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ELNA 2003 Service Manual

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2003 / 2005 / 2007
SERVICE MANUAL
05/00
Printed in Switzerland
395902-72

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Table of Contents

   Summary of Contents for ELNA 2003

  • Page 1 2003 / 2005 / 2007 SERVICE MANUAL 05/00 Printed in Switzerland 395902-72...
  • Page 2: Table Of Contents

    CONTENTS TROUBLE HOOTING REMOVAL: FACE PLATE COVER BASE COVER REAR COVER FRONT COVER ADJUSTMENT: NEEDLE THREAD TENSION BOBBIN THREAD TENSION PRESSER BAR HEIGHT ZIGZAG TIMING NEEDLE CENTERING FEED DOG HEIGHT NEEDLE CENTERING TO NEEDLE PLATE CLEARANCE BETWEEN NEEDLE AND SHUTTLE HOOK NEEDLE BAR HEIGHT HOOK TIMING FEED LIFTING CAM POSITION...
  • Page 3: Trouble Hooting

    TROUBLE SHOOTING Trouble Cause Remedy Skipping stitch 1. Needle is not inserted properly. Insert a needle flat side to the back. 2. Needle is bent or blunt. Replace with a new needle. 3. Needle thread is not threaded Rethread the needle thread. properly.
  • Page 4: Trouble Hooting

    TROUBLE SHOOTING Trouble Cause Remedy Breaking needle 1. Needle touches plate. Adjust the needle drop see page 11. 2. Needle is bent or blunt. Replace with a new needle. 3. Needle touches shuttle hook. Adjust the clearance between needle and shuttle hook see page 15.
  • Page 5: Face Plate Cover

    FACE PLATE COVER FACE PLATE COVER Remove the cap A with a needle. Remove the set screw B and remove the face plate.
  • Page 6: Base Cover

    BASE COVER Loosen the 4 set screws A and 4 set screws B. Remove the base cover.
  • Page 7: Rear Cover

    REAR COVER Remove the face plate (see page 3). Remove the base cover (see page 4). Remove the cap A and remove the set screw B. Raise the presser foot lever. Remove the rear panel.
  • Page 8: Front Cover

    FRONT COVER 1. Remove the rear cover ( see page 5 ). 2. Loosen the set screws A and B. 3. Remove the set screws C, D. 4. Remove the P– nut.
  • Page 9: Needle Thread Tension

    NEEDLE THREAD TENSION The standard needle thread tension should be 110 to 130 g when pulling a cotton thread size Ne 50/3 with tension gauge in the direction of B wi t h s e t t i n g t h e t e n s i o n a t “ 5 ” (Fig.
  • Page 10: Bobbin Thread Tension

    BOBBIN THREAD TENSION The bobbin thread tension should be between 25 and 30 g when pulling a size Ne 50/3 cotton thread in the direction of B with tension gauge (ref. Fig. 1). Turn the adjusting screw C in the direction D when the bobbin thread tension is too tight E when the bobbin thread tension is too loose (ref.
  • Page 11: Presser Bar Height

    PRESSER BAR HEIGHT The standard presser bar height is 6.5-6.8 mm between the presser foot and needle plate when the presser bar lifter is up position (ref. Fig. 1). Remove the face plate (see page 3). Remove the set screw A and remove the lamp socket set plate B.(ref. Fig. 2) Raise the presser bar lifter.
  • Page 12: Zigzag Timing

    ZIGZAG TIMING If the machine is adjusted properly, needle should not swing when it is 5 – 6.5 mm above the needle plate. Set the zigzag lever at the maximum (applicable to models 2005 and 2007 only). Check : Run machine at full speed and observe one of the shiny spots on needle clamp which must describe a single arch (Fig 1).
  • Page 13: Needle Centering

    Remove the face plate (see page 3). Select the straight stitch at the center. (Applicable to models 2003 (see fig. 1) Loosen the set screw A and C. Turn the eccentric pin B to adjust the needle centering.
  • Page 14: Feed Dog Height

    FEED DOG HEIGHT When the needle is at highest position with the presser foot at up position, the distance between the presser foot and needle plate should be 1.0 to 1.2. (ref. Fig. 1). Remove the Base, Rear and Front cover (see pages 4, 5, and 6). S e t t h e s t i t c h l e n g t h d i a l a t “...
  • Page 15: Needle Centering To Needle Plate

    NEEDLE CENTERING TO NEEDLE PLATE The needle size 14 (Nm 90) should in the center (forwards / backwards) of the hole of the needle plate. Remove the face plate (see page 2) Set the pattern selector dial at the left in straight sewing. Loosen hexagonal socket screw A and move the needle bar supporter B to adjust the centering.
  • Page 16: Clearance Between Needle And Shuttle Hook

    CLEARANCE BETWEEN NEEDLE AND SHUTTLE HOOK The clearance between needle and shuttle hook should be 0 – 0.15 mm. Note : A small correction could be done when doing needle centering to needle plate (see page 14). Set the pattern selector dial at the left in straight sewing. Remove the rear cover (see page 5).
  • Page 17: Needle Bar Height

    NEEDLE BAR HEIGHT Check: Take out bobbin case and shuttle race cap. Select zigzag and max width stitch. Rotate flywheel until needle is full down in right position. Then slowly raise needle bar to C position, the distance shall be 1 mm. Adjustment: 1.
  • Page 18: Hook Timing

    HOOK TIMING Check: 1. Take out bobbin case and shuttle race cap. 2. Select zigzag and max width stitch. 3. Rotate flywheel until needle is full down in the left needle position. 4. The point of shuttle shall be 3.2 mm to the left of needle (ref. Fig. 1). Adjustment : 1. Remove rear cover (see page 5).
  • Page 19: Feed Lifting Cam Position

    FEED LIFTING CAM POSITION Check: 1. Turn the flywheel to make needle point position above needle plate. 2. At this time, teeth of feed dog are required to keep same height with of needle plate surface (ref. Fig.1). Adjustment: 1. Remove rear cover (see page 5). 2. Loosen feed lifting cam set screw A (Hexagon M5x5).
  • Page 20: Feed Timing

    FEED TIMING Dismantling the Rear cover (see page 5). The reference mark A of feed cam should be aligned with mark B on the upper shaft. 1. Loosen screw C. 2. Turn feed cam until marks A and B are aligned as per sketch and tighten screw C.
  • Page 21: Stretch Stitch Feed Balance

    3. Check the balancing of the stitch by sewing (see pattern stitch B). 4. Turn the adjusting screw to the direction of C when the stitch pattern is distorted. D when the stitch pattern is compressed 5. Recheck the balancing before attach the cap A. Model 2005,2007 Model 2003...
  • Page 22: Buttonhole Feed Balance

    BUTTONHOLE FEED BALANCE 1. Check the balancing of the rows by sewing a buttonhole. 2. Remove the cap A with a needle. 3. Turn the adjusting screw B in the direction of C when the right side row is coarse. 4.
  • Page 23: Opening Of Cam Follower (for Models 2007 And 2005)

    OPENING OF CAM FLOWER (For models 2005 and 2007) 1. When the selector dial cannot be turned or if stitch width is wrong pattern (buttonhole, zigzag, or a stretch stitch). Note: needle centering should be correct (see page 14). Adjust cam follower release as follows: 1.
  • Page 24 Fig.2 0.3-0.6mm Fig.3 0.5-0.8mm Fig.3...
  • Page 25: Zero Position Of Zigzag Stitch (for Models 2007 And 2005)

    ZERO POSITION OF ZIGZAG STITCH (for models 2005and 2007) Wh e n t h e ma c h i n e i s s e t wi t h z i g z a g l e v e r a t “ 0 ” a n d t h e p a t t e r n s e l e c t o r d i a l a t “...
  • Page 26: Motor Belt Tension

    MOTOR BELT TENSION If the deflection A is 7 to 9 mm when the motor belt is pressed with the pressure of 300 g, the motor belt tension is correct. 1. Remove the front cover (see page 6). 2. Loosen the two set screws B and C. Then adjust the motor belt tension by moving the motor D.
  • Page 27: Electrical Connections

    ELECTRICAL CONNECTIONS Switch Light Motor 120V (YDK TYPE) Capacitor Switch Light Motor Switch 230V (YDK TYPE)
  • Page 28: Buttonhole Size

    BUTTONHOLE SIZE 2005 / 2007 Sew an automatic buttonhole with the buttonhole foot and a button in position. The length of the buttonhole is 1 to 2mm longer then the button. When the buttonhole is too long (A). Or too short (B). Remove the screw cap D.

This manual is also suitable for:

20052007

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  • Nita Jul 22, 2019 10:35:
    Can you please send me a 2003 elna sewing machine by post as I happen to misled mine and cannot use it without reading some instructio​ns, I prefer to have the instructio​ns in a book rather than online ..
    Manytha​nks