Kompernass KH 4300 User's Manual
Contents
1. Sewing narrow edging IF you wish to sew very thin or light materials select a suitable thread tension as described in the sec tion Setting the thread tension Important If necessary adjust the stitching length and cutting width Hem stitching Mal 4 5 9 Edging 3 5115 Differential feed motion With the differential feed motion uneven seams are avoided in knitted materials as well as the slippage of textile positions Additionally the seams cause no wrinkles in very light materials Manner of operation The machine has two sets of toothed rack feeders one to the front and one to the rear Both sets move independant of each other Through the differential feed motion both toothed rack sets can move them selves at various speeds The toothed transport racks move themselves in an elliptical motion and thus transport the material C 7 C 5 Setting the differential feed motion The differential feed motion is adjusted to the de sired direction simply by turning the adjustment wheel for the differential feed motion p N Neutral Position the toothed rack feeders move the material forward evenly G Gather Position the front toothed rack feeders push the material forward faster than the rear ones Thereby elasticated material is not ex tended S Stretch Position the rear toothed rack feeders push the material forward faster than the front ones Thereby the front toothed rac2. D Thread tension selector left needle D Thread tension selector right needle D Thread tension selector upper looper D Thread guide D Thread guide plate D Adjustment wheel for stitch length D Adjustment wheel for differential feed motion D Adjustment wheel for cutting width D Sewing foot Lower blade Upper blade Upper looper Lower looper D Release lever PUSH Connection plug Foot pedal Power plug Waste container Preparation Place the overlock sewing machine on a stable and level surface Ensure there is sufficient illumination at your workplace Adjusting the thread tree Completely withdraw the thread tree before threading Turn the thread tree so that the thread guides stand exactly above the spool supports Bobbin supports Both industrial bobbins and household bobbins can be used with this machine For industrial bobbins with a large diameter place the bobbins supports in with the broad end to the top for bobbins with a small diameter place the support in with the narrow end to the top Bobbin caps IF using non industrial thread bobbins remove the bobbin supports and place the bobbin caps on the thread bobbins Connecting the foot pedal Insert the plug of the footpedal into the connection for the footpedal and the power plug into a mains power socket To switch the machine on press the power switch AN Attention During absences from
3. Left needle red For threading the yarns the free arm must be opened For simplification the individual steps are numbered 1 Pull the arm support off to the side on the illustrations 1 CD 2 3 5 4 5 2 Open the front flap 1 Open the front flap and free arm D 3 Press the release lever PUSH and at the 2 Turn the handwheel to yourself until the looper same time pull the free arm downwards is in the most favourable position for threading 3 Thread the upper and lower looper yarns as shown Threading yarns into the looper AN Attention Before starting to thread yarns ALWAYS place the power switch at OFF and remove the plug This will prevent an unintentional starting of the ap pliance If you do not you run a risk of serious injury Thread guide D and thread guide plate D on the right D Note The yarn must lie correctly between the two discs of the thread tension selector Thread tension selector D 4 Pull the end of the thread about 10 cm 4 out from the looper eyelet 5 Lift the sewing foot D and slide the thread under it then lower the sewing foot D back down The lever for lifting and lowering the sewing foot D Thread routing on from the thread guide plate Q is located at the rear of the machine above the sewing lever rod system Threading yarns into the needle For simplification the individual steps are numbered on the illustra
4. OSE tete AA AA 18 Setting the differential feed 18 Uneven material edges and smoothness cccccccccsssssscsesscscsesecscseescseseescsesecscsesecseseesesesesseseeeeass 19 Avoid gutes Dy AA 19 Troubleshooting 20 Cleaning and care 21 Storage 21 Disposal 21 Warranty and Service 22 Importer 22 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 appliance at a later date 2 OVERLOCK SEWING MACHINE KH 4300 Intended Usage This overlock sewing machine is intended for use as a portable machine for the trimming of material edges sewing of typical household textiles and only for domestic household use This overlock sewing machine is not intended to be installed at a permanent location for the processing of other materials e g leather canvas sailcloth and other heavy materials for commercial or industrial use Safety instructions A 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 First pull the power plug before changing the bulb or performing maintenance work on the machine Thi
5. the machine or when doing maintenance work always remove the plug from the mains power socket Injury hazard Controlling the sewing speed The sewing speed is controlled by means of the footpedal The sewing speed is changed by ap plying more or less pressure to the footpedal Safety switch This machine is fitted with a micro safety switch You cannot start the machine if the front flap is open Close the front flap before you start to sew Fitting the waste container The waste container collects remnants during sewing so that your workplace stays tidy Place the waste container D between the machine and the ext JG table Handwheel D Note Always turn the handwheel Q towards yourself that is in the same direction as with a domestic sewing machine Front flap To open the front flap Q slide it as far as possible to the right and at the same time draw it towards yourself Correct threading is important so that the stitches are not irregular and that the yarn does not break On the inner side of the front flap Q there is a guide to threading Additionally the thread guides are marked in various colours In the accessory box you will find pincers the use of which helps make threading easier Threading takes place in this sequence l First step Upper looper green 2 Second step Lower looper blue 3 Third step Right needle yellow Opening the free arm 4 Fourth step
6. 6 C KOMPERNASS GMBH BURGSTRASSE 21 D 44867 BOCHUM www kompernass com ID Nr KH4300 03 09 V3 E Overlock Sewing Machine KH 4300 Overlock Sewing Machine Operating instructions KH 4300 CONTENT PAGE Intended Usage 3 Safety instructions 3 Technical Data 4 Items supplied c c 4S Description of the appliance 5 Preparation 5 Adjusing the thread LL 9 SUPPO temsedeie 5 oele o AP Cenneeing Te Spa MET Controlling ie SES a AGA Sl y nce nakakaraan KA nanana Aga TE EA A AT EE A 6 Fitting the waste container sert sa NANA nade cane 6 FCS AA KON NOD m EE Opening the free 7 Threading yarns into ihe LLL AAP 7 Threading yarns into the needle AA AA AA GAAN 8 vp PAANAN 9 Setting the thread tension 10 Adjusting thread tension on the needle threads sss 11 Adjusting thread tension on the looper threads 11 Overview of the machine adjustments 12 Changing threads binding together 13 Setting the stitch length 13 Setting the cutting width 14 Exchanging needles 14 Replacing bulbs 15 Exchanging the upper blade 15 Close and broad sewing with three threads 16 Sewing freehanded 16 Adjusting the sewing foot 16 Hemstitch and edging 17 Sewing hemstitch 17 Sewing narrow edging 17 Differential feed motion 18 Manier ol
7. d adopting an unusual posture Remain steady and in a well balanced position at all times f accidents occur as a result of handling the ma chine with insufficient care or failure to follow the safety instructions in this manual then the manufacturer cannot accept liability Never cover the ventilation slots Risk of over heating Technical Data Number of threads Number of needles Sewing speed Stitch width Stitch length Needles Power consumption Rated voltage Protection class Bulb power Bulb voltage Bulb thread 4 or 3 2 or 1100 Revs min 6 mm with 4 threads mm or 4 mm with 3 threads 1 5 mm HA x1 Nr 11 14 or 130 705 Nr 75 90 Motor 90 W Bulb 15 W Total 105 W 230 V 50Hz II E 15 W 230 V 50 Hz E14 thread The sound intensity level under normal operating conditions amounts to 78dB A Foot pedal Use only the foot pedal originally supplied with this sewing machine ELECTRONIC FDM Speed Controller Type KD 2902 Items supplied Overlock Sewing Machine Cil Waste container Accessory box Operating instructions 2 Needles Nr 11 4 Needles Nr 14 2 in the machine pre installed 4 Bobbin caps Description of the appliance Q Thread tree Q Thread tension selector lower looper Spool support Cold air intake Q Connection Footpedal Power supply Q Handwheel Power switch On Off switch Front flap O Arm support D Free arm
8. dle upper left setscrew for the left needle lower right setscrew for the right needle 4 Insert the new needle with the flat side to the rear into the needle mounting Ensure that the needle is inserted as far as is possible Secure the needle by retightening its setscrew When the needles have been correctly fitted the left needle stands a little higher than the right needle IF the needles have not been correctly inserted stitches will occasionally be left out when sewing This machine is equipped with needles of the type H Ax1 Needle system 130H for household ma chines Replacing bulbs N Risk of electric shock When changing bulbs ALWAYS remove the plug from the mains power socket 1 Remove the small round cover with a needle or something similar 2 Unscrew the screw completely 3 Remove the lamp cover 4 Exchange the bulb Use a bulb of the type E14 15 W 5 Reassemble all of the parts in reverse order Exchanging the upper blade AN Attention Before changing the blade ALWAYS remove the plug from the mains power socket This prevents an unintended starting of the machine If you do not you run q risk of serious injury D Note The lower blade is manvfactured from a special material and normally does not need to be exchanged Should it at some time become nonetheless damaged please make contact with our Customer Services To exchange the upper blade when it has b
9. ecome blunt 1 Open the front flap Q and turn the handwheel Q towards yourself until the needles are in the lowest position Using the screwdriver loosen the screw on the upper blade holder and remove the upper blade Insert a new upper blade and lightly tighten the screw on the blade holder Adjust the upper blade to that its cutting edge surmounts the cutting edge of the lower blade by about 0 5 1 0 mm Now firmly tighten the setscrew in the holder for the upper blade and close the front flap Close and broad sewing with three threads When sewing with this machine you can adjust from four to three threads Remove either the left or the right needle see section Exchanging needles and the appropriate thread The machine is now ready for sewing with three threads With exclusive use of the right needle the stitching length amounts to 4 mm 0 167 With exclusive use of the left needle the stitching length amounts to mm 0 247 Sewing freehanded Freehand operation is excellently suited for the sewing of trouser legs sleeves and cuffs etc Remove the arm support as shown in the illustra tion to change from flatbed to free arm operation Adjusting the sewing foot The special sewing foot is adjusted to the posi tion N on the countersunk screw at the front of the sewing foot D for normal sewing operations Should you wish to sew a
10. eedles are bent blunt or da Fit new needles maged at the points Insert the needles into the retainers Needles are not correctly inserted correctly Stitches are omitted Yarn has not been correctly Check the course of the individual threaded threads Incorrect needles are fitted USER Cone ho Ade d l or 130 705H Stitches are irregular Check the course of the individual Thread is trapped threads Thread tension is too high Adjust the thread tension Mi ka Thread the yarn correctly Seams cause wrinkles Ihreaded Check the course of the individua threads Differential feed motion not Place the differential feed motion adjusted at S Upper blade is blunt or in Change the blade or insert it correctly inserted correctly Material edaes ruffle them v Too much material in a stitch e Alter the seam width selves 2 20 Cleaning and care AN Attention ALWAYS remove the plug from the mains power socket before cleaning or lubricating the machine Otherwise there is the risk of you receiving an electric shock To ensure that your machine works faultlessly at all times it must occasionally be cleaned with a brush This machine requires very little lubrication as the main components are manufactured from a special material Only occasionally lubricate the designated positions Storage N Attention ALWAYS remove the plug from the ma
11. f the material as well as the type and thickness of the thread When necessary adjust thread tensions as per this table Light Georgette Muslin Batiste Dress fabric Crepe de Chine Silk Medium weight Cotton Poplin Waterproofed cotton Corduroy Heavy e Denim Tweed Velour Needles Thread tension Stitch length adjustment 2 0 3 5 mm e Standard 2 5 mm 2 0 3 5 mm e Standard 2 5 mm 2 5 4 0 mm BBB Standard 3 mm Changing threads binding together With the following procedure changing threads is quite simple 1 Cut the yarn above the spindle and knot the ends of the new and the old thread together 2 Place the thread tension selector at O and lift the sewing foot D 3 Pull on the other end of the yarn until the knot passes under the sewing foot D 4 For threading it in the needle pull on the other end until the knot is in the eye of the needle and then cut the yarn to the left and right of the knot Then carry out the rethreading Setting the stitch length The stitch length can be adjusted in nine steps from 1 0 to 5 0 mm Almost all overlock work is carried out with a stitch length of 2 5 3 5 mm Turn on the inner adjustment wheel for stitch length D to adjust the stitch length Normal seams a H Standard 3 0 mm Narrow edgings 1 0 2 0 mm B B i Setting the cutting width The appropriate cut
12. hemstitch simply loosen the large screw lightly and slide the small pin which protudes from the foot to the left all the way in Now the letter R stands on the screw Us iF KAL ss 3 Hemstitch and edging For these two tasks proceed as follows 1 In the section Adjusting the sewing foot reread the instructions for adjusting the sewing foot 2 Turn the handwheel Q to yourself until the needles stand fully at the top 3 Open the front flap and remove the left needle see section Exchanging needles 4 Adjust the stitching length to 1 0 2 0 mm Ensure that the adjustment wheel for the differential feed motion is placed at N 5 Adjust the stitching width as described in the sec tion Setting the cutting width If a yarn is not threaded now rethread a new yarn 7 Lay your material under the sewing foot D and start to sew D Note Before you begin to sew on your actual workpiece always check the adjustments for stitching length and thread tension on a material remnant D Note Always remember to return the adjustment for the sewing foot D from this special to normal operation sewing tasks after the sewing of hems Sewing hemstitch With the sewing of hemstitches the loops of the upper looper thread should be pulled back to the underside of the material This is achieved by adjustment of the thread tension as described in the section Setting the thread tension
13. ins power socket before storageing the machine This prevents an unintended starting of the machine When the machine is not in use always cover it with the hood This will protect the machine from dust Store the machine at a clean and dry location Disposal K Do not dispose of the appliance in your normal domestic waste This product is mam subject to the provisions of European Directive 2002 96 EC Dispose of the appliance through an approved dis posal centre or at your community waste facility Observe the currently applicable regulations In case of doubt please contact your waste dispo sal centre Dispose of all packaging materials in an NI Qd environmentally friendly manner 21 Warranty and Service Importer This appliance comes with a 3 year warranty Purcha KOMPERNASS GMBH se date This appliance has been manufactured with BURGSTRASSE 21 care and meticulously examined before delivery 44867 BOCHUM GERMANY Please retain your receipt as proof of purchase In the case of a warranty claim please make contact www kompernass com by telephone with our service department Only in this way can a post free despatch for your goods be assured The warranty covers only claims for material and maufacturing defects not for wearing parts or for damage to fragile components e g buttons or bat teries This product is for private use only and is not intended for commercial applications In the event
14. k feeders hold the material tautly The differential feed motion can also be adjusted during sewing Uneven material edges and smoothness To obtain precise flat edges when sewing elasticated materials the front toothed rack feeders must push forward faster than the rear ones so that the material is not stretched For smoothness the front toothed rack feeders must also work faster than the rear ones With a larger stitching length the material stays easily smooth Place the differential feed motion at G ONG W Avoid ruffles by stretching To avoid seams casting wrinkles in very light materials or fine nylons the rear toothed rack feeders must work faster than the front ones Thereby the front toothed rack feeders hold the material taut so that it does not ruffle Place the differential feed motion at S NUNG SS E A WWW Trobleshooting Problem HN Needles are bent blunt or da Fit new needles maged at the points Insert the needles into the retainers Needles break Needles are not correctly inserted correctly You have pulled the material too Carefully guide the material with heftily both hands Yarn has not been correctly Thread the yarn correctl threaded Thread breaks Thread tension is too high Reduce the thread tension Insert the needles into the retainers Needles are not correctly inserted correctly e N
15. of misuse and improper handling use of force and interference not carried out by our autho rized service branch the warranty will become void Your statutory rights are not restricted in any way by this warranty DES Ltd Units 14 15 Bilston Industrial Estate Oxford Street Bilston WV14 7EG Tel 0870 787 6177 Fax 0870 787 6168 e mail support kGkompernass com CIE Kompernass Service Ireland Tel 1850 930 412 0 082 EUR Min Standard call rates apply Mobile operators may vary e mail support ie kompernass com lt 22
16. s will prevent possibly life threatening electric shocks Do not pull the plug out of the wall socket by the lead When pulling out the plug always hold the plug not the lead Only use the sewing machine in dry rooms Arrange for defective power plugs and or cables to be replaced at once by qualified technicians or our Customer Service Department This appliance is not intended for use by indivi duals including children with restricted physical physio logical or intellectual abilities or deficien ces in experience and or knowledge unless they are supervised by a person responsible for their safety or receive from this person instruction in how the appliance is to be used Children should be supervised to ensure that they do not play with the appliance Never use the machine when the ventilation apertures are blocked Keep the ventilation apertures of the machine and the foot switch free from fluff dust and waste material Should the cable connected to the foot pedal become damaged to avoid potential risks it must be replaced by the manvfacturer his customers services or a similarly qualified person Warning about injuries and material damages Keep your work space tidy An untidy workplace can lead to accidents Provide adequate lighting when working Do not wear loose clothing or jewellery as these can be caught in moving parts You should also wear a hair net if you have long hair Avoi
17. terial Cut through the threads with scissors Setting the thread tension The thread tension required is variable being depen dant itself on the type and thickness of the thread and fabric Check the seams and then adjust the appropriate thread tension on the machine Tensioning the thread When you turn the tensioning device to a lower number the tension reduces When you turn the tensioning device to a higher number the tension increases The wheels of the tensioning device have the following colours Correct thread tension Thread right needle Reverse Adjusting thread tension on the needle threads The tread tension on the left needle is too loose Adjust tension on the left thread The tread tension on the right needle is too loose Adjust tension on the right thread Adjusting thread tension on the looper threads The lower looper thread is firm and or the upper looper thread is loose Loosen the tension of the lower looper thread and or tighten the upper looper thread The upper looper thread is firm and or the lower looper thread is loose Loosen the tension of the upper looper thread and or tighten the lower looper thread Overview of the machine adjustments The most appropriate thread tension adjustment for one type of material is not necessarily the ideal adjust ment for a different material The thread tensions required are dictated by the pliability and thickness o
18. ting width is from material to material variable Each time test the seams and adjust the cutting width as follows 1 Turn the handwheel Q towards yourself until the needles are in the lowest position 2 Open the front flap 3 Press the lever PUSH D The free arm D lowers itself and the adjustment wheel for the cutting width D can be seen 4 Turn the djustment wheel for the cutting width With this you move the lower blade Continue turning it until the looper threads are lying at the edge of the material When you turn in the direc tion W wide the cutting width is broader When you turn in the direction N narrow the cutting width is narrower Examples Select a narrower cutting width if the material edges ruffle during sewing For this turn the adjustment wheel for cutting width D to the right N Select a larger cutting width if the yarn is being sewed beyond the material edge For this turn the adjust ment wheel for cutting width D to the left W Exchanging needles AN Attention Before exchanging the needles remove the power plug This prevents an unintended starting of the ma chine If you do not you run a risk of serious injury 1 Turn the handwheel towards yourself until the needles are in the highest position 2 Open the front flap Q and lower the sewing foot D 3 Loosen the setscrew against the needle with the Allen key from the accessories box and then re move the nee
19. tions 1 CD 2 0 3 3 A 1 Turn the handwheel to yourself until the needles stand fully at the top 2 Thread the left and right yarns as shown Thread guide and thread guide plate D Thread routing behind the front flap on the left D Note The yarn must lie correctly between the two discs of the thread tension selector 3 O Thread tension selector D D 4 Pull the end of the thread about 10 cm 4 out from the eyes of the needles Lift the sewing foot D and slide the thread under it then lower the sewing foot D back down The lever for lifting and lowering the sewing foot D is located at the rear of the machine above the sewing lever rod system Position the lever to lift the sewing foot D Trial run When yarn has been threaded for the first time or after a yarn breakage it must be rethreaded proceed as follows further thread routing Lift the sewing foot D Hold the ends of the threads between the fingertips 3 Guide the yarn as shown from front to back of your left hand slowly turn the handwheel Q two through the eyes of the needles or three times towards yourself and then check the threads once again Lay the material for a trial run under the sewing foot D and slowly start to sew The material will be automatically fed through When the task is complete continue sewing until an approximately 5cm 2 long length of threads has formed at the end of the ma
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