ELNA 6001 Service Manual
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ELNA 6001 Service Manual

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PDFMAILER.DE
ELNA
6001
SERVICE MANUAL
10/2002
395 903-02
Printed in Switzerland

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Summary of Contents for ELNA 6001

  • Page 1 PDFMAILER.DE ELNA 6001 SERVICE MANUAL 10/2002 395 903-02 Printed in Switzerland...
  • Page 2 PDFMAILER.DE Notes:...

  • Page 3: Table Of Contents

    PDFMAILER.DE I N D E X WIRING DIAGRAM GENERAL TROUBLE SHOOTING PROCEDURE WHAT TO DO WHEN ELECTRONIC QUICK CHECK SERVICE ACCESS 8-12 FACE COVER TOP COVER BELT COVER BASE PLATE BED COVER FRONT COVER REAR COVER MECHANICAL ADJUSTMENT 13-23 NEEDLE POSITION NEEDLE BAR HEIGHT NEEDLE TO SHUTTLE TIMING CLEARANCE BETWEEN NEEDLE AND HOOK...

  • Page 4: Wiring Diagram

    PDFMAILER.DE WIRING DIAGRAM NAME OF ELECTRONIC PARTS AND WIRING EACH CONNECTOR SHOULD BE CONNECTED AS FOLLOWS ; A: BUTTONHOLE SENSOR TRANSFOMER (PRIMARY) B: UPPER SHAFT SENSOR TRANSFOMER (SECONDARY) C: SEWING LIGHT RECEPTACLE (PRIMARY) D: FEED STEPPING MOTOR RECEPTACLE (SECONDARY) E: ZIGZAG STEPPING MOTOR K-BOARD F: DC MOTOR F-BOARD...

  • Page 5: General Trouble Shooting Procedure

    PDFMAILER.DE GENERAL TROUBLE SHOOTING PROCEDURE (MACHINE DOESN’T WORK WELL)

  • Page 6: What To Do When

    PDFMAILER.DE WHAT TO DO WHEN CONDITION CAUSE HOW IS FIX REFERENCE Needle is not inserted Insert the needle properly 1. Skipping stitches properly. Needle is bent or worn. Change the needle Incorrectly threaded Rethread Needle or thread are Use the recommended sewing inappropriate for fabric needle and thread being sewn.
  • Page 7 PDFMAILER.DE CONDITION CAUSE HOW IS FIX REFERENCE Thread bobbin correctly. 4. Breaking bobbin Incorrectly threaded thread. bobbin. Too much thread is Adjust the bobbin winding stopper. around on the bobbin. Lint is stuck inside the Clean the shuttle. bobbin holder. Thread quality is too low.

  • Page 8: Electronic Quick Check

    PDFMAILER.DE SELF DIAGNOSTIC TESTS PREPARATION • Turn off the power switch. • Shift the bobbin winder spindle to the left. • Raise the feed dog. • Shift the slide volume to the left. • Remove the presser foot and raise the presser foot lifter. •...

  • Page 9: Self Diagnostic Sheet

    PDFMAILER.DE SELF DIAGNOSTIC SHEET STEP PROCEDURE CORRECT CONDITION DEFECTIVE CONDITION • Beep sounds when the buttons • Turn on the power switch while No beep sound. • simultaneously pressing are pressed. Does not enter 7 Segment LED • LED displays “8.8”, and blinks in needle up/down button and the reverse button.
  • Page 10 PDFMAILER.DE SELF DIAGNOSTIC SHEET STEP PROCEDURE CORRECT CONDITION DEFECTIVE CONDITION Press the needle up/down When the needle is at LED display is different from that button, LED displays “07” for the highest position, shown to the left. UPPER SHAFT one second. LED displays “LH”.

  • Page 11: Service Access

    PDFMAILER.DE FACE AND TOP COVER FACE COVER 1. Remove the cap and set screw (A). 2. Remove the face plate while pulling it toward you so that face plate hook is released. TO ATTACH 1. Attach the face plate. Tighten the setscrew (A) and attach the cap. TOP COVER TO REMOVE 1.

  • Page 12: Belt Cover

    PDFMAILER.DE BELT COVER TO REMOVE 1. Remove the cap. 2. Remove the setscrew (A) and (B). 3. Lift up the handle and loosen the setscrew the belt cover. TO ATTACH 1. Attach the belt cover with the setscrew (A), (B) and (C).

  • Page 13: Base Plate

    PDFMAILER.DE BASE PLATE AND BED COVER BASE PLATE TO REMOVE 1. Remove the setscrew (A) and 4 screws (B). 2. Remove the base plate (C). TO ATTACH 3. Reverse this procedure. BED COVER TO REMOVE 1. Remove the 2 screws (D). 2.

  • Page 14: Front Cover

    PDFMAILER.DE FRONT COVER FRONT COVER TO REMOVE 1. Remove the face cover, top cover, belt cover and bed cover (see page 8, 9 and 10). 2. Remove the set screw (A) and loosen the setscrews (B), (C), (D), (E), (F) and (G). 3.

  • Page 15: Rear Cover

    PDFMAILER.DE REAR COVER TO REMOVE 1. Remove the face cover, top cover, belt cover and bed cover. (See pages 8, 9 and 10.) 2. Loosen the setscrews (A), (B), (C) and (D). 2. Remove the cap, setscrew (E) and set screw (F). 3.

  • Page 16: Mechanical Adjustment

    PDFMAILER.DE NEEDLE POSITION When straight stitch (----) is selected, needle should be in the middle of needle plate hole. When the machine is set for maximum zigzag width, the clearance between needle at the left and right should be minimum 0.2 mm. 1.

  • Page 17: Needle Bar Height

    PDFMAILER.DE NEEDLE BAR HEIGHT The distance between the upper edge of needle eye and the tip of the hook should be in the range of 1.6-2.0 mm when the tip of hook meets the right side of the needle in ascending travel of needle from its left and lowest position.

  • Page 18: Needle To Shuttle Timing

    PDFMAILER.DE NEEDLE TO SHUTTLE TIMING When the machine is set for the straight stitch pattern No.2 (left needle position), the amount of ascending travel of the needle bar between its lowest position at the left needle drop and the position where the tip of the hook meets the right side of the needle should be 3.25- 3.55mm.

  • Page 19: Clearance Between Needle And Hook

    PDFMAILER.DE CLEARANCE ADJUSTMENT The clearance between the needle and the point of hook should be –0.1 to +0.05 mm. PREPARATION: 1. Remove the needle plate, bobbin holder, and bed cover, and replace the needle with the test pin (D). 2. Turn the power switch on, and select pattern No.2 (simple zigzag). (maximum zigzag width) ADJUSTMENT 1.

  • Page 20: Backlash (Lower Shaft Gear)

    PDFMAILER.DE BACKLASH (LOWER SHAFT GEAR) TO CHECK 1. Turn the power switch off. 2. Remove the needle plate and bobbin holder. 3. Jog the hook race back and forth to check rotary play. The standard play should be 0.8 mm (0.3") or less when the hook point is within the feed dog width.

  • Page 21: Feed Dog Height

    PDFMAILER.DE FEED DOG HEIGHT The highest position of the feed dog should be between 0.80 to 0.90 mm from the surface of the needle plate when the pressure dial is set at "3" and the presser foot is lowered. 1. Set the pressure dial at "3" and lower the presser foot. 2.

  • Page 22: Zigzag Synchronization

    PDFMAILER.DE ZIGZAG SYNCHRONIZATION The needle should start to swing between 6.3 to 7.5 mm above the surface of the needle plate when the machine is set for zigzag stitching. 1. Remove the top cover (see page 8). 2. Turn on the power switch, select the pattern No. 2 and set the machine at the maximum zigzag width.

  • Page 23: Stretch Stitch Feed Balance

    PDFMAILER.DE STRETCH STITCH FEED BALANCE TO CHECK When a stretch pattern is sewn with the feed balancing dial (C) set at the standard setting mark '' 4 '', the pattern should be as indicated with the '' O '' mark in the following figure. If not (if there is no balance between forward feeding and backward feeding), Then make an adjustment as follows.

  • Page 24: Upper Thread Tension

    PDFMAILER.DE UPPER THREAD TENSION The upper thread tension should be between 75–90g when pulling the thread (size 50 cotton thread) in the direction of "C" with the tension dial at "3". (The presser foot should be lowered). 1. Set the thread tension at "3". 2.

  • Page 25: Buttonhole

    PDFMAILER.DE BUTTONHOLE TO ADJUST THE BUTTONHOLE LEVER GUIDE 1. Set the machine in buttonhole sensor adjusting mode. (See below, The LED should display "H" or "L".) 2. Remove the face cover. 3. Lower the buttonhole lever. Loosen the setscrew (A) and position the buttonhole lever guide so the LED displays "L".

  • Page 26: Presser Bar Height And Alignment

    PDFMAILER.DE PRESSER BAR HEIGHT AND ALIGNMENT TO CHECK: 1. Raise the presser foot lever (B). 2. The distance between the zigzag foot (A) and the needle plate (C) should be 6.0 mm (0.24''). If the height is greater or less than 6 mm (0.24''), adjust as follows. ADJUSTMENT: 1.

  • Page 27: Part Removal And Replacement

    PDFMAILER.DE THREADER PLATE If the hook of the threader plate is damaged, change or adjust the part as follows: TO REMOVE: 1. Push down the needle threader knob and pull the needle threader plate (A) down to remove it (See Fig.1). 2.

  • Page 28: A-Board And Fuse

    PDFMAILER.DE A-BOARD AND FUSE REPLACING THE FUSE TO REMOVE: 1. Remove the front cover (See page 11). 2. Remove the four setscrews and lift off the cover on A-board. 3. Remove the fuse (Pry it out with a screwdriver). TO INSTALL: 4.

  • Page 29: Transformer

    PDFMAILER.DE TRANSFORMER TO REMOVE: 1. Remove the A-board (See page 25). 2. Remove the two setscrews and remove the transformer. TO INSTALL: 1. To install the transformer, follow the above procedure in reverse. NOTE Place the rear of the transformer on the transformer support. Slide the two transformer wire tubes to the side of transformer and secure them to the zigzag stepping motor wire so they will not come in contact with any moving parts.

  • Page 30: Machine Socket

    PDFMAILER.DE MACHINE SOCKET TO REMOVE: 1. Remove the front cover (See page11). 2. Remove the two connectors from the A-board. 3. Remove the 2 setscrews (B) and remove the machine socket. TO INSTALL: 1. To install the machine socket, follow the above procedure in reverse. NOTE Pull out the cord in front of the arm to prevent it from contacting with the lower shaft or there moving parts, and secure the feed motor cord with a binder.

  • Page 31: K-Board

    PDFMAILER.DE K-BOARD AND F-BOARD K-BOARD TO REMOVE: 1. 1.Remove the front cover (See page 11). 2. Disconnect the F-board connector. 3. Remove the 7 setscrews (A) and remove the printed circuit K-board. TO ATTACH: 1. To attach the board "K", follow the above procedure in reverse. Note Ensure to insert the projection of the slide volume into the forked slide knob.

  • Page 32: Driving Motor (Dc Motor)

    PDFMAILER.DE DRIVING MOTOR (DC MOTOR) TO REMOVE 1. Remove the front cover (see page 11). 2. Remove the belt. 3. Pull out the motor connector from the A-board. 4. Remove screws (A) and (B). 5. Take off the driving motor. TO ATTACH 1.

  • Page 33: Buttonhole Sensor

    PDFMAILER.DE BUTTONHOLE SENSOR TO REMOVE 1. Remove the face and front cover (see page 8 and 11). 2. Remove screw (A), then remove the buttonhole sensor (B) from the sensor set plate (C). 3. Pull out the connector of buttonhole sensor unit (D) from the A-board. 4.

  • Page 34: Upper Shaft Sensor

    PDFMAILER.DE UPPER SHAFT SENSOR TO REMOVE: 1. Remove the front cover (See page 11). 2. Remove the 2 setscrews (A) and remove the A-board. 3. Remove the setscrew (B) and slide the upper shaft shield plate to the left. 4. Remove the 2 setscrew (C) and remove the upper shaft sensor (P-board). TO ATTACH: 1.

  • Page 35: Zigzag Stepping Motor

    PDFMAILER.DE ZIGZAG STEPPING MOTOR TO REMOVE 1. Remove the front cover (see page 11). 2. Remove the 4 screws (A) and A-board setting plate. 3. Remove the 2 screws (B), 2 screws (C) and remove the motor (D). TO ATTACH 1.

  • Page 36: Feed Stepping Motor

    PDFMAILER.DE FEED STEPPING MOTOR TO REMOVE: 2. Remove the front cover and base (See page 10 and 11). 3. Remove the E-ring (B). 4. Remove the 2 setscrews (A) and remove the feed stepping motor. TO ATTACH: 5. To attach the feed stepping motor, follow the above procedure in reverse. Note: Check the "STRETCH STITCH FEED BALANCE"...

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