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N S T RUCTION
S
MODEL
20/21 / 23/1206/1300.
ZIG-ZAG SEWING MACHINE
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IRDEX Placement ................ 5 Adjusting for Good Stitching ......... 26 Oiling Instructions ............ 22,23 Bobbin: Overcasting ................ 21 Inserting & Threading - .......... 8 Parts List .................. 27 Picking up Bobbin Thread ......... 10 Presser Foot, Changing ........... 15 Removing ................. 6 Presser Foot Pressure, Adjusting ...... 10 Winding .................. 7 Buttonholes .................. 17 Sewing Light ................ 4 Buttons .................... 21
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FRONT VIEW ® // @" q,,, 15. Presser Foot Screw 1. Bobbin WinderSpmdle 8. Feed Dog Controi 2. Bobbin Winder Latch 9. Nomenclature Plate 16. Thread Guides 3. Stitch Width Control I0. Needle Plate 17. Upper Thread Tension Control 4. Stttch Width Limlter 1 t_ Needle Clamp Screw 18. Thread Take-up Lever 5. Stitch Length Control 12. Feed Dog 19. Upper Thread Guide 6. Reverse Stitch Push Button 13. Hand Hole Cover Plate 20. Bobbin Winder Thread Guide 14, Presser Foot 7. Light Switch
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BACK VIEW @ 26. Clutch Release 21. Presser Foot Pressure 23. Presser Foot Lever 24. Thread Cutter 27. Thread Spool Pins Regulator 25. Hand Wheel 28. Blind Stitch Knob 22. Face Plate {Models 21, 1300 only}
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INSTALLING MACHINE HEAD IN PORTABLE AND CABINET Loosen the two hinge screws under holes in the rear edge of the machine bed (!). Raise hinge pins in the cabinet cutout (2). Slip machine head onto the pins and tighten hinge screws securely (3). Lower machine head to front flap. Screw spool pins in place. Lay the plastic discs over the spool pins. Discs and pins are packed in the accessory box. SEWING LIGHT (Modets 21, 1300 only) The sewing light is located inside the face plate as shown. It may b
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NEEDLE THREAD TABLE THREAD SIZE _i_-r._EDLE FABRIC ISIZE PLACEMENT OF NEEDLE Cotton 60-100 Sheer cottons, silks, and synthetics 11 Synthetic Fine Laces Silk A Raise take-up lever to its highest positron Cotton 60-80 Medium weight cottons by turning hand wheel toward you. Mercerized 50 Medium weight silks Loosen needle clamp screw. 14 Synthetic Medium weight synthetics Hold needle so that the fiat side is to your Silk A Light weight woolens nght, slip bhmt end of needle as far as _t Cotton 40-60
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REMOVING BOBBIN CASEFROMSHUTTLE lever Take up t at its highest position. 1/ Pull out latch. .° Pull bobbin / case straight out.
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WINDING THE BOBBIN 0 0 Release clutch by turn- Place thread on spool ing clutch knob toward post. Draw thread as you. 8tart machine. shown. 0 0 Wind thread around When bobbin is full, wind- bobbin a few times, ing mechanism stops. front to back. 0 0 Tighten clutch knob and Place bobbin onto bobbin remove bobbin. winder shaft. Push bobbin winder latch until it clicks.
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INSERTING BOBBININTO BOBBIN CASE_CASE iNTO SHUTTLE O" Guide bobbin onto center pm of bobbin case. Pull thread through slot. Pull thread under tension spring. _IP Holding latch, position case into shuttle, then release latch. @ 0 i I,,_,,ILJ,II i
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Place thread as illustrated between discs of the Thread Tension Control. UPPER MACHINE THREADING Prevent the spool of thread from 1;urntng and by holding the end of the thread pull spr_ng wire loop up and past the top hook unti_ the thread can be slipped into the hook. When thread tension Js released, the spring wire loop will return to posit_on as shown with the thread _n proper place. Release spool of thread and continue to thread machine as illustrated,
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PICKING UPBOBBIN THREAD Rinse presser foot lever. Hold needle thread loosely in left hand and rotate hand wheel toward you one complete turn. Bring bobbin thread up by pulling upper thread (See illustration). Place threads back under presser foot. ADJUSTING THEPRESSURE OFTHEPRESSER FOOT Push down outer ring of presser foot pressure regulator _See illustration). This will release pressure of presser foot. To increase pressure, push down inner pin until suitable pressure is obtained. For ordinary
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SETTING STITCHLENGTH Turn knob toany desiredstitchlengthpositionbetween 7 0 and 5.At No. 5,thelonges_stitchisobtained.The sizeof stitchyou selectwilldepend on the fabricyou aresewing. The blindstitchknob must be on the "OFF" position foralloperationsexceptblindstitching.{Models 21, 1300 only) For straightstitchingthe stitchwidth controlmust be se_at0. REVERSE STITCHING To sew in reverse, push the reverse stitch button as far in as possible. Keep the button pushed as long as you need reverse stit
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ADJUSTING TENSIONS A perfect stitch wilt have threads locked between the two layers of fabric with no loops on top or bottom. Fig. 1 PROBLEM REMEDY Upper thread too tight ,, ','_ '_ Decrease Tension ,.._!! li Fig. 2 Upper thread too loose Increase Tension Fig. 3 t2 NOTE: Never adjust more than one number at a time÷
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INCREASE TENSION When stitching is unsatisfactory as in figures 2 and 3, adjust the upper thread tension. Lower thread tension requires adjustment less frequently than the upper thread tension. Turn Clockwise. When stitch is satisfactory, as in figure I and seam is badly puckered, the cause may be tight tensions and both upper and lower DECREASE TENSiOH may be adjusted. (See page 26) When adjusting the tension on the bobbin case, make slight adjustments with a screw- Turn Counter driver. (See pa
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INSERTING ANDREMOVING THE MATERIAL For all kinds of sewing, consult chart page 5. Place material under the presser foot, insert the needle Before placing the material on the machine see that: into the material by turning the hand wheel toward you, lower presser foot and start sewing. • The presser foot and needle clamp screws are both To facilitate placement of heavy fabrics under the tight. presser foot, the presser foot lever can be raised • The sizes of needle and thread suit the kind of work
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TURNING A CORNER Stop your sewing machine and make sure needle is in thbric, Raise presser foot. Turn fabric to desired direc- tion. Lower presser foot and go on with your stztching. FEED COHTROL This knob is situated on right front of machine bed. When knob is turned to the left, feed dog does not move material Thzs allows the operator freedom of movement of materml. For regular sewing, turn knob to the right. "'U" (Feed dog up), CHANGING THE PRESSER FEET The various presser feet availabie for
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ZIGZAG CONTROL To produce a zigzag stitch, turn the stitch width limiter B upward. As the knob is moved up, the stitch becomes wider. The indicator on the stitch width control knob A points to the numerical setting. The width knob can be manually turned to a higher number, but the limiter must be rolled downward to produce a narrower zigzag stitch. Zig-zag stitch width Increases from No. I setting to the No. 5 setting. Straight stitching is possible only when the knob Is at thc 0 position. Zig-z
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BUTTONHOLES Stitch length about V__ Stitch width about 2 Feed dog control to right 1. Stitch forward until desired length for buttonhole is obtained. Stop with needle on tlle left side of stitching (A). Drop leed dog, set stitch width control on 2Vzand take one stitch to the right (B). 2. Raise presser foot and turn material with needle in material. Lower presser foot and take one stitch to the left (C). 3. Turn stitch width control to 5 and sew 4 stitches. This method of fastening the ends of b
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HEMS BLIND STITCH HEM (Models 21, 1300 only) The Blind Stitch Knob must be 1, Prepare the hem with a turned 2_ Apply seam tape along the on the "OFF" position for all and edgestitched finish, or raw edge with eitner straight operations except blind stitching. or zig zag stitching, then fold hem as shown. _8
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Turn blind stitch knob (black 5_ Unfold, exposing right side of 4_ 3. Make second fold as shown. material with completed blind arrow) to the "ON" position. Set stitch width at 0 and stitching. Press hem. stitch length 2-3 €as desired). Then, blind stitch along fold until hem is completed. _9
