ELNA eXperience 620 Service Manual Download | Manualshive

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MODEL: eXperience 620

SERVICE ACCESS (1)

FACE COVER (UNIT)

TO REMOVE:

1. Remove the cap and setscrew.

2. Remove the face cover

TO ATTACH:

3. Follow the procedure above in reverse.

Setscrew

Cap

Face cover

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Summary of Contents for eXperience 620

Page 1: ...SERVICE MANUAL eXperience 620...

Page 2: ...E GEAR AND LOWER SHAFT GEAR 15 FEED DOG HEIGHT ADJUSTMENT 16 ZIGZAG SYNCHRONIZATION 17 NEEDLE THREAD TENSION 18 STRETCH STITCH FEED BALANCE 19 REPLACEMENT AND ADJUSTMENT OF THE NEEDLE THREADER PLATE 2...

Page 3: ...ND THREAD USE A 11 BLUE TIP NEEDLE ADJUST THE PRESSER BAR LEVEL TO MAKE THE PRESSURE STRONGER SEE MECHANICAL ADJUSTMENT NEEDLE BAR HEIGHT SEE MECHANICAL ADJUSTMENT NEEDLE TO HOOK TIMING SEE MECHANICAL...

Page 4: ...CORRECTLY THREADED BOBBIN 2 TOO MUCH THREAD IS AROUND ON THE BOBBIN 3 LINT IS STUCK INSIDE THE BOBBIN HOLDER 4 THREAD QUALITY IS TOO LOW 5 THREAD IS JAMMING AROUND THE BOBBIN THREAD BOBBIN CORRECTLY A...

Page 5: ...NT BACKLASH LOWER SHAFT GEAR ELIMINATE THE LOOSENESS SEE PART REMOVAL AND REPLACEMENT DRIVING MOTOR DC MOTOR OIL ALL MOVING PARTS P 15 P 27 P 36 7 DEFORMATION PATTERN 1 INAPPROPRIATE FEED BALANCE 2 IN...

Page 6: ...4 MODEL eXperience 620 SERVICE ACCESS 1 FACE COVER UNIT TO REMOVE 1 Remove the cap and setscrew 2 Remove the face cover TO ATTACH 3 Follow the procedure above in reverse Setscrew Cap Face cover...

Page 7: ...TO REMOVE 1 Raise the carrying handle and remove the setscrew A 2 Open the top cover and remove the setscrew B 3 Lift up the top cover and remove it from the rear side TO ATTACH 4 Follow the procedure...

Page 8: ...G THE BELT COVER TO REMOVE 1 Raise the carrying handle and loosen the screw A 2 Remove the cap and the screw B 3 Loosen the screw C and the belt cover TO ATTACH 4 Follow the procedure in reverse Setsc...

Page 9: ...he bed cover unit TO ATTACH 3 Push the drop feed dog lever to the left 4 Attach the bed cover unit and tighten the setscrews A REPLACING THE BASE TO REMOVE 1 Remove the setscrews A B C D and E 2 Remov...

Page 10: ...Then remove the front cover unit 4 Disconnect the connector for printed circuit board F and flexible flat cable from the printed board A NOTE Never pull on cord when disconnect the cables from the ci...

Page 11: ...elt cover See page 4 5 6 2 Loosen the setscrews A B C and D then remove the cap and setscrew E 3 Lower the presser foot lifter and remove the rear cover from the presser foot lifter section first TO A...

Page 12: ...USTING 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 press...

Page 13: ...ot in the center of the needle plate hole when the straight stitch is selected or if the clearance between the needle and edge of the needle plate hole on both side is less than 0 2 mm when the stitch...

Page 14: ...obbin holder Remove the bed cover see page 7 3 Lower the needle bar at its lowest position by turning the handwheel toward you 4 Loosen the screws of lower shaft gear 5 Raise the needle bar further 3...

Page 15: ...eedle drop position to 0 0 left most position then turn off the power switch 2 Remove the needle plate and bobbin holder 3 Align the tip of rotary hook with the right side of the needle in ascending t...

Page 16: ...to bring the tip of the hook behind the test pin and adjust the clearance between the test pin and the tip of rotary hook to 0 10 to 0 05 by moving the rotary hook set plate up or down 5 Tighten the s...

Page 17: ...ay the hook race with fingers Check the play It should be 0 8 mm or less If there is more than 0 8 mm play adjust as follows ADJUSTMENT PROCEDURE 1 Remove the bed cover and loosen the hexagonal screw...

Page 18: ...oward you until the feed dog comes to its highest position 3 Remove the bed cover see page 7 4 Loosen set screw A and nut 5 Turn the adjusting screw C in the direction of E to raise the feed or turn t...

Page 19: ...mum zigzag width 3 Turn the handwheel toward you and stop turning when the needle starts its sideward movement and loosen setscrew 4 If the needle height is higher than 7 5 mm turn the upper shaft shi...

Page 20: ...st it as follows ADJUSTMENT PROLEDURE 1 Set the thread tension dial at AUTO 2 Remove the face cover see page 9 3 Turn the lead screw to adjust the needle thread tension If the thread tension is too ti...

Page 21: ...ndard figure length of five pieces of figure 8 is 33 39 mm 4 Remove the 2 setscrews Then remove the base cap 5 If the length is longer than 39 mm turn the adjusting screw in the direction of C 6 If th...

Page 22: ...reader knob and pull the needle threader plate A out to remove it FIG 1 2 To install the needle threader plate line the groove of the threader with the pin B and push the plate up to snap fit TO ADJUS...

Page 23: ...gram 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...

Page 24: ...EPLACING ANY PARTS REPEAT THE DIAGNOSTIC TEST UNTIL THE PROBLEMS HAS BEEN RESOLVED TURN ON THE POWER SWITCH IF ANY OF FOLLOWING PROBLEMS OCCUR TAKE THE REC OMMENDED ACTIONS IN THE ORDER THEY ARE SHOWN...

Page 25: ...l LED displays and blinks in 1 sec Interval LED displays pressed button LED displays LED displays the of button S1 to S8 LED displays or LED displays up or down Pull the buttonhole lever to the front...

Page 26: ...be displayed on the LED for 1 second Depress the foot control down all the way and release it Press the of stitch width button 11 will be displayed on the LED for 1 second Press the of stitch length b...

Page 27: ...otor Replace board A The end of test All of the test is finished turn off the power switch SELF DIAGNOSTIC TEST OPERATION Press the of stitch width button 12 will be displayed on the LED for 1 second...

Page 28: ...RCUIT 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 1 To install follow the above procedure in reve...

Page 29: ...ove in reverse Check to ensure that the slide volume moves smoothly back and forth REPLACING PRINTED CIRCUIT BOARD F TO REMOVE 1 Remove the front cover unit Remove the printed board K 2 Remove the set...

Page 30: ...crews then remove the DC motor and belt TO ATTACH 3 Set the motor in machine and replace screws 4 Replace the motor belt 5 When applying approximately 300 grams pressure in the middle of the belt it s...

Page 31: ...the printed circuit board A if you notice any browning discoloration or other abnormalities 2 Only install fuses with the correct rating If the fuse is loose bend the fuse clips inward to secure the...

Page 32: ...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 TO INSTALL 1 To install t...

Page 33: ...EPLACING 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 proc...

Page 34: ...the zigzag width motor TO INSTALL 4 To install the zigzag width motor follow the above procedure in reverse NOTE 1 The setscrews A should be tightened at 5 7 kg of torque 2 Check to ensure that the u...

Page 35: ...es 6 7 2 Remove the snap ring E 3 3 Remove the setscrews A B Remove the feed stepping motor TO ATTACH 4 Follow the above procedure in reverse NOTE Adjust the stretch stitch feed balance after the repl...

Page 36: ...ing screw to the left until the screen display changes from L to H 7 Then turn the adjusting screw to the right until the screen display changes from H to L 8 Check if the led screen shows h when the...

Page 37: ...inder spindle is set to the bobbin winding position and or when the bobbin winer spindle is returned to the sewing position 4 Tigthen the setscrew 5 Attach the top cover ON OFF 2 Press the of stitch l...

Page 38: ...g 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 GREASE...

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