Observe the currently applicable regulations. In case of doubt, please contact your waste disposal centre.
IB_KH4001_E2719_GB_LB3-6 22.04.2008 16:50 Uhr Seite 17 Troubleshooting If you should find yourself confronted with any problems during sewing, first consult the respective section of the user manual, which will provide you with further details relating to the specific operating procedure. By comparing the given details you can ensure that you are operating the machine correctly and appropriately.
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