Necchi L234A Page 36 Instruction Manual Download | Manualshive

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Sewing Basics

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Summary of Contents for L234A

Page 1: ...I Instruction Manual L234A ...

Page 2: ......

Page 3: ... by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved 6 Children shall not play with the appliance 7 Cleaning and user maintenance shall not be made by children without supervisio...

Page 4: ... or dumps hazardous substances can leak into the groundwater and get into the food chain damaging your health and well being 21 When replacing old appliances with new ones the retailer is legally obligated to take back your old appliance for disposal at least for free of charge 22 The appliance is not to be used by persons including children with reduced physical sensory or mental capabilities or ...

Page 5: ... Deactivate the upper cutter 7 Reactivate the upper cutter 7 Attach the 2 thread overlock converter 8 Remove the 2 thread overlock converter 8 Machine Settings 9 Getting ready to sew 10 What needle and thread to use with different fabrics 10 General threading information 10 Threading the upper looper red 11 Threading the lower looper yellow 12 Threading the left needle purple 14 Threading the righ...

Page 6: ...g thread 30 Start sewing 31 Rolled edge sewing 33 Flatlock sewing 34 Maintenance And Trouble Shooting 36 Machine maintenance 37 Replacing the lower cutter 38 Replacing the upper cutter 39 Trouble shooting guide 40 Technical specifications 42 ...

Page 7: ...Machine Introduction ...

Page 8: ...gth dial 8 Upper cutter on off switch 9 Left needle thread tension dial purple 10 Right needle thread tension dial green 11 Upper looper thread tension dial red 12 Lower looper thread tension dial yellow 13 Thread guides 14 Front cover 15 Presser foot lifter 16 Needle plate 17 Needles 18 Presser foot 19 Presser foot pressure adjustment knob 20 Stitch finger lever 21 Cutting width lever 22 Hand whe...

Page 9: ... Lower looper threader 30 Lower looper 31 Upper looper 32 Upper looper thread guides 33 Lower looper thread guides 1 Needle pack including two needles size 14 90 2 Tweezers 3 Allen key to change needles 4 Screwdriver 5 2 thread overlock converter 6 Foot Control 7 Waste collector Accessories 5 7 6 1 2 3 4 ...

Page 10: ...switch I v Foot control Press the foot control to start sewing Use the foot control to adjust the sewing speed The harder you press the faster the machine will sew To stop the machine from sewing remove your foot from the control Note When the front cover is open the safety switch is activated and prevents the machine from sewing even if the foot control is pressed Note Consult a qualified electri...

Page 11: ...he machine is already threaded straighten the threads to prevent tangling Open and close the front cover Open the front cover First push the cover to the right as far as it will go and then pull it downward toward you Close the front cover First pull the cover upward and then slide it to the left until it locks Note The front cover has a safety switch and the machine will not sew if the front cove...

Page 12: ...lat bed extension Insert a finger in the slot on the left side of the flat bed extension Slide the flat bed extension to the left and remove it from the machine v Replace the flat bed extension Align the projections on the flat bed extension with the grooves on the free arm and slide it to the right until it snaps into place Presser foot lifter Raise the presser foot with the presser foot lifter a...

Page 13: ...Remove the left or right needle depending on the stitch type you want to sew 4 Hold the new needle s with the flat surface to the back 5 Insert the needle s into the left and or right needle clamp as far as it they will go 6 Securely tighten the left or right needle clamp screw 1 Right needle clamp screw 2 Left needle clamp screw Note When using both needles the left needle is positioned a little ...

Page 14: ...resser foot holder 2 Pin 3 The groove of the ankle Note Optional feet are not included v Deactivate the upper cutter Turn the hand wheel toward you until the upper cutter is in its lowest position Turn off the upper cutter by switching the upper cutter switch to non cutting position v Reactivate the upper cutter Turn on the upper cutter by switching the upper cutter switch to cutting position 1 No...

Page 15: ...the machine will sew with only two threads Open the front cover Bring the upper looper to its higher position by turning the hand wheel toward you 1 2 thread overlock converter 2 Upper looper Insert the tip of the converter A into the hole of the upper looper B Push the converter down into the slot of the upper looper v Remove the 2 thread overlock converter Remove the converter by tilting it towa...

Page 16: ...Machine Settings ...

Page 17: ...eedle s 2 Unthread upper and lower looper 3 Thread the upper looper 4 Thread the lower looper 5 Thread the needle s from left to right See the table below for recommendations on what needles and thread to use for different fabric weights Tip Your new machine is threaded to sew a 4 thread overlock Tie your own threads to these threads and carefully pull them through the machine to easily thread you...

Page 18: ...ine following the red color coded thread guides Use the tweezers to make the threading easier Use the tweezers to bring the thread behind the lower looper and thread into the hole in the upper looper from front to back Pull about 10cm 4 of thread through the looper and place it to the back of the stitch plate 1 3 Thread guides 4 Upper looper hole While holding the thread with both hands pass it be...

Page 19: ... pass the thread from front to back through the hole in the lower looper Pull about 10cm 4 of thread through the looper and place it over the upper looper and to the back of the stitch plate 1 4 Thread guides 5 Lower looper hole 6 Upper looper While holding the thread with both hands pass it between the tension discs and pull it down to make certain it is properly placed between the tension discs ...

Page 20: ...oper threader Pull the lever on the lower looper threader gently upwards as far as it will go Release the lever and the lower looper becomes fully threaded 1 Fingers of the lower looper threader 2 Lower looper threader lever Note When both loopers are threaded the threads should run as illustrated to the right 1 2 ...

Page 21: ...needle s Thread the eye of the left needle Use the tweezers to make needle eye threading easier Pull about 10 cm 4 of thread through needle eye to hang free Place the thread to the back under the presser foot 1 2 Thread guide 3 Left needle While holding the thread with both hands pass it between the tension discs and pull it down to make certain it is properly placed between the tension discs 1 Te...

Page 22: ...e needle s Thread the eye of the right needle Use the tweezers to make needle eye threading easier Pull about 10 cm 4 of thread through needle eye to hang free Place the thread to the back under the presser foot 1 2 Thread guide 3 Right needle While holding the thread with both hands pass it between the tension discs and pull it down to make certain it is properly placed between the tension discs ...

Page 23: ... the cutting width lever and slide it until snaps into place 1 Projection of the waste collector v Remove the waste collector Grab the upper right edge of the waste collector and pull the collector to the right obliquely to remove it When sewing the fabric scrap will fall along the front cover into the waste collector ...

Page 24: ...nced when it is pulling on the top side of the fabric Loosen the thread tension of the upper looper or tighten the thread tension of the lower looper Upper looper thread is too loose The upper looper thread is unbalanced when it is pulled to the wrong side of the fabric Tighten the thread tension of the upper looper or loosen the thread tension of the lower looper Correct thread tension Lower loop...

Page 25: ... right needle thread is too tight loosen the thread tension of the right needle Right needle thread is too loose If the right needle thread is too loose tighten the thread tension of the right needle Left needle thread is too tight If the left needle thread is too tight loosen the thread tension of the left needle Left needle thread is too loose If the left needle thread is too loose tighten the t...

Page 26: ...ric being sewn Test sew with different settings before sewing on your project The differential feed system consists of two sets of feed teeth arranged one behind the other Both feed teeth work independently of each other to provide good results when sewing on speciality fabrics When the amount of feed by the front feed teeth is changed in relation to the feed by the rear feed teeth it will stretch...

Page 27: ...abric before sewing on your project Increase or decrease the pressure in small increments by turning the presser foot pressure screw Less pressure Decrease the pressure by turning the adjustment knob in counter clockwise direction towards the Back to standard setting Turn the adjustment knob until the distance from the front cover to the head of the screw is 10mm 3 8 More pressure Increase the pre...

Page 28: ...r By fine tuning the cutting width using the cutting width lever adjustments are possible within the range shown below When only the left needle is used 5 7mm When only the right needle is used 3 5mm Move the lever up and down to adjust the stitch width 7 is the widest and 1 is the most narrow setting 1 Cutting width lever 1 2 1 Stitch width settings The stitch length dial should be set to 3 for m...

Page 29: ...ll standard overlock sewing To sew rolled edge you need to retract the stitch finger by setting the stitch finger lever to R Rolled Edge When moving the stitch finger be sure to push the lever as far as it will go in each direction Stitch finger lever setting ...

Page 30: ...Stitch Chart ...

Page 31: ...f your fabric before sewing on your project In the table below different fabric weights and types are explained For you to better understand how the stitches are formed each of the threads are displayed in different shades of grey Icon explanation sheet Woven light Chiffon voile organza batiste silk etc Needle position 2 thread overlock converter Woven medium Cotton chino wool satin etc Differenti...

Page 32: ...t needle instead for a narrow stitch Recommended thread tension settings within brackets in the chart Stitch Fabric Thread Tension Both 1 0 3 5 6 N 3 3 4 4 Both 1 0 3 5 6 N 4 4 4 4 Both 1 0 3 4 5 6 N 4 4 4 4 Both 1 0 3 5 6 N 4 4 4 4 Both 1 0 3 5 6 N 4 4 4 4 Both 1 0 3 4 5 6 N 4 4 4 4 Stitch Fabric Thread Tension Left 1 0 3 5 6 N 4 4 4 5 4 5 4 5 Left 1 0 3 5 6 N 4 4 4 5 4 5 4 5 Left 1 0 3 4 5 6 N 4...

Page 33: ... effect either with the flatlock side or the ladder stitch side Create varying effects by threading the loopers with decorative thread such as 40 weight rayon Note Use the right needle instead for a narrow stitch Recommended thread tension settings within brackets in the chart Stitch Fabric Thread Tension Right 1 0 1 1 5 5 6 R 5 6 6 3 Right 1 0 1 1 5 5 6 R 5 6 6 3 Right 1 0 1 1 5 5 R 5 6 6 3 Stitc...

Page 34: ...arrow For overcasting a single layer of light to medium weight fabrics 2 thread overlock converter required Note Use the right needle instead for a narrow stitch Recommended thread tension settings within brackets in the chart Stitch Fabric Thread Tension Right 1 0 1 1 5 5 R 5 4 6 7 9 Right 1 0 1 1 5 5 R 5 4 6 7 9 Right 1 0 1 1 5 5 R 5 4 6 7 9 Stitch Fabric Thread Tension Left 1 0 2 4 5 6 N V 1 2 ...

Page 35: ...ft 1 0 3 4 4 5 5 6 N V 4 6 5 7 1 3 4 6 Left 1 0 2 4 4 5 5 6 N V 4 6 5 7 1 3 4 6 Left 1 0 3 4 4 5 5 6 N V 4 6 5 7 1 3 4 6 Left 1 0 3 4 4 5 5 6 N V 4 6 5 7 1 3 4 6 2 Thread rolled edge For edging lightweight fabrics It gives a nice finish on silky scarves pillow ruffles and napkins Thread the looper with a decorative lightweight thread such as 40 weight rayon for a beautiful satin edge 2 thread conv...

Page 36: ...Sewing Basics ...

Page 37: ...read tails to 2 3cm approx 1 in length and firmly pull both threads to test knot security 4 Raise the presser foot 5 First note tension dial settings and then turn the tension dials down to 0 6 Pull the threads through the machine one at a time until the knots are in front of the needle If the threads do not pull easily check for tangles on thread guides or looping under thread stand 7 Cut the thr...

Page 38: ...if all threads wind around the stitch finger of the stitch plate If the threads do not wind around the finger make sure each thread is threaded correctly 5 Continue holding the thread chain while pressing the foot control Sew until the chain is 5 8cm 2 3 in length 6 Place fabric under the front of the presser foot and sew a test sample Guide the fabric slightly with your left hand while sewing Do ...

Page 39: ...stic fabrics such as knits Cording prevents knit fabrics from stretching and also stabilizes the seams 1 Insert the cord through the hole in the front of the foot 2 Position the cord under the foot to the back of the machine and sew the garment seam 3 The cord is attached in the stitch as the seam is sewn Gathering using the differential feed The differential feed can be used to gather lightweight...

Page 40: ...length dial to 1 1 5 for a fine seam Set the thread tension according to the stitch table Make a thread chain and test sew on a sample of your fabric before sewing on your project Hold the thread chain while beginning to sew to keep it from curling into the seam 3 Thread rolled edge B narrow edge C A variant of the rolled edge stitch B is the narrow edge C It can be obtained by adjusting the threa...

Page 41: ...adjusted correctly for the fabric to pull flat properly A flatlock can be used both as a decorative construction stitch sewing two pieces together standard flatlock or for decoration only on one piece of fabric decorative flatlock There are two ways to sew a flatlock Either with the wrong sides of the fabric together to create a decorative look or with the right sides together to create a ladder s...

Page 42: ...35 Ladder stitch D A ladder stitch is a flatlock stitch but sewn with the right sides of the fabric together The needle thread will be the prominent thread that creates the ladder D ...

Page 43: ...Maintenance And Trouble Shooting ...

Page 44: ...Attention Turn off the main power switch and unplug the machine Open the front cover and remove all the lint using a lint brush Oiling n Attention Turn off the main power switch and unplug the machine To keep the machine running smoothly and quietly the moving parts pointed out in the picture must be lubricated often We recommend lubricating after every 24 hours of use Use sewing machine oil Do no...

Page 45: ...necessary adjustments Turn off the upper cutter Open the front cover Loosen the lower cutter set screw and remove the stationary cutter Place a new lower cutter in the groove of the lower cutter holder The blade of the lower cutter shall be flush with the stitch plate Tighten the lower cutter set screw Turn the upper cutter on again Turn the hand wheel so the needles are in their lowest position 1...

Page 46: ...n the front cover Loosen the upper cutter set screw and remove the upper cutter Place a new upper cutter in the groove of the upper cutter holder The front edge of the upper cutter is approx 0 2 0 5mm lower than the cutting edge of the stationary cutter Tighten the upper cutter set screw Turn the upper cutter on again 1 Non cutting position 2 Cutting position 3 Upper cutter 4 Upper cutter set scre...

Page 47: ...ct 2 Refrain from pulling fabric manually allow feed teeth to draw fabric under presser foot 3 Needle may not be the correct size for the fabric being sewn 3 Use a needle size that is compatible for the fabric 10 Thread Breaks 1 Machine may not be threaded correctly threads threaded in the incorrect sequence 1 Check that machine is threaded in correct order 10 2 Thread is not unreeling smoothly of...

Page 48: ...ric Puckers 1 Thread tensions are set too tightly 1 Loosen thread tensions 16 2 Thread is not unreeling smoothly off the thread spool 2 Check the thread spool to ensure thread is not getting caught 3 Using thread that is poor quality or has uneven filament 3 Use good quality thread with a smooth even filament 4 Stitch length is set too short 4 Adjust stitch length to a longer setting 20 5 Differen...

Page 49: ...oot rise 5 7mm Number of needles 1 2 Differential feed ratio 0 7 2 0 Weight 6 3kg Number of threads 2 4 Type of lamp LED light Machine dimensions Width 323mm Depth 280mm Height 295mm Protection class II Europe Power rating Machine 100Watt LED Light 100mWatt Rated voltage 120V 60Hz North America 230V 50Hz Europe 240V 50Hz UK Ireland North Ireland Cyprus ...

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Page 52: ...arding the collection systems available If electrical appliances are disposed of in landfills or dumps hazardous substances can leak into the groundwater and get into the food chain damaging your health and well being When replacing old appliances with new ones the retailer is legally obligated to take back your old appliance for disposal at least for free of charge ...

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