Pfaff SZA-645F manual

MODEL -1 I p It * - -- *0 — - :- 4 4aç C t -t : INSTRUCTIONS for the use and maintenance of your sewing machine SZA-645F C S. I I 1 / I[...]

j SOME SAFETY RULES 1. Be careful when sewing that your fingerswill not be injured by the needle. 2. Make sure you pull out the power cord plug whenever you want to change needle, sewing foot, bobbin or needle plate, when you clean and oil the machine, or when you have to interrupt sewing and leave the machine for a while. 3. Be sure to use only a [...]

TABLE OF CONTENTS Know The Parts . Front View Back View Accessories Extension Plate Handle Needles And Threads Ball Point Needles Changing Needle Changing Presser Foot Threading Machine Winding Bobbin Bobbin Winder Stop Threading Upper Thread Removing Bobbin Case Threading Bobbin Case Inserting Bobbin Case Bringing Up Lower Thread Controls Stitch P[...]

3 Stretch Stitching 23 Stretch Straight Stitch 23 3-Step Stretch Zig-zag Stitch 23 Rickrack Stitch 24 Slant Overlock Stitch 24 Feather Stitch 24 Decorative Stitching 25 Top Stitching 25 Feather Stitch 25 Rickrack Stitch 26 Adjusting Stitch Balance 26 Double Needle 27 Turning a Square Corner 28 Smocking 28 Monograms 29 Appliques 29 Embroidery 30 Fin[...]

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Handle Limit lever Upper thread guide Take-up lever Dial tension Thread tension Thread guide Needle bar Needle clamp Needle plate Shuttle Cover KNOW THE PARTS FRONT VIEW 12 10 11 18 19 12. 13. 14. 15. 16. 17. 18. 19. Stitch indication panel Stitch pattern dial Stitch length dial Reverse stitch dial Base plate Rule[...]

20. 21. 22. 23. 24. 25. 26. 27. Spool pins Bobbin winder Bobbin winder stop Stop motion knob Hand wheel Main switch Belt cover Socket Bobbin winder guide Pressure regulator Face plate Presser foot lever Presser bar Presser foot thumb screw Presser foot Bed plate Machine body plate Machine cover 20 21 22 BACK VIEW 23 24 25 26 27 37 28. 29. 30. 31. 3[...]

Accessories 1. 3 Bobbins 2. 3 Needles (Size 14) 3. 1 Double needle (Size 14) 4. 2 Felt pads (for spool pins) 5. Zipper foot 6. Straight stitch foot Stretch stitch foot Buttonhole foot Button sewing foot Quilting attachment 2 Screwdrivers Cloth guide I rz 14(f)t 2 L14 3 4 10 7 8 9 11 7. 8. 9. 10. 11. 12. —3—[...]

EXTENSiON PLATE To attach extension plate, set ex tension plate around the free arm plate of machine from the left side. • In case of setting the extension plate, you can use it for flat bed sewing machine. • In case of removing the extension plate, you can use it for free arm sewing machine. ACCESSORY BOX Accessories for your sewing machine ar[...]

NEEDLES AND THREADS The needle and thread you choose depends upon the fabric you are stitching. The correct needle size is important to avoid damaging the fibers of light weight or tightly woven fabrics, and to prevent needle breakage when stitching heavy or stiff fabrics. Needle - . iiireau Fabric size . polyester tricot, lingerie fabrics, chiffon[...]

CHANGING NEEDLE Raise needle to its highest position by turning hand wheel toward you. Loosen needle clamp screw and remove needle. Place new needle so its flat side faces back. Push up into needle clamp as far as possible. Tighten screw with a screwdriver. Turn hand wheel toward you one com plete rotation to be sure needle is correctly positioned.[...]

THREADING MACHINE WINDING BOBBIN Place spool of thread on spool pin and thread as shown in illustration. Be sure thread goes under tension disc on bobbin thread guide and through slot. Put thread through one of the holes in empty bobbin from inside to outside. Push bobbin down firmly on bobbin spindle at top of machine with slot in bobbin fitting i[...]

THREADING UPPER THREAD Raise presser foot and needle to its highest posit ion by turning hand wheel toward you. Place thread on Spool pin, and pass thread through according )fl to the numbers shown in the illust ration. as n le d.[...]

REMOVING BOBBIN CASE Raise needle to its highest position by turning hand wheel toward you. Pull out slide plate. Lift open hinged latch of bobbin case and pull case straight out of machine. Bobbin will remain in case as long as latch is open. To remove bobbin, hold bobbin case down, close latch, and bobbin will fall out. THREADING BOBBIN CASE Hold[...]

INSERTING BOBBIN CASE Be sure that 15 cm of thread extends out of bobbin. Hold bobbin case so long finger on case points up. Open latch. Slip case over center pin in shuttle and press in place until long finger enters notch. Release latch, and press down. Close slide plate. BRINGING UP LOWER THREAD Raise presseT foot. Hold needle thread loosely wit[...]

CONTROLS 1 42 1 ‘ k9 lizi _____ ‘ D Ill Y HI 0 On the front of the machine, you will find the easy-to-use stitch pattern dial to select the different stitches. You can produce a variety of decorative and utility stitches, including stretch stitches. NOTE: Before selecting one of the super zigzag stitches (underlined iii Yellow on stitch indica[...]

STITCH LENGTH Stitch length dial regulates the length of stitch. When you set stitch length dial at 0 position, machine does not feed fabrics. According to turning the stitch length dial to right-ward, the length of stitch is going to be longer. In case of setting the stitch length dial at 5 position (max), the length of stitch will be maximum. Whe[...]

TENSION OF UPPER THREAD Tension on the upper thread can be easily adjusted by turning dial on front of the tension discs. Your machine, has been set at the factory for even thread tension at 6 setting. However, you may have to adjust the tension when using different threads or sewing on fabrics of dif ferent thicknesses. Loosen tension somewhat whe[...]

TENSION OF LOWER THREAD If you are unable to balance the stitch by adjusting tension on the upper thread, you may have to make a slight adjustment in the bobbin tension. Take out bobbin case, remove bobbin and clean out any dust or lint which has collected around the case. Turn screw on bobbin case slightly in either direction using the small screw[...]

FABRiC FEED The Fabric Feed or teed dog moves fabric forward or backward under the presser foot. It can be raised or lowered by depressing the fabric feed plate located at the right of the shuttle. For ordinary straight or Zigzag stitch ing, depress plate ( ) down. This raises fabric feed to its highest position. For darning, embroidering and sewin[...]

CHART FOR MAKING DIFFERENT TYPES OF STITCHES Straight stitching Zig-zag stitching Full zig-zag stitching Super zig-zag stitching ree Adjust as needed çç Buttonhole sewing 3 42 1 ii:i Double needle sewing Em broide ring and darning NOTE: Before selecting one of the super zigzag stitches (underlined in Yellow on stitch indication panel), first turn[...]

OPERATION OF THE MACHINE (A), (B) Raise the presser foot (33) by lifting the presser foot lifter (30). Place the fabric to be sewn under the presser foot and lower presser foot onto the fabric. Turn the hand wheel (23) toward you until the needle enters the fabric and you are ready to sew. The fabric will be fed forward with the movement of the fee[...]

USING THE CLOTH GUIDE AND THUMB SCREW This is an attachment, which you will find in the accessory box, designed as a guide for straight stitching when making wide hems, pin tucks or when seam widths are wider than the presser foot allows. Fasten the cloth guide to the bed of the machine by means of the thumb screw, inserting the thumb screw into a [...]

STRAIGHT STITCHING Machine Setting — STRAIGHT STITCH This is the most usual type of stitching. Use either the straight stitch foot for greater control or the zig-zag foot. When using the straight stitch foot, be sure stitch pattern knob is in the straight stitch position to prevent needle from hitting presser foot. Adjust stitch length according [...]

Basting Machine basting is very useful for join ing seams for trial fittings, marking construction guidelines, and basting pleats and hems. Use longest stitch possible, setting stitch length at 5. Loosen tension on upper thread. Choose thread color to contrast with your fabric so it can be easily seen. Basting stitches can be removed easily by clip[...]

‘I ZlG-ZAG STiTCHING Be sure to use zig-zag foot. You can make any number of combi nations by adjusting zig-zag width and stitch length. Both knobs can be turned while machine is running. How ever if machine is not running, turn hand wheel toward you to raise needle to its highest position before adjusting stitch pattern knob. Tension on upper th[...]

Shell Stitch Edging A decorative edge treatment for lingerie and other soft fabrics can be made with the blindstitch. Fold under edge of fabric. Set stitch length between 2 and 4. Tighten upper thread tension so stitches will pull in fabric, forming a scalloped edge. Place edge of folded fabric under presser foot from the right, so fólded edge is [...]

STRETCH STITCHING When sewing knitted or stretch fabrics, choose one of the stretch stitches which allows the seam to stretch with the fabric without breaking the thread. Select polyester or cotton covered polyester thread which has an extra amount of give and is designed for knits and stretch fabrics. Use a ball point needle, especially on lightwe[...]

which Use to overcast edges of seams, facings Select and hems to prevent raveling and to of give keep lightweight knits from rolling. Besides knits use for edges of thin eciallv . ‘ easily frayed fabrics which have a tendency to pucker when overcast with ordinary zig-zag. Also suitable for overcasting heavy fabrics such as wool ens and terrycloth[...]

DECORATIVE STITCHING TOP STITCHiNG You can accent lines of a garment with one or more rows of topstitching along collars, lapels, yokes, facing edges, pockets, cuffs, seams and hems. For a tailored look, use regular straight stitch, sewing with buttonhole twist for added emphasis. Or use straight tretch stitcir for a heavier row of stitching. For d[...]

RICKRACK STITCH more sing a with ilong dges, aight twist aight w of f the Machine Setting —- ADJUSTING STITCH BALANCE Incorrect Adjustment Correct co2) ‘ Incorrect Adjustment Correct Your machine has a stitch balance adjuster for regulating the uniformity of the forward and reverse stitching of all the super zig-zag stitch patterns. The adjuste[...]

MONOG RAMS Many decorative stitches can be used to add a personal touch by monogram- ing a dress or blouse, writing a name on children’s clothes, or initialing household linens. ii - Very simple straight-line monograms can be made with the straight stretch stitch. Use the satin stitch for script or block letters, either alone or in combination wi[...]

Machine Setting— or EMBROIDERY Presser toot Stitch pattern F Limit lever Stitch length Fabric feed None in a! Free-motion embroidery allows you to move the fabric in any direction under the needle in order to create your de sign. Use either a straight stitch or a a plain zig-zag stitch. It Trace design on right side of fabric. best results, place[...]

FINISHES Many of the finishing touches in a garment can be done by your machine — over casting seams, hemming, making buttonholes, sewing on buttons, and inserting zippers. SEAM EDGES Seam edges in fabrics that fray nust be stitched or “overcast” to prevent raveling during wear and washing. Press seam open and stitch each side separately. •[...]

SLANT OVERLOCK STITCH Machine Setting — Zig-zag stitch can be used for overcast ing in more firmly woven fabrics. Trim edges first, then stitch so needle catches outer edge of fabric. (See page 21) 3-STEP STRETCH ZIG-ZAG STITCH 3-step stretch zig-zag can be used for overcasting knits, thin easily frayed fabrics which pucker when overcast with ord[...]

H E M — Hem can be made quickly and easily with no hand sewing by using the blindstitch. BLJNDSTITCH Machine Setting— Blindstitch consists of four straight stitches and one zig-zag or blind stitch. It provides a durable hem that is almost invisible when using thread the same color as the fabric. Only the blind stitches will show on right side o[...]

BUTTONS Machine Setting } You can sew both two and four hole buttons with your machine. Change presser foot to the button sew: ing foot and be sure to lower fabric feed by turning knob to ( ). Place button under button sewing foot. Set stitch pattern knob the same width as the hole in the button. Turn hand wheel toward you and test carefully that t[...]

BUTTONHOLES Machine Setting 0 Your machine has a built-in button holer — just dial the stitch pattern knob for the four steps in stitching a• buttonhole. • Mark position and length of button hole on fabric. Length of the hole is determined by the width plus thickness of the button. The finished buttonhole should be 3mm longer than this measur[...]

Stitching Buttonhole Stitch pattern STEP I — Turn stitch pattern knob feed I 1 to #1. Place fabric under I buttonhole foot so needle I enters fabric on the mark at 1 end -nearest you. Machine I stitches first row in reverse. Stitch right side of button- 4 2 hole the desired length. Raise needle to its highest position. 2 I I STEP 2— Turn stitch[...]

ZIPPERS Machine Setting — Zipper foot allows you to stitch right next to a raised area such as a zipper or cording. The foot is adjustable so it can be moved to the left or right side of the needle without having to turn the fabric. Raise needle to its highest position, attach zipper foot, and set dials for straight stitching. To adjust foot for [...]

‘abric feed stitch right as a zipper justable so r right side rig to turn position, dials for of needle: t and slide dle passes .e of foot. ;ure it will ten thumb de foot to n easy to ing. finish to ‘s clothes ring cord hing close Tears Trim ragged edges. Position tear under needle and stitch along tear catching both sides of material. When men[...]

DARNING Machine Setting Presser foot I Stitch pattern Limit lever Stitch length Fabric feed None zree Worn spots on clothing and household linens can be darned easily with your machine. Completely release pressure on fabric by turning fabric feed knob to ( E!), and by pressing down on outer ring of pressure regulator until center button pops up. Fo[...]

CARING FOR YOUR MACHINE CLEANING Your machine will always work well if you take a few moments to keep it clean. If lint and bits of thread ac cumulate under needle plate, around fabric feed and in the shuttle, this will interfere with the operation of your machine. Check occasionally and clean whenever necessary. • Before cleaning, disconnect cor[...]

OILING Inside Face__Plate — swing face plate open and oil all moving parts at friction points. Inside of Machine Body Plate and Bed cover Remove the machine body plate by loosing six screws and bed cover by loosing two screws, then oil all moving parts as shown illustration. Your machine needs to be oiled once every week if used frequently and ev[...]

PROBLEMS — and PROBABLE CAUSES ed once tly and ntinual In most cases, poor sewing results are due to a damaged needle. Always en used examine needle first before checking other items. ore you 1. SKIPPING STITCHES sewing • bent or blunt needle points • wrong size needle • needle inserted incorrectly • upper thread tension too tight • pre[...]

5. LOWER THREAD BREAKS • bobbin case threaded incorrectly • bobbin case inserted incorrectly in machine • bobbin wound unevenly • bobbin wound too full • bobbin tension too tight • needle plate hole has sharp edges • bent bobbin • poor quality thread 6. FABRIC PUCKERS • bent or blunt needle • upper thread tension too tight • b[...]