Janome Memory Craft 3000, Service Manual

Page 1: ...SERVICE MANUAL...

Page 2: ...t the upper shaft shield plate position 12 To adjust the upper thread tension 13 To adjust the stretch feed balance 14 To replace and adjust the threader plate 15 To adjust the buttonhole lever 16 Boa...

Page 3: ...removing TOP COVER Y TO REMOVE 1 Remove 3 screws A B and top cover TO ATTACH 2 Attached the top cover with 3 screws A and B FACEPLATE Z TO REMOVE 3 Remove 2 screws C and face plate TO ATTACH 4 Attach...

Page 4: ...move 6 screws A and base TO ATTACH 2 Attach the base with 6 screws A BED COVER Z TO REMOVE 3 Move the drop lever to the left then remove 2 screws B 4 Remove the bed cover TO ATTACH 5 Move the drop lev...

Page 5: ...Belt cover attaching and removing TO REMOVE 1 Remove 2 screws A and belt cover Y then pull out TO ATTACH 2 Attach the belt cover Y with 2 screws A 3...

Page 6: ...emove the top cover belt cover and bed cover See pages 1 2 and 3 2 Remove screw A and loose screws B C D E F and G 3 Pull out connectors H and remove the front panel TO ATTACH 4 Insert connectors H an...

Page 7: ...pen the face plate 2 Raise the presser foot loosen the presser bar bracket screw D and adjust the height to 6 0 mm 3 Check if the presser foot is parallel to the openings for the feed dog on the needl...

Page 8: ...th the distance between both edges of the needle hole on the needle plate and the needle drop position should be equal as shown below C 1 Turn on the power switch 2 Select pattern 01 straight stitch o...

Page 9: ...bbin holder 2 Turn on the power switch and select the pattern straight stitch at the left needle position 3 Turn the balance wheel toward you until tip of hook meets the right side of the needle B 4 L...

Page 10: ...cover See pages 1 2 and 3 4 Turn the balance wheel toward you and set the needle bar to the lowest position A 5 In this condition If the projection of feed lifting cam C is in the lowest position loos...

Page 11: ...e power switch and select the simple zigzag stitch 4 Loosen the set screws B and C and slightly tighten the hinge screw A 5 Turn the balance wheel and adjust the clearance between the master needle an...

Page 12: ...w 1 Remove the bed cover See page 2 2 Loosen the hexagon socket screw D 3 If the backlash is too much turn the lower shaft bushing in direction A If the backlash is too little turn the lower shaft bus...

Page 13: ...e needle plate F 1 Set the pressure adjusting lever C at 3 with the presser foot lowered 2 Turn on the power switch 3 Turn the balance wheel toward you to get the highest position of feed dog 4 Remove...

Page 14: ...wly with your hand until the needle starts swinging A If higher than 7 5 mm loosen the set screws D and turn the upper shaft shield plate E in direction of A B If lower than 6 3 mm loosen the set scre...

Page 15: ...ize 50 in direction C with setting the tension dial at 3 Make sure the foot is lowered 1 Set the thread tension dial to 3 2 Open the face plate and adjust the thread tension by turning the thread tens...

Page 16: ...g mark G the forward feed A and reverse feed B should be same length 1 Set the triple straight stitch and the feed balancing dial at standard setting mark G 2 Remove the screws D and base cap E 3 Adju...

Page 17: ...hest position and lower the needle threader knob D as far as it will go 2 Loosen screw E and replace the needle threader plate F See A TO ADJUST 3 If the hook G touches the right or left side of the n...

Page 18: ...rn the power switch on while pressing the reverse button then press BH1 at once H SENSOR H or L will appear in the screen 2 Lower the buttonhole lever E Then leave the clearance J of 1 6mm between the...

Page 19: ...ll out 8 connectors from the Board A 3 Remove 4 screws B and Board A TO ATTACH 3 Follow the above procedure in reverse D Upper shaft sensor H Feed stepping motor E Buttonhole sensor I Driving motor F...

Page 20: ...d M 3 Remove the rear cover W 4 Pull out the 4 connectors O P Q R and remove screws N O Transformer primary P Machine socket Q Transformer secondary 5 Remove Board C TO ATTACH 6 Attach Board C with 3...

Page 21: ...s B and remove case cover G 4 Replace fuse or Board C TO ATTACH 5 Attach the case cover with 3 screws B 6 Attach the Board C with 3 screws A 7 Attach the rear cover NOTE To replace fuse pry it out of...

Page 22: ...belt E screws B and the driving motor F TO ATTACH 6 Attach the driving motor F by tightening the two screws B slightly The motor cord should be set as shown below J 7 Attach the motor belt E and adjus...

Page 23: ...ut the connectors A B for the transformer F from the Board C 4 Remove 3 screws D E and transformer F TO ATTACH 5 Attach the transformer unit F with 3 screws D E 2 for the transformer F and 1 for the h...

Page 24: ...Cut off the cord binder B and pull out the connectors D E from Boards A and C 3 Remove 2 screws H and machine socket unit F TO ATTACH 4 Attach the machine socket unit F with 2 screws H 5 Secure the co...

Page 25: ...ll the buttonhole lever D toward you and remove it TO ATTACH 4 Insert the shaft into the holes of the buttonhole lever D and attached the buttonhole lever with the snap ring 5 Attach the buttonhole sh...

Page 26: ...he 9 screws A 3 Pull out the connector B from board K and remove Board K TO ATTACH 4 Follow the above procedure in reverse BOARD F TO REMOVE 1 Remove the front panel unit See page 4 2 Pull out the con...

Page 27: ...the button hole sensor unit B TO ATTACH 5 Insert the buttonhole sensor cord F through the front bracket unit G cord guide plate H and the two cord guides E 6 Insert the connector D for buttonhole sens...

Page 28: ...n the figure below A Upper shaft sensor H Lamp socket B buttonhole sensor I Board K C Machine socket secondary circuit J Transformer primary cord D Zigzag stepping motor K Machine socket primary E Fee...

Page 29: ...ary as illustrated bellow 1 Remove the top cover unit 2 Move the dip switches with the tail of the lint brush A English B Deutsch German C Espanol Spanish D Nederlands Dutch E Francais French F Italia...

Page 30: ...nly start running For your safety turn off the power switch when replacing any parts Always recheck after replacing defective parts CHECK OPERATION 2 Use diagnosis chart Preparation 1 Turn off the pow...

Page 31: ...D shows BH Sensor L when the sensor is open Buzzer sounds each time and LCD shows Spool 1 Buzzer sounds and LCD shows PH Sensor H H 2 LCD shows PH Sensor L H when the needle bar is moved from the lowe...