Janome 5030, Service Manual

Page 1: ...SERVICE MANUAL MODEL 5030 81030DC 5050 81050DC 5100 81100DC N 2000 DC3100...

Page 2: ...EED DOG HEIGHT 13 TOP TENSION 14 STRETCH STITCH FEED BALANCE 15 REPLACEMENT AND ADJUSTMENT OF THE NEEDLE THREADER PLATE 16 ADJUSTING BUTTONHOLE LEVER POSITION 17 SELF DIAGNOSTIC TEST SELF DIAGNOSTIC T...

Page 3: ...le and thread Use a HA x 11 blue tip needle See mechanical adjustment Needle bar height See mechanical adjustment Adjustment of hook timing See mechanical adjustment Clearance between needle and tip o...

Page 4: ...bbin thread 1 Bobbin holder is incorrectly threaded 2 Too much thread is wound on the bobbin 3 Lint is stuck inside the bobbin holder 4 Thread quality is too low 5 Thread is jamming around the bobbin...

Page 5: ...t tension 4 Not enough oil 5 Upper shaft gear is loose Eliminate the backlash Eliminate the looseness See part removal and replacement driving motor DC motor Oil all moving parts Eliminate the loosene...

Page 6: ...ng External Parts FACE COVER To remove 1 Remove the cap and setscrew q and lift the face cover to disengage the rib on the inside Remove the face cover w To attach 2 Follow the above procedures in rev...

Page 7: ...5 FREE ARM COVER To remove 1 Remove the setscrew q and w Move the free arm cover e to the left Remove the free arm cover To attach Follow the above procedures in reverse Changing External Parts q w e...

Page 8: ...he setscrews r 2 pcs 5 Loosen the setscrew t 6 Disengage the front cover and rear cover hooks 7 Remove the front cover 8 Disconnect all the connectors from the circuit board A NOTE Do not disconnect t...

Page 9: ...e page 4 and 5 2 Remove the setscrews q 2 pcs and the setscrews w 3 pcs 3 Remove the setscrews e 4 pcs and back cover r 4 Remove the setscrews t 2 pcs 6 Disengage the front cover and rear cover hooks...

Page 10: ...d dog below the needle plate Place a block 6 mm thick under the presser foot and lower the presser foot lifter w 3 Loosen the setscrew q Raise the presser foot lifter and tighten the setscrew q firmly...

Page 11: ...ance between the needle and the edge of the needle hole should be at least 0 2 mm on either side If not adjust as follows 1 Turn the power switch off Remove the face cover See page 4 2 Loosen the hexa...

Page 12: ...handwheel toward you to lower the needle at its lowest position 5 Loosen the hexagonal socket screw w 2 pcs 6 Move the needle bar 3 4 mm from the lowest position 7 Turn the lower shaft gear until the...

Page 13: ...ch on 3 Select the pattern left position Set the zigzag width at 0 4 Turn the handwheel toward you until the tip of hook meets the right side of the needle 5 Loosen the hexagonal socket screw q 6 Move...

Page 14: ...te up or down to within 0 1 to 0 05 mm at the left and right needle position 5 Tighten the setscrews q 2 pcs 6 Attach the face cover Remove the master needle Attach the bobbin holder and needle pate 7...

Page 15: ...hest position 3 Remove the free arm cover See page 5 4 Loosen the setscrew q and nut w 5 Adjust the feed dog height by turning the adjusting screw e The highest position of the feed dog should be betw...

Page 16: ...st as follows 1 Set the tension dial 4 2 Remove the face cover and front cover See page 4 and 6 3 Lower the presser foot If the top tension is too loose turn the lead screw in the direction A If the t...

Page 17: ...to the left to loosen it Move the gear up A or down B to adjust the feed Do not move the gear right or left when adjusting Start the machine and check the movement of the fabric Adjust the hexagonal...

Page 18: ...he threader plate supporter down to remove it see FIG 1 2 To install the needle threader plate line the groove up with the pin and push it up to snap fit TO ADJUST THE THREADER PLATE POSITION 1 If the...

Page 19: ...ver is lowered Tighten the setscrew To adjust the buttonhole sensor position 4 Attach the buttonhole foot R 5 Lower the buttonhole lever to its lowest position and open a 1 6 mm gap between the slider...

Page 20: ...est you want to perform Enter self diagnostic mode then select the step number of the diagnostic test you require by pressing the start stop button To begin Turn on the switch If any of the following...

Page 21: ...S9 when button 5 is pressed LCD displays SC 03 When the buttonhole lever is pulled buzzer sounds and LCD displays BH symbol BH symbol Bobbin symbol Press buttons 1 5 If the result is correct conditio...

Page 22: ...ard you Lower the needle bar its highest to position zigzag phase Press the needle up down button Raise the needle bar from its lowest position to its highest position feed phase Press the needle up d...

Page 23: ...is correct condition press the start stop button to proceed the next step If the result is defective condition press the reverse stitch button to proceed the next step The foot control symbol appears...

Page 24: ...ndition If the result is correct condition press the start stop button to proceed the next step If the result is defective condition press the reverse stitch button to proceed the next step LCD displa...

Page 25: ...defective part number See pages 19 22 Steps and items section Press the reverse stitch button to return to 01 Turn the power switch off when the self diagnostic test is finished To display the versio...

Page 26: ...circuit board A Printed circuit board F1 Printed circuit board F2 Printed circuit board L Bobbin winding switch Blue Foot control Black Presser foot lifter switch Green Switching regulator White BH se...

Page 27: ...rinted circuit board A 3 Remove the screws 4 pcs and the printed circuit board A To attach 1 Follow the above procedures in reverse NOTE Do not disconnect the connectors by pulling on cord To disconne...

Page 28: ...2 Pull out connectors from the printed circuit board A 3 Remove the screws 3 pcs and the printed circuit board F2 To attach 1 Follow the above procedures in reverse NOTE Do not disconnect the connecto...

Page 29: ...ll out connectors from the printed circuit board A 3 Remove the screws 2 pcs and LED cover 4 Remove the printed circuit board F2 To attach 1 Follow the above procedures in reverse NOTE Do not disconne...

Page 30: ...d circuit board A 3 Remove the screw and LED cover 4 Remove the printed circuit board L To attach 1 Follow the above procedures in reverse NOTE Do not disconnect the connectors by pulling on cord To d...

Page 31: ...hten them with setscrews q 2 pcs lightly 2 Move the motor up or down to adjust the motor belt tension The belt should deflect 5 mm when applying 200 grams of load to the middle of the belt Tighten the...

Page 32: ...ont cover and the rear cover See pages 6 and 7 2 Remove the setscrews q 3 pcs and the switching regulator 3 Remove the setscrews w 4 pcs To attach 4 Follow the above procedures in reverse Replacing th...