Euro-Pro 372 Sewing Machine User Manual
Contents
1. TROUBLE SHOOTING CAUSES AND REMEDIES e aaas NEEDLE THREAD BREAKS CAUSE REMEDY Needle not properly threaded Thread properly Thread tension too tight loosen tension Something wrong with the needle Replace needle Thread is too heavy for needle Change Thread check spring is broken Have a new spring fitted Needle not properly inserted Insert needle properly Needle plate shuttle or sewing foot damaged Replace BOBBIN THREAD BREAKS Bobbin thread entangled because of incorrectly wound bobbin Wind bobbin correctly Bobbin thread not under tension spring on bobbin case Thread bobbin correctly STITCHES ARE LEFT OUT Needle not properly fitted on needle bar Fit needle properly Needle bent or blunt Replace Needle worn Replace NEEDLE BREAKS Needle bent Replace Needle not properly fitted Fit needle properly Fabric too heavy or too hard Use needle of correct size You are pulling on the fabric Do not pull 202. A reverse blind stitch D gt oO gt Yi gt automatic buttonhole sewing THE PATTERN SELECTOR Model 373 372 IOl l i 3 i i straight stitch C 4 6 3 zigzag stitch E A triple zigzag stretch stitch Ili e triple straight stretch stitch 9 A overlock stitch 10 amp smocking stitch 11 tricot stitch 12 shell stitch trait di H automatic buttonhole sewing JuIL RE MOVING THE BOBBIN CASE AND BOBBIN 1 Raise the presser foot and turn the balance wheel towards you until the thread takd up lever is at its highest position 2 Openthe shuttle cover 3 Open hinged latch of bobbin case and pull bobbin case out of machine Release thelatch andthe bobbin will fallout As long as you hold the bobbin case latch open the bobbincannot drop out WINDING THE BOBBIN 1 Draw thread from spool through bobbin winder tension disc as shown 2 Pull end of thread through hole in bobbin as shown 3 Push bobbin winder shaft to far left position if itis not already there Place bobbin onto shaft with end of thread coming from top of bobbin Push bobbin winder shaft to right until it clicks Hold onto end of thread 4 Start machine The thread that is held will snap or may be trimmed with a scissors Bobbin will cease turning when completely filled Push shaft to left to remove bobbin When the bobbin winding is incorrect release the screw of the upper thread guide and
3. B zero point of zigzag width And sew a few stitches 6 Cut thebuttonhole open carefully using a seam ripper taking care not to damage the bar tacks SEWING BUTTONHOLES Model 373 372 1 Set the pattern selector at Then pass the needle thread Model 373 372 through the opening in the buttonhole foot and draw both of needle and bobbin threads to the right side Turn the balance wheel towards you until the needle comes to the point 1 2 Lower the foot and sew slowly until a desired length is sewn then stop the machine at 2 3 Raise the needle and set the selector at F then sew several stitches of bar tack until the needle is at point 3 4 Raise the needle and set the selector at WO then sew the left side of buttonhole just as the same length as the right side of buttonhole Stop the machine at 4 5 Raise the needle and set the selector at 4 then sew several stitches of final bar tack Stop the machine with the needle at point 5 6 Cut the buttonhole open carefully using a seam ripper taking care not to damage the bar tacks Note To make a heavier buttonhole sew twice by repeating the same procedure SEWING ZIPPERS Model 377 Model 374 Model 373 372 Raise the foot and the needle toits highest position by turning apie Siid A NiE A er pre tH the balance wheel towards you Replacethe foot with the zipper Elements o Fia 1 foot Elements 1 Pinor baste the zipper
4. ileal an an S 4 Changing the needle oneness 5 Thread anq needle chart ee ee ee 5 To Select a suitable need e ee 5 Removing and attaching the presser fOOt es 6 Regulaling e Tread icicle ee ee ee ee ee 6 Reverse a1 LI 8 Oe ee eee E ee ee 7 The pattem See Cle Fa 7 8 Removing the bobbin case and bobbin e g Winding Wie Boboen ee E 9 Threading the bobbin CASE m 9 Taeadno hienen ee ee te er ce eee ner ee eens 10 Drawing up the bobbin Thi ad see 11 Straight stitch and Zigzag tcl seer ete eee ever Pt 11 Changing sewing direction 12 Fastening Sedme receret ce 12 UNCC ne 12 Teo 21210 St sae ee 13 See dices ee ee 13 Overlock CG 13 Double ACTION StjtQh iei 14 Double overlock Siessen Ennan me ee eee nee eee net 15 SEWING DUtONNOLES eevee 14 15 SEWING Zip Pel See ee es 15 uC ee 16 CN ale al cla ieee ee ee cee ne eee eee 16 Sewing iii FOIA yc cepa eee 17 Daming 2 gt ere sree re 17 PO FS ores a ences eke taceeneateeete anata eeene ont aeeor ena aneae aa anes 17 Cleaning the feed dOg nnn 18 Cleaning the Shule es eee eee eee ee 18 Pree anil SOW NG ss 19 Troubleshooting causes and tere dies sce 20 PRINCIPAL PARTS Model 377 1 Bobbin winder thread guide 2 Thread tension dial 3 Pattern selector dial 4 Bobbin winder spindle 5 Bobbin winder stopper 6 Balance wheel 7 Stitch length dial 8 Reverse button 9 Needle clamp and screw 10 Shuttle cover 11 Presser foot 12 Presser foot thumb screw 13 Needle 14 Screw for face plat
5. machine with any air openings blocked Keep ventilation openings from the sewing machine and foot control free from the accumulation of lint dust and loose cloth Never drop or insert any object into any opening Do not use outdoors Do not operate where aerosol spray products are being used or where oxygen 1s being administered To disconnect turn all controls to the off O position then remove plug from outlet Do not unplug by pulling on cord To unplug grasp the plug not the cord Keep fingers away from all moving parts Special care 1s required around the sewing machine needle Always use the proper needle plate The wrong plate can cause the needle to break Do not use bent needles Do not pull or push fabric while stitching It may deflect the needle causing it to break Switch the sewing machine off O when making any adjustments in the needle area such as threading needle changing needle threading bobbin or changing presser foot and the like Always unplug sewing machine from the electrical outlet when removing covers lubricating Or when making any other user servicing adjustments mentioned in the instruction manual Always unplug before replacing lamp Replace bulb with the same rated 15 watts SAVE THESE INSTRUCTIONS English Contents Principal paS a een eee ee 3 4 How to connect the machine to the power SUP ply nennnnn 4 How to use the foot CONtFO iniii 4 How toreplace the Sewing
6. on the fabric using a stitches stitches a for heavy for light pencil or tailors chalk brics fabrics Note Model EP 377 and 374 only The mark on the stitch i To find the most suitable length dial shows a range of 33 stitch length itis better buttonhole sewing An to sew asample buttonhole adjustment can be made on a piece of waste fabric by setting the mark as When sewing very fine shown fabrics and synthetics de patna stitch length b range of crease the pressure of foot adjustable only on one side stitch length and sew over a piece of paper to prevent yarn dis tortion 14 SEWING BUTTONHOLES Model 377 and 374 1 Set the pattern selector at MJ Then pass the needle thread Model EP 377 and 374 only throughthe opening in the buttonhole foot and draw both needle and bobbin threads to the left side Turn the bdance wheel towards you until the needle comes to the point 1 2 Lower the foot and sew slowly until the desired length is sewn then stop the machine at 2 3 Raise the needle and set the selectorat MM Then sew several stitches of bar tack until the needle is at point 3 4 Raise the needle and set the selector at JJ then sewthe right side of buttonhole the same length as the left side of buttonhole Stop the machine at 4 5 Raise needle and set the selector at J then sew several stitches of final bar tack Stop the machine with the needle at point 5 To lock theads set the pattern selector at
7. tape to the fabric and place the work piecein position under the foot Attach snap on zipper foot so that the needle passes on its left hand side When starting sewing both needle and bobbin threads ends should be put away under the foot 2 Sew on the rightside of the zipper by guiding Zipper teeth as close as possible to the needle drop Before the foot reaches the slider on the zipper tape raise the foot and open the Zipper foot Needle zipper by keeping the needle in the fabric K Ranie Lower the foot and sew on the remaining of the seam en 3 Tosew the left side zipper change position of foot to bring i the foot to the left side of the needle Sew onin the same Pa way as you did on the right side of zipper Tape Element 15 English HEMMING Model 377 only Raise the foot and the needle to its highest position Replace the foot with the hemmer foot Fold over the fabric edge by about 3mm 1 8 inches and place it under the foot Secure the folded edge with afew stitches Take out the workpiece and draw the heminto the hemmer foot by pulling on the threads Lower the foot and swe the hem During sewing fold the fabric to the left alittle and allow itto run into the hemmer foot Make sure that the fabric does not move under the right half of the foot The fabric must be fedinto the scroll of the hemmer sufficiently so that the workpiece edge runs freely through the groove under the foot SEWIN
8. Another quality product from EURO PROX INSTRUCTION MANUAL English Spanish French Pe ee 3 77 374 373 372 EURO PRO Operating LLC 94 Main Mill Street Door 16 Plattsburgh NY 12901 4400 Bois Franc St Laurent QC H4S 1A7 0 OND WO 10 11 IZ 13 14 15 16 IMPORTANT SAFETY INSTRUCTIONS When using an electrical sewing machine basic safety precautions should always be followed including the following Read all instructions before using this sewing machine This sewing machine is designed for household use DANGER TO REDUCE RISK OFELECTRIC SHOCK A sewing machine should never be left unattended when plugged in Always unplug this sewing machine from the electrical outlet immediately after using and before cleaning Warning To reduce the risk of burns fire electric shock or injury to persons Do not allow to be used asa toy Attention is necessary when this sewing machine is used by or near children Use this sewing machine only for its intended use as described in this manual Use only attachments recommended by the manufacturer as contained in this manual Never operate this sewing machine if it has a damaged cord or plug if itis not working properly if it has been dropped or damaged or dropped into water Return the sewing machine to the nearest authorized dealer or service center for examination repair electrical or mechanical adjustment Never operate the sewing
9. G BLIND HEMS Model 377 374 373 372 Model 377 Model 374 Model 373 372 Presser foot blindhemfoot blind hom foot 1 Turn upthehem to the desired width and press Fig 1 2 Fold hem back against the right side of the garment with top edge of hem extending about 4mm 1 6 inches to the right side of the garment folded Fig 2 3 Place the garment under the foot sothat double folded edge runs along the hemliguide and lower the foot Sew slowly for better control making sure the narrow zigzag stitches are sewn on the hem edge and wide zigzag stitches will just catch one thread of folded edge Fig 3 4 Unfold the fabric and you will have a bling stitch hem Fig 4 16 hemmer foot Fig 2 Guide adjusting screw Fig 1 Foided edge Fig 3 SEWING EMBROIDERY Presser foot Pattern selector darning plate CD Jor zig Zag Raise and take off the foot Place the fabric in embroidery hoop Place darning plate over needle plate see below Lower the presser foot lifter Hold the embroidery hoop firmly with your hand While sewing the desired pattern move the embroidery hoop slowly and do not allow your fingers to get near the needle Set the needle thread tension a little looser so that the bobbin thread is not pulled through to the right side of fabric See page 13 It is recommended to mark the required embroidery pattern on the right side of th
10. O automatic buttonhole sewing Selecting Stretch Stitch When sewing stretch stitch set the stitch length dial at S S When you release the engagement on the dial the stretch stitch mechanism will be off automatically Standard djustment M triple straight stretch stitch middle needle Turn the stitch length dial so that position the SS mark is uppermost O C triple straight stretch stitch left needle This is a standard adjustment for most types of fabric position For different types of fabric adjustment may be necessary 1 5 54321 triple zigzag stretch stitch or ric rac stitch To shorten the stretch stitches turn the dial slightly to wards Tolengthen turn the dial towards A smocking stitch On most fabrics these adjustments allow for various B 3 fancy stretch stitch or blanket stitch pattern possibilities double overlock stitch When making stretch stitches the mark W mustalways overlock stitch be within the SS range see drawing c es D R English THE PATTERN SELECTOR Model 374 The desired pattern can be selected by turning the pattern selector dial The marks in the stitch display correspond to the patterns shown on the panel respectively as follows A CD straight stitch middle needle position B GS straight stitch left needle position C Aww Zigzag stitch with variable width D es tricot stitch E stretch blind stitch F gt double action stitch G
11. ad it across from left to right 5 Pull the thread upward and slip into the slotted hole of thread take up level from left to fight 6 Draw the thread through guides and and thread the needle from front to rear leave the thread about 15cm 6 inches longunderneath the presser foot 10 DRAWING UP THE BOBBIN THREAD 1 Hold the end of the needle thread with your left hand 2 Turn the balance wheel slowly towards you with your right hand until the needle goes down and comes up Then stop the balance wheel when the take up lever is at its highest position Lightly draw up the needle thread forming a loop with the bobbin thread 3 Puil about 15cm 6inches of both threads away from you under the presser foot STRAIGHT STITCH AND ZIGZAG STITCH Model 377 Model 374 Model 373 372 Presser foot zigzag foot zigzag foot Pattern selector M Cc ont o AC gt or BC cam for straight stitch for straight gtitch for straight stitch NW for zigzag stitch 1 5 54321 for zigzag stitch C NW for zigzag stitch Stitch length dial 0 3 4 0 3 4 z Starting Sewing 1 Be sure both the threads are drawn back under the presser foot 2 While holding the threads with your lefthand turn the balance wheel toward you to bring the needle into the fabric where you wish to start sewing 3 Lower the presser foot and press the speed controller gently then start sewi
12. adjust the thread guide up or down until the winding of the bobbin is balanced bobbin case THREADING THE BOBBIN CASE Hold the bobbin between the thumb and forefinger of your right hand and pull off about 15cm 6 inches of thread 1 Hold the bobbin case in your left hand as shown and place the filled bobbin inside 2 Pull the thread into the slot in the edge of the bobbin case 3 Now pull the thread under the tension spring and into the thread eyelet Toinsert the bobbin case and bobbin Ensure that about 15 cm 6 inches of thread extends out of bobbin Hold the bobbin case so that long finger on case points up Openthe latch of bobbin case Slip the bobbin case over the center pin of hook and pressin place until the long finger of the bobbin case enters the notch entirely to lock the bobbin in place Release latch and press it down English THREADING THE NEEDLE Install the spool pin behind the machine asshowninfig A Place spool on spool pin with thread coming from the back of the spool Place the take up lever 5 inthe highest position 1 Raise the presser foot using the foot lever marked B 2 Draw the thread through the thread guides on the top cover as drawing in 3 Hold the spool still with right hand pull the end of the thread between the tension disk as shown in 4 Following the slotted threading path pull the thread down to thethread check spring inside and le
13. and wind around stitches to form a firm shank Tie thread ends securely English CLEANING THE FEED DOG It is necessary to keep the feed dog teeth always cleaned in order to ensure smooth sewing 1 Remove the needle and the presser foot 2 Unscrew the needle plate set screws with a screw driver to take off the needle plate from the machine 3 With a brush clean out dust and lint clogged on the feed dog teeth 4 Refit the needle plate CLEANING THE SHUTTLE RACE Unplug the machine from the power supply To remove shuttle Raise needle to its highest position and remove bobbin case Turn levers away from shuttle and lift out retaining ring and shuttle by grasping center pin Clean the reverse side of feed dog witha small brush Remove lint and thread from all parts of shuttle and wipe with a lightly oiled cloth To reassemble Hold shuttle by center pin and fit carefully back into shuttle race forming perfect circle with shuttle driver Replace retaining ring polished side out making sure the bottom pin fits into notch Lock retaining ring by turning levers back into position Refit bobbin case with bobbin 18 shuttle bobbin shuttle driver FREE ARM SEWING This sewing machine can be used like a flat bed machine but easily converts to afree arm machine byremoving the extension table The free arm enables you to sew tubular types of pieces more easily Just slip the sleeve or pants leg on the f
14. bin When sewing stretch very fine fabrics and synthetics usea STRETCH needle The STRETCH needle effectively prevents skipped stitches When sewing very fine fabrics sew over apiece of paper to prevent yarn distortion CHANGING THE NEEDLE 1 Turn the balance wheel towards you until the needle is in its highest position 2 Loosen the needle clamp screw by turning its top edge towards you Remove the needle from the clamp 3 Place the new needle into the needle clamp with it s flat side facing away from you Push the needle up into needle clamp as far as possible 4 Tighten the needle clamp screw firmly TO SELECT A SUITABLE NEEDLE m Anumber indicating the size eae ae SSSSSSSSSSI I_IAIA _ _ SCS of needle is marked on the Stem stem The higher the number eS the thicker the needle s m A STRETCH needle is stretch needle recommended for stretch fabrics Do not use any needle which is bent or blunted cerca English REMOVING AND ATTACHING THE PRESSER FOOT To Remove 1 Turn the balance wheel towards you until the needle is at its highest position presser foot lifter 2 By lifting the lever on the back of the foot holder the presser foot will drop off Note Do not force the presser foot to remove it To Attach 1 Place the presser foot so that the pin on the foot lies just under the groove of the foot holder Lower the foot holder 2 When the presser foot lifter is rai
15. e 15 Face plate 16 Extension table 17 Stitch display 18 Presser foot lifter Accessories storage compartment 10 9 1 8 PRINCIPAL PARTS Model 374 1 Bobbin winder thread guide 2 Thread tension dial 3 Pattern selector dial 4 Bobbin winder spindle 5 Bobbin winder stopper 6 Balance wheel 7 Stitch length dial 8 Reverse button 9 Needle clamp and screw 10 Shuttle cover 11 Presser foot 12 Presser foot thumb screw 13 Needle 14 Screw for face plate 15 Face plate 16 Extension table 17 Stitch display l 18 Presser foot lifter Accessories storage compartment English PRINCIPAL PARTS Model 373 372 1 Bobbin winder thread guide 2 Thread tension dial q z 3 A 5 3 Pattern selector dial 4 Bobbin winder spindle 5 Bobbin winder stopper 15 6 Balance wheel 7 Stitch display 8 Reverse button 9 Needle clamp and screw 10 Shuttle cover 11 Presser foot 12 Presser foot thumb screw 13 Needle 14 Screw for face plate 15 Face plate 16 Extension table 17 Presser foot lifter Accessories storage compartment 1 QO 9 4 7 HOW TO CONNECT THE MACHINE TO THE POWER SUPPLY 1 Fit the machine plug into the machine 2 Plug the power cord to the power supply Note Before plugging in the machine ensure the voltage and number of cycles indicated conforms to your electrical Se Switch power supply HOW TO USE THE FOOT CONTROL Sewing speed can be varied by the foot control The harder you press on the controller
16. e effectively prevents skipped stitches 13 English DOUBLE ACTION STITCH DOUBLE OVERLOCK STITCH Model EP 377 only This is a good stilch to use in attaching or binding Use this versatile stitch to insert elastic in garments elastic fabrics and stretch lace lingerie stretch knit Simply stitch elastic into place making sure it is The stitch is decorative as well as useful evenly spaced To dothis mark the correct length piece into quarters then match these markings with Model 377 Model 374 Model 373 372 center front and side seams Presser foot zigzag foot zigzag foot o Pattern selector ccc F z i Stitch length dial 1 to 2 5 l t0 2 5 DECORATIVE EDGING Turn the raw edgeunder 2cm and press Place the fabric right side up with the middle of the turnover under the center of the presser foot so that the stitch sews on to the fold and just over the raw edge SKARAAAAAR ART Y underneath paler ear a SEWING BUTTONHOLES The built in buttonhole mechanism of this machine makes it possible to sew button holes in a short time without turning the material __ Model 377 374 Model 373 372 i gt Pattem selector E m Urm Stitch length dial ostol O Raise the foot and the needle to its highest position Replace the foot with the transparent buttonhole foot for sewing buttonholes buttonhole foot coarse dense Mark the location and the desired length of buttonhole
17. e fabric with a pencil or tailors chalk DARNING PLATE There are a few times when you want to control the feeding of the fabric yourself Raise needle to its highest position and raise presser foot Place darning plate over needle plate aligning two pins of darning plate with holes of needle plate You may then determine the movement of the fabric yourself See above for embroidery BUTTONS Model 377 Model 374 Model 373 372 button foot Pattern selector so a 4 6 3 1 Align two holes of button with slot of presser foot and lower foot to hold the button securely 2 Turn hand wheel manually until needle point is just above button 3 Adjust stitch selector so needle enters right hole of button 4 Turn hand wheel by hand so needle enters second hole The stitch selector may need to be adjusted again Stitch a number of times NOTE You may find it helpful to use trans parent tape to position your button and to keep it in place during sewing Tear away after stitching 5 Finish sewing with an extra two inches of thread remaining Draw these threads to reverse side of gar ment and tie 17 Holes of button embroidery hoop Thread Shank Sew through buttons on coats and jackets should nave a thread shank to make them stand away from the fabric Place a straight pin or sewing machine needle on top of button between the holes and sew over the pin or needle Pullthread to back ofbutton
18. fectively prevents skipped stitches 12 TRICOT ZIGZAG STITCH SMOCKING STITCH With a narrow strip of fabric directly under the line This stitch is very suitable for darning tears It can of gathering stitch over the gathers The design will also be used for reinforcing stretch materials and be a series of small diamonds sewing on fabric parts When smocking a garment the stitching should be done before the piece is sewn into the garment Model 377 Model 374 Model 373 372 Presser foot zigzagfoot zigzagfoot Pattern selector AH a sansa SS i Model 377 Model 374 Model 373 372 Pattern selector A ra 11 lt 7 Stitch length dial 0 3 to 4 05to4 So Note Usea STRETCH needle The stretch needle effectively prevents skipped stitches OVERLOCK STITCH With this seam it is possible to prevent raw edges especially on easilyfraying fabrics with a good locking and lasting edge finish __ Model 377 Model 374 Model 373 372 Stitch length dial S S Pattern selector D E 9 Z a Place the fabric under the presser foot so that the stitches are made over the edge Lower the presser foot and start sewing Guide the material lightly as shown Sew ona piece of waste fabric to check the machine setting The overlock stitches are formed correctly when the needle sews tothe rightand just misses the fabric edge Note Use a STRETCH needle The stretch needl
19. ng slowly Sew a few reverse stitches by pushing reverse button for reinforcing the end of seams Raise the needle toits highest position before turning the pattern selector dial and stitch width dial 11 English Changing Sewing Directions 1 Stop the machine and turn the balance wheel toward you to bring the needle down into the fabric Raise the presser foot 2 Pivot the fabric around the needle to change direction as desired 3 Lower the presser foot and continue sewing Fastening Seams 1 For fastening the ends of seams press in the reversing button and sew several reverse stitches 2 To remove the fabric raise the presser foot and draw the fabric away from you 3 Cut threads on thread cutter at the rear of presser bar or witha pair of scissors Leave about 15 cm 6 inches of hread hanging from the needle eye TRIPLE STRETCH STITCH Model 374 373 372 If you wish to sew stretch fabrics this is the right stitch to avoid thread breaking This is also very suitalbe for seams that need great strength e g crutch seams or pocket seams TRIPLE STRAIGHT STRETCH STITCH TRIPLE ZIGZAG STRETCH STITCH ee Model 377 Model 374 Model 373 372 Model 377 Model 374 Model 373 372 Presser foot zigzag foot zigzag foot Presser foot zigzag foot zigzag foot lI Pattern selector Pattern selector O CID gt 7 II Note Use aSTRETCH needle The blue tipped shank needle ef
20. ree arm as shown above You will find many uses for this free arm feature such as 1 Mend elbows and knees of garments more easily 2 Sew in sleeves more easily This is especially true when sewing smaller garments 3 Applique embroider or hem around edges of cuffs or pants legs 4 Sew in elastic casings in skirts or pants at the waist line 19 English TROUBLE SHOOTING CAUSES AND REMEDIES THREAD FORMS LOOPS CAUSE REMEDY Thread tension not properly regulated Read instructions for regulating needle and bobbin thread tension Needle thread properly threaded and or bobbin thread Thread machine properly and or wing bobbin thread correctly not properly wound Thread size not suited to fabric See Size of needle and thread Thread check spring not working properly Have spring replaced SHRINKING OR PUCKERING OF THE SEAM Tension too tight Read instructions for regulating needle and bobbin thread tensions Sewing foot pressure too strong Read instructions for regulating sewing foot pressure IRREGULAR STITCHES Needle and bobbin threads of poor quality Use top quality threads Bobbin thread unevenly wound Re wind bobbin MACHINE DOES NOT RUN FREELY AND MAKES A NOLSE Machine needs oiling Read instructions on how to oil Dust and thread in shuttle Read instructions on how to clean shuttle race Wrong oil used has now clogged machine Clean machine carefully and re oil with top quality oil Drive belt tension too tight Loosen tension of drive belt
21. sed youll fin d the presser foot is locked in place groove ax pin Se gt REGULATING THE THREAD TENSION Generally should any tension adjustment be necessary the adjustment can normally be made by regulating the upper thread tension dial only Bobbin thread tension has been adjusted at the factory and readjustment is seldom required except for special instances thread and fabric Bobbin thread tension is just right when you can pull the thread from bobbin case easily with a little resistance Thread tension may be adjusted by tightening or loosening the thread tension dial The needle thread and the bobbin thread Properly adjusted thread should interiock in the center of two layers of fabric tension for straight sewing How to adjust the bobbin thread tension The needle thread is too tight The bobbin Loosen the needle thread tension by a e moving the dial to the lower number copar surface of the fabrics To increase tension A turn screw clock wise To decrease tension turn screw counter The needle thread is too clock wise loose The needle thread ap pears on the underside of Tighten the needle thread tension by the fabrics moving the dial to the higher number Remember the higher the number the tighter the tension Correctly balanced tensions for one fabric may not be suitable for another The required tension depends upon the stiffness of fabric thickness of the fabric n
22. the faster the machine runs Note By releasing the controller the machine stops running auto matically Before using the machine practice controlling the speed without threading HOW TO REPLACE THE SEWING LAMP The sewing lamp is located behind the face plate Remove the face plate by loosing the screw of the face plate Bulb type To remove Unscrew To replace Screw Note Before replacing a bulb disconnect the machine from the power supply Bulbs are available from sewing machine retailers Use a 15 Watt bulb Caution Before leaving the machine changing parts or doing any other work on it always disconnect the plug from the wall socket THREAD AND NEEDLE CHART FABRICS THREADS NEEDLE SIZE Fine Silk LIGHT Sheer cottons Silk Fine Cotton WEIGHT Synthetics Georgette Fine Synthetic 9 or 11 Fine Cotton Covered Polyester 50 silk MEDIUM Medium Weight Cottons Synthetics 50 to 80 Cotton WEIGHT Poplin Velvet Light Weight Woollens 50 to 60 Synthetic 11 or 14 Cotton Covered Polyester 50 Silk HEAVY Heavy Weight Cottons Denim 40 to 50 Cotton WEIGHT Tweed Gaberdine Drapery 40 to 50 Synthetic 14 or 16 Cotton Covered Polyester Note In general fine threads and needles are used for sewing thin fabrics and thicker threads and needles are used for sewing heavy fabrics Always test thread and needle size on asmall piece of fabric which will be used for actual sewing Use the same thread for needle and bob
23. umbers of layers of fabric being sewn as well as the type of stitch you are making Itis better to test the stitch ing on a scrap of the fabric you are using before starting to make a garment The general range for many fabrics is 3 5 STITCH LENGTH DIAL Model 377 and 374 only To change the length of the stitches proceed as follows Turn the dialso that the number forthe required stitch length is at setting mark The numbers indicate the approximate stitch lengthinmm The smaller the numbers the shorter the stitch Model 377 Model 374 a setting 2 3 l l sal 3 1 j e gi J 1 1 l stitch lengths REVERSE STITCH Model EP 377 374 373 372 Press center of the stitch length dial reversing button and hold for reverse stitching Fabric will immediately start feeding backwards Release button and machine will resume normal forward sewing Very useful for fastening ends of seams and darts without having to tie threads and for strengthening seams THE PATTERN SELECTOR Model 377 The desired pattern can be selected by turning the pattern selector dial The marks on the dial correspond to the patterns shown on the panel respectively as follows l M straight stitch middle needle position O GD straight stitch left needle position 1 5 54321 zigzag stitch with variable width A 2 tricot stitch B stretch blind stitch C double action stitch D reverse blind stitch D gt O gt
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