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Kenmore 50 Instructions Manual

Zig-zag sewing machine
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4300B
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iNSTRUCTIONS
Z1GoZAG
SEWING
MACHINE
# 4300B

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Summary of Contents for Kenmore 50

  • Page 1 4300B /" iNSTRUCTIONS Z1GoZAG SEWING MACHINE # 4300B...

  • Page 2: Table Of Contents

    TABLE Adjusting for Good Stitches ....Needle & Thread Table ......Adjusting Pressure of Presser Foot ..10 CONTENTS Needle Size ........Adjusting Tensions ......12- 13 Oiling Machine ........Overcasting ........Blind Stitching ........Buttonholes .......... Picking up Bobbin Thread .....
  • Page 3 FRONT VIEW Stitch Length Control Lever Thread Take-up Feed Dogs Presser Foot Light Switch Upper Thread Guide Presser Foot Thumb Screw Stitch Width Conrtol Dial Bobbin Winder Tension Disc Thread Guides Bobbin Winder Assembly Feed Dog Control Knob Thread Tension Assembly Nomenclature Plate...
  • Page 4 " • f" BACK VIEW Motor Mounting Bracket Thread Spool Pins Thread Cutter and Screw Cover Plate Needle Clamp Screw Three Prong Connector Presser Foot Knob Hand Hole Cover Plate Clutch Knob Presser Foot Lever Needle Plate Hand Wheel...
  • Page 5 INSTALLING MACHINE HEAD IN PORTABLE AND CABINET Loosen the two hinge screws under holes in the rear edge of the machine bed (1). Raise hinge pins the cutout (2). Slip machine head onto the pins tighten hinge screws securely (3). Lower machine head to front flap.

  • Page 6: Needle Size

    Synthetic Gingham, Shantung, Pique, Seersucker, clamp screw. Velveteen, Double Knits, Light weight Mercerized 50 - 60 Wool, Linen, Leather, Fake Furs, Vinyls. :; ::.:: Mercerized Heavy Cotton such as Corduroy, Denim, Decorator Fabrics, Wool, Coating Mercerized Heavy Duty Suiting.

  • Page 7: Removing Bobbin Case From Shuttle

    ° REMOVING BOBBIN CASE FROM SHUTTLE Needle its highest position. )i.." Pull latch..... :..... _..Pull bobbin case ¢ straight out,...
  • Page 8 WINDING THE BOBBIN i_ _ii I Place thread on spool Release clutch post. Draw thread turning clutch knob shown. toward you. Wind thread around Bobbin winder thread guide is adjustable• bobbin a few times. bobbin winds illus- Place bobbin onto trated, slightly move...
  • Page 9 •i INSERTING BOBBIN INTO BOBBIN CASE ..CASE INTO SHUTTLE Guide bobbin onto center pin of bobbin case. Pull thread through slot. Pull thread under tension spring. Holdihg latch, 3osition case into shuttle, release latch.
  • Page 10 THREADING UPPER MACHINE...
  • Page 11 PICKING UP BOBBIN THREAD Raise presser foot lever. Hold needle thread loosely in left hand 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 THE PRESSURE OF THE PRESSER FOOT Push down...

  • Page 12: Reverse Stitching

    SETTING STITCH LENGTH stitch regulator controls the stitch length. Set lever to any desired stitch length position between 0 and 4, and set by turn- ing knob clockwise until it stops. At No. 4 the longest stitch obtained. The size of stitch selected will...

  • Page 13: Adjusting Tensions

    • ADJUSTING TENSIONS A perfect stitch will have threads locked between two layers of fabric with no loops on top or bottom. (Refer to page 24) Fig. 1 PROBLEM REMEDY Upper thread too tight Decrease Tension :.[: Fig. 2 Upper thread too loose ..
  • Page 14 • = 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 upper thread tension. Turn Clockwise. When stitch is satisfactory, as in figure 1 and seam is badly puckered,...
  • Page 15 INSERTING AND REMOVING THE MATERIAL kinds of sewing, consult chart Place material under the presser foot, nsert page 5. the needle into the material by turning hand wheel toward you, lower presser foot Before placing the material on the machine, and start sewing.

  • Page 16: Changing The Presser Feet

    CHANGING THE PRESSER FEET various attachment feet available certain kinds of work are to be fastened to the presser bar. To attach the foot, raise the presser bar to its highest position by raising presser foot lever. Loosen presser foot thumb screw, choose...

  • Page 17: Darning

    DARNING WITH PRESSER FOOT : Turn feed dog control to left. Press down outer ring of presser foot knob, see page 10. With presser foot knob in this position, mending, darning, monogram work, etc. may be done. Stretch fabric tightly between spring embroidery...
  • Page 18 BUTTONS AND BUTTONHOLES BUTTONHOLES 1. Set stitch width lock lever and stitch length control lever just on each dot as illustrated. 2. Stitch forward until desired length buttonhole is obtained. Stop with needle on the right side of stitching. Raise presser foot and turn material.

  • Page 19: Setting Stitch Width

    ZIGZAG CONTROL SETTING STITCH WIDTH 1. Push in lock lever. Change stitch setting release lever. 2. Move stitch width dial to desired position between 0 and 4 on the stitch width indicator dial. Zigzag stitch width increases from 0 to 4. Straight stitching is possible...
  • Page 20 BLIND STITCHING Fold and baste hem. Turn back so that edges project beyond fold. Set sewing machine straight stitching stitch along fold of hem approximately _inch. Then zigzag one stitch using stitch width set on 2, catching the right side of the material.
  • Page 21 REPLACEMENT OF THE BELT To replace a worn belt, loosen motor bracket bolt remove belt by reducing distance between motor pulley hand wheel. Install belt adjust distance between motor pulley and hand wheel. To provide proper tension, allow belt to support the weight the motor and then...
  • Page 22 Cleaning should done with a small brush. When machine runs hard or makes excessive noise, place a drop KENMORE sewing machine the points indicated. Tilt machine head back to oi points indicated on underside of machine head.

  • Page 23: What To Do

    WHAT TO DO PROBABLE CAUSE PROBLEM CORRECTION Incorrect size needle. Choose correct size needle for thread and fabric (page Improper threading. Rethread machine (page Loose upper thread tension. Tighten upper thread tension (page 12). Irregular Pulling fabric. Do not pull fabric; guide it gently.
  • Page 24 WHAT TO DO PROBLEM PROBABLE CAUSE CORRECTION Incorrect size needle. Choose correct size needle for thread and fabric (page 5). Bent or blunt needle. Insert new needle (page Skipping Incorrect setting of needle, Reset needle (page Stitches Tight upper thread tension.
  • Page 25 ADJUSTING YOUR SEWING MACHINE FOR GOOD STITCHES When your sewing machine does not sew a properly locked stitch, check the following Insert a new needle of the correct size for the thread and fabric are using. Consult chart on page 5 for needle size.
  • Page 26 5EW_JG _11AC_11NS a_[ No, 4300 Ls...
  • Page 27 4300B /" iNSTRUCTIONS Z1GoZAG SEWING MACHINE # 4300B...
  • Page 28 TABLE Adjusting for Good Stitches ....Needle & Thread Table ......Adjusting Pressure of Presser Foot ..10 CONTENTS Needle Size ........Adjusting Tensions ......12- 13 Oiling Machine ........Overcasting ........Blind Stitching ........Buttonholes .......... Picking up Bobbin Thread .....

  • Page 29: Feed Dog Control

    FRONT VIEW Stitch Length Control Lever Thread Take-up Feed Dogs Presser Foot Light Switch Upper Thread Guide Presser Foot Thumb Screw Stitch Width Conrtol Dial Bobbin Winder Tension Disc Thread Guides Bobbin Winder Assembly Feed Dog Control Knob Thread Tension Assembly Nomenclature Plate...
  • Page 30 " • f" BACK VIEW Motor Mounting Bracket Thread Spool Pins Thread Cutter and Screw Cover Plate Needle Clamp Screw Three Prong Connector Presser Foot Knob Hand Hole Cover Plate Clutch Knob Presser Foot Lever Needle Plate Hand Wheel...
  • Page 31 INSTALLING MACHINE HEAD IN PORTABLE AND CABINET Loosen the two hinge screws under holes in the rear edge of the machine bed (1). Raise hinge pins the cutout (2). Slip machine head onto the pins tighten hinge screws securely (3). Lower machine head to front flap.

  • Page 32: Needle & Thread Table

    Synthetic Gingham, Shantung, Pique, Seersucker, clamp screw. Velveteen, Double Knits, Light weight Mercerized 50 - 60 Wool, Linen, Leather, Fake Furs, Vinyls. :; ::.:: Mercerized Heavy Cotton such as Corduroy, Denim, Decorator Fabrics, Wool, Coating Mercerized Heavy Duty Suiting.

  • Page 33: Removing Bobbin Case From Shuttle

    ° REMOVING BOBBIN CASE FROM SHUTTLE Needle its highest position. )i.." Pull latch..... :..... _..Pull bobbin case ¢ straight out,...
  • Page 34 WINDING THE BOBBIN i_ _ii I Place thread on spool Release clutch post. Draw thread turning clutch knob shown. toward you. Wind thread around Bobbin winder thread guide is adjustable• bobbin a few times. bobbin winds illus- Place bobbin onto trated, slightly move...

  • Page 35: Inserting Bobbin Into Bobbin Case

    •i INSERTING BOBBIN INTO BOBBIN CASE ..CASE INTO SHUTTLE Guide bobbin onto center pin of bobbin case. Pull thread through slot. Pull thread under tension spring. Holdihg latch, 3osition case into shuttle, release latch.
  • Page 36 THREADING UPPER MACHINE...
  • Page 37 PICKING UP BOBBIN THREAD Raise presser foot lever. Hold needle thread loosely in left hand 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 THE PRESSURE OF THE PRESSER FOOT Push down...

  • Page 38: Reverse Stitching

    SETTING STITCH LENGTH stitch regulator controls the stitch length. Set lever to any desired stitch length position between 0 and 4, and set by turn- ing knob clockwise until it stops. At No. 4 the longest stitch obtained. The size of stitch selected will...
  • Page 39 • ADJUSTING TENSIONS A perfect stitch will have threads locked between two layers of fabric with no loops on top or bottom. (Refer to page 24) Fig. 1 PROBLEM REMEDY Upper thread too tight Decrease Tension :.[: Fig. 2 Upper thread too loose ..
  • Page 40 • = 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 upper thread tension. Turn Clockwise. When stitch is satisfactory, as in figure 1 and seam is badly puckered,...
  • Page 41 INSERTING AND REMOVING THE MATERIAL kinds of sewing, consult chart Place material under the presser foot, nsert page 5. the needle into the material by turning hand wheel toward you, lower presser foot Before placing the material on the machine, and start sewing.

  • Page 42: Feed Dog Control

    CHANGING THE PRESSER FEET various attachment feet available certain kinds of work are to be fastened to the presser bar. To attach the foot, raise the presser bar to its highest position by raising presser foot lever. Loosen presser foot thumb screw, choose...
  • Page 43 DARNING WITH PRESSER FOOT : Turn feed dog control to left. Press down outer ring of presser foot knob, see page 10. With presser foot knob in this position, mending, darning, monogram work, etc. may be done. Stretch fabric tightly between spring embroidery...
  • Page 44 BUTTONS AND BUTTONHOLES BUTTONHOLES 1. Set stitch width lock lever and stitch length control lever just on each dot as illustrated. 2. Stitch forward until desired length buttonhole is obtained. Stop with needle on the right side of stitching. Raise presser foot and turn material.

  • Page 45: Locking Stitch Width

    ZIGZAG CONTROL SETTING STITCH WIDTH 1. Push in lock lever. Change stitch setting release lever. 2. Move stitch width dial to desired position between 0 and 4 on the stitch width indicator dial. Zigzag stitch width increases from 0 to 4. Straight stitching is possible...
  • Page 46 BLIND STITCHING Fold and baste hem. Turn back so that edges project beyond fold. Set sewing machine straight stitching stitch along fold of hem approximately _inch. Then zigzag one stitch using stitch width set on 2, catching the right side of the material.
  • Page 47 REPLACEMENT OF THE BELT To replace a worn belt, loosen motor bracket bolt remove belt by reducing distance between motor pulley hand wheel. Install belt adjust distance between motor pulley and hand wheel. To provide proper tension, allow belt to support the weight the motor and then...
  • Page 48 Cleaning should done with a small brush. When machine runs hard or makes excessive noise, place a drop KENMORE sewing machine the points indicated. Tilt machine head back to oi points indicated on underside of machine head.

  • Page 49: What To Do

    WHAT TO DO PROBABLE CAUSE PROBLEM CORRECTION Incorrect size needle. Choose correct size needle for thread and fabric (page Improper threading. Rethread machine (page Loose upper thread tension. Tighten upper thread tension (page 12). Irregular Pulling fabric. Do not pull fabric; guide it gently.
  • Page 50 WHAT TO DO PROBLEM PROBABLE CAUSE CORRECTION Incorrect size needle. Choose correct size needle for thread and fabric (page 5). Bent or blunt needle. Insert new needle (page Skipping Incorrect setting of needle, Reset needle (page Stitches Tight upper thread tension.
  • Page 51 ADJUSTING YOUR SEWING MACHINE FOR GOOD STITCHES When your sewing machine does not sew a properly locked stitch, check the following Insert a new needle of the correct size for the thread and fabric are using. Consult chart on page 5 for needle size.
  • Page 52 5EW_JG _11AC_11NS a_[ No, 4300 Ls...

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