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ELNA eXperience 660 Service Manual

Built-in needle threader.
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SERVICE MANUAL
eXperience 660

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Table of Contents

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   Summary of Contents for ELNA eXperience 660

  • Page 1 SERVICE MANUAL eXperience 660...
  • Page 2: Table Of Contents

    CONTENTS WHAT TO DO WHEN ................1 - 3 SERVICE ACCESS ................... 4 - 9 FACE COVER ..................4 TOP COVER ..................5 BELT COVER ..................6 BED COVER ..................7 FRONT COVER ..................8 REAR COVER ..................9 ADJUSTING PRESSER FOOT HEIGHT AND ALIGNMENT ...... 10 NEEDLE DROP POSITION ALIGNMENT ............11 ADJUSTING HOOK TIMING ...............
  • Page 3: What To Do When

    MODEL:eXperience 660 WHAT TO DO WHEN CONDITION CAUSE HOW TO FIX REFERENCE 1. SKIPPING 1. NEEDLE IS NOT INSERTED INSERT THE NEEDLE PROPERLY. STITCHES PROPERLY. 2. NEEDLE IS BENT OR WORN. CHANGE THE NEEDLE. 3. INCORRECTLY THREADED. RETHREAD. 4. NEEDLE OR THREAD ARE...
  • Page 4 MODEL:eXperience 660 CONDITION CAUSE HOW TO FIX REFERENCE 3. BREAKING 1. INITIAL SEWING SPEED IS START WITH MEDIUM SPEED. UPPER TOO FAST. THREAD 2. THREAD PATH IS INCORRECT. USE THE PROPER THREAD PATH. 3. NEEDLE IS BENT OR DULL. REPLACE WITH A NEW NEEDLE.
  • Page 5 MODEL:eXperience 660 CONDITION CAUSE HOW TO FIX REFERENCE 6. NOISY 1. BACKLASH BETWEEN SHUTTLE SEE MECHANICAL ADJUSTMENT P. 15 OPERATION HOOK GEAR AND LOWER “BACKLASH (LOWER SHAFT GEAR)”. SHAFT GEAR IS TOO GREAT. 2. LOWER SHAFT GEAR IS ELIMINATE THE LOOSENESS.
  • Page 6: Service Access

    MODEL:eXperience 660 SERVICE ACCESS (1) FACE COVER (UNIT) TO REMOVE: Remove the cap and setscrew. Remove the face cover TO ATTACH: Follow the procedure above in reverse. Face cover Setscrew...
  • Page 7: Top Cover

    MODEL:eXperience 660 SERVICE ACCESS (2) TOP COVER (UNIT) TO REMOVE: Raise the carrying handle and the setscrew (A). Open the top cover and remove the setscrew (B). Lift up the top cover and remove it from the rear side. TO ATTACH: Follow the procedure above in reverse.
  • Page 8: Belt Cover

    MODEL:eXperience 660 SERVICE ACCESS (3) REPLACING THE BELT COVER TO REMOVE: Raise the carrying handle and loosen the screw (A). Remove the cap and the screw (B). Loosen the screw (C) and the belt cover. TO ATTACH: Follow the procedure in reverse.
  • Page 9: Bed Cover

    MODEL:eXperience 660 SERVICE ACCESS (4) REPLACING THE BED COVER (UNIT) TO REMOVE: Push the drop feed dog lever to the left. Remove the setscrews (A), then remove the bed cover (unit). TO ATTACH: Push the drop feed dog lever to the left. Attach the bed cover (unit) and tighten the setscrews (A).
  • Page 10: Front Cover

    MODEL:eXperience 660 SERVICE ACCESS (5) REPLACING THE FRONT COVER (UNIT) TO REMOVE: Remove the face cover (unit), top cover (unit) and belt cover. (See page 7, 8) Loosen the setscrews (A), (B) and (C). Then remove the front cover (unit). Disconnect the connector for printed circuit board-F and flexible flat cable from the printed board-A.
  • Page 11: Rear Cover

    MODEL:eXperience 660 SERVICE ACCESS (6) REPLACING THE REAR COVER TO REMOVE: Remove the face cover (unit), top cover (unit) and belt cover. (See page 9, 10) Loosen the setscrews (A), (B), (C) and (D), then remove the cap and setscrew (F).
  • Page 12: Adjusting Presser Foot Height And Alignment

    MODEL:eXperience 660 ADJUSTING PRESSER FOOT HEIGHT AND ALIGNMENT WHEN THE PRESSER FOOT IS RAISED, THE CLEARANCE BETWEEN THE PRESSER FOOT AND THE NEEDLE PLATE SHOULD BE 5.7 TO 6.3 MM. 1. Remove the face cover and raise the presser foot.
  • Page 13: Needle Drop Position Alignment

    MODEL:eXperience 660 NEEDLE DROP POSITION ALIGNMENT SELECT THE STITCH PATTERN " "; THE STANDARD NEEDLE DROP POSITION SHOULD BE AT THE CENTER OF THE NEEDLE PLATE HOLE. WHEN THE NEEDLE SWINGS IN MAXIMUM ZIGZAG WIDTH " ", THE CLEARANCE BETWEEN BOTH ENDS OF THE NEEDLE HOLE IN THE NEEDLE PLATE AND THE NEEDLE SHOULD BE 0.2...
  • Page 14: Adjusting Hook Timing

    MODEL:eXperience 660 ADJUSTING HOOK TIMING THE HOOK TIMING IS THAT AMOUNT OF ASCENDING TRAVEL OF THE NEDLE BAR FROM ITS LOWEST POSITION WHERE THE TIP OF THE ROTARY HOOK MEETS THE RIGHT SIDE OF THE NEEDLE SHOULD BE 3.25 TO 3.55 MM.
  • Page 15: Adjusting Needle Bar Height

    MODEL:eXperience 660 ADJUSTING NEEDLE BAR HEIGHT THE STANDARD DISTANCE BETWEEN THE UPPER EDGE OF THE NEEDLE EYE AND THE TIP OF THE ROTARY HOOK SHOULD BE IN THE RANGE OF 1.6 TO 2.0 MM WHEN THE ROTARY HOOK MEETS THE RIGHT SIDE OF THE NEEDLE IN ASCENDING TRAVEL OF NEEDLE FROM ITS LOWEST POSITION.
  • Page 16: Adjusting Clearance Between Needle And Hook

    MODEL:eXperience 660 ADJUSTING CLEARANCE BETWEEN NEEDLE AND HOOK THE CLEARANCE BETWEEN NEEDLE AND ROTARY HOOK SHOULD BE -0.10 TO +0.05 MM. 1. Turn the power switch on. Select the zigzag stitch " " and set the zigzag width at maximum.
  • Page 17: Adjusting Backlash Between Hook Drive Gear And Lower Shaft Gear

    MODEL:eXperience 660 ADJUSTING BACKLASH BETWEEN HOOK DRIVE GEAR AND LOWER SHAFT GEAR ROTARY PLAY OF GEARS SHOULD BE 0.8 MM OR LESS WHEN THE TIP OF THE ROTARY HOOK IS WITHIN THE WIDTH OF THE FEED DOG AS SHOWN BELOW.
  • Page 18: Feed Dog Height Adjustment

    MODEL:eXperience 660 FEED DOG HEIGHT ADJUSTMENT WHEN THE PRESSER FOOT IS LOWERED WITH THE PRESSURE DIAL SET AT "3", THE HIGH- EST POSITION OF THE FEED DOG SHOULD BE 8 TO 9 MM ABOVE THE SURFACE OF THE NEEDLE PLATE.
  • Page 19: Zigzag Synchronization

    MODEL:eXperience 660 ZIGZAG SYNCHRONIZATION DURING LATERAL MOVEMENT OF THE NEEDLE IN ZIGZAG SEWING, THE NEEDLE SHOULD START TO SWING 6.3 TO 7.5 MM ABOVE THE NEEDLE PLATE. 1. Remove the cover. 2. Turn on the power switch and set the pattern selector dial at maximum zigzag width.
  • Page 20: Needle Thread Tension

    MODEL:eXperience 660 NEEDLE THREAD TENSION WHEN THE POLYESTER SEWING THREAD #50 (WHITE) IS PASSED THROUGH AND PULLED UP AS IN FIG. 1, THE THREAD TENSION SHOULD BE 75 TO 90 GRAMS (THE THREAD PULLING SPEED: APROX. 110 MM/SEC) WITH THE THREAD TENSION DIAL SET AT "AUTO). IF THE TEN- SION IS OUT OF THE STANDARD RANGE, ADJUST IT AS FOLLOWS.
  • Page 21: Stretch Stitch Feed Balance

    MODEL:eXperience 660 STRETCH STITCH FEED BALANCE WHEN A STRETCH PATTERN IS SEWN WITH THE FEED BALANCING DIAL (C) SET AT THE STANDARD MARK, THE PATTERN SHOULD BE AS INDICATED WITH THE "O". 1. Set up the machine in adjusting mode (see below).
  • Page 22: Replacement And Adjustment

    MODEL:eXperience 660 REPLACEMENT AND ADJUSTMENT OF THE NEEDLE THREADER PLATE IF THE HOOK OF THE THREADER PLATE IS DAMAGED, CHANGE OR ADJUST THE PART AS FOLLOWS: TO CHANGE THE THREADER PLATE: TO CHANGE: 1. Push down the needle threader knob and pull the needle threader plate (A) out to remove it (fig. 1).
  • Page 23: Connector Diagram

    MODEL:eXperience 660 CONNECTOR DIAGRAM REFER TO THE DIAGRAM FOR LOCATING THE CONNECTOR POST ON THE CIRCUIT BOARD. TO DISCONNECT THE CONNECTORS: 1. Grasp the connector body with your fingers and pull. Do not pull the lead wire, it may damage the contact sleeves inside the connector.
  • Page 24: Self Diagnostic Test

    MODEL:eXperience 660 SELF DIAGNOSTIC TEST TURN ON THE POWER SWITCH. IF ANY OF FOLLOWING PROBLEMS OCCUR, TAKE THE RECOM- MENDED ACTIONS IN THE ORDER THEY ARE SHOWN. • THE MACHINE DOES NOT RESPOND WHEN THE POWER SWITCH IS TURNED ON.
  • Page 25: Self Diagnostic Tests

    MODEL:eXperience 660 SELF DIAGNOSTIC TESTS 1. BUZZER, LCD AND LED DEFECTIVE RESULTS: CORRECT RESULTS • NO BEEP SOUND • BEEP SOUNDS WHEN BUTTONS • DOES NOT ENTER SELF-DIAG- ARE PRESSED NOSTIC MODE. • LCD AND LED BLINKS IN 1-SEC. • LCD AND LED DOES NOT BLINK.
  • Page 26 MODEL:eXperience 660 SELF DIAGNOSTIC TESTS DEFECTIVE RESULTS: 4. BH SENSOR CORRECT RESULTS THE DISPLAY DOES NOT (1) PULL DOWN THE BUTTONHOLE CHANGE. LEVER AS FAR AS IT WILL GO. WHEN THE BUTTONHOLE LEVER REPLACE OR ADJUST: IS PULLED FORWARD, THE •...
  • Page 27 MODEL:eXperience 660 SELF DIAGNOSTIC TESTS CORRECT RESULT DEFECTIVE RESULTS: 7. FOOT CONTROL WHEN THE FOOT CONTROL IS NOT THE VALUE DOES NOT CHANGE. DEPRESSED, SCREEN SHOULD THE VALUE DECREASES WHEN DISPLAY A VALUE IN THE RANGE THE FOOT CONTROL IS DE- OF "000"...
  • Page 28: Replacing Printed Circuit Board "a

    MODEL:eXperience 660 REPLACING PRINTED CIRCUIT BOARD "A" TO REMOVE: 1. Remove the front cover (see page 8). 2. Unplug the connectors from the board "A". 3. Remove the 3 screws and remove board "A". TO INSTALL: 4. To install, follow the above procedure in reverse.
  • Page 29: Replacing Printed Circuit Board "k" And "f

    MODEL:eXperience 660 REPLACING PRINTED CIRCUIT BOARD "K" AND "F" REPLACING PRINTED CIRCUIT BOARD "K" TO REMOVE: 1. Remove the front cover unit (see page 8). 2. Remove the set screws (A) and the printed board "K". TO INSTALL: 4. To install the slide volume, follow the procedure above in reverse.
  • Page 30: Replacing Dc Motor

    MODEL:eXperience 660 REPLACING DC MOTOR AND ADJUSTING MOTOR BELT TENSION TO REMOVE: 1. Remove the belt cover (see page 8). 2. Disconnect the motor connector. Remove the two setscrews, then remove the dc motor and belt. TO ATTACH: 3. Set the motor in machine and replace screws. Replace the motor belt.
  • Page 31: Replacing The Fuses

    MODEL:eXperience 660 REPLACING THE FUSES TO REMOVE: 1. Remove the front covers (see page 8). 2. Remove the printed circuit board "A". Remove the four setscrews and remove the cover from the printed circuit board "A". 3. Remove the fuse (pry up the fuse with a screwdriver).
  • Page 32: Replacing Machine Socket (unit)

    MODEL:eXperience 660 REPLACING MACHINE SOCKET (UNIT) REPLACING THE MACHINE SOCKET TO REMOVE: 1. Remove the front and rear covers (see page 8). 2. Remove the machine socket connector from the printed circuit board "A". 3. Remove the two set screws and remove the machine socket.
  • Page 33: Replacing The Transformer

    MODEL:eXperience 660 REPLACING THE TRANSFORMER REPLACING THE TRANSFORMER (UNIT) TO REMOVE: 1. Remove the circuit board "A". (See page 8) 2. Remove the two setscrews and remove the transformer (unit). TO INSTALL: 3. To install the transformer, follow the above procedure in reverse.
  • Page 34: Replacing The Zigzag Width Motor

    MODEL:eXperience 660 REPLACING THE ZIGZAG WIDTH MOTOR REPLACING THE ZIGZAG WIDTH MOTOR TO REMOVE: 1. Remove the printed circuit board "A" (see page 8). 2. Remove the two setscrews (A). 3. Remove the two setscrews (B) and remove the zigzag width motor.
  • Page 35: Replacing Feed Stepping Motor

    MODEL:eXperience 660 REPLACING FEED STEPPING MOTOR TO REMOVE: 1. Remove the belt cover and base. 2. Remove the snap ring (E). 3. Remove the setscrews (A), (B). Remove the feed stepping motor. TO ATTACH: 4. Follow the above procedure in reverse.
  • Page 36: Adjusting Buttonhole Lever Position

    MODEL:eXperience 660 ADJUSTING BUTTONHOLE LEVER POSITION TO ADJUST THE BUTTONHOLE LEVER GUIDE: 1. Set the machine in buttonhole sensor adjusting mode. (See below. The screen should display "H" or "L".) 2. Remove the face cover and loosen setscrew (A). 3. Lower the buttonhole lever. Position the buttonhole lever guide so the screen displays "L". Tighten setscrew (A).
  • Page 37: Adjusting The Bobbin Winding Switch

    MODEL:eXperience 660 ADJUSTING THE BOBBIN WINDING SWITCH 1. Enter adjusting mode. 2. Remove the top cover (see page 5). 3. Loosen the setscrews to adjust the position of the switch fixing plate. The sp should show "ON" when the bobbin winder spindle is set to the bobbin winding position, and/or "OFF"...
  • Page 38: Adjusting Knee Lifter Height

    MODEL:eXperience 660 ADJUSTING KNEE LIFTER HEIGHT WHEN THE KNEE LIFTER LINK IS TOUCHED TO THE STOPPER, THE CLEARANCE BETWEEN THE NEEDLE PLATE AND THE FOOT SHOULD BE 12.7 MM. 1. Remove the rear cover. (See page 9) 2. Loosen the setscrews and move the knee lifter link to the right when the clearance between the needle plate and the foot is bigger than 12.7 mm.
  • Page 39: Oiling

    MODEL:eXperience 660 OILING FACTORY LUBRICATED PARTS WILL PROVIDE YEARS OF HOUSEHOLD SEWING WITHOUT ROUTINE OILING, BUT YOU SHOULD STILL CHECK FOR POSSIBLE LUBRICATION NEEDS WHENEVER SERVICING MACHINES. OIL: Use good quality sewing machine oil at the points (A, B, C, D, E, F,G,H,I,J & K) indicated by the black arrows.

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