Janome NH22, Service Manual

Page 1: ...1 SERVICE MANUAL PARTS LIST MODEL NH22...

Page 2: ...RESSER BAR HEIGHT AND ALIGNMENT 12 NEEDLE SWING 13 NEEDLE DROP POSITION 14 CLEARANCE BETWEEN NEEDLE AND SHUTTLE 15 16 FEED DOG HEIGHT 17 NEEDLE BAR HEIGHT 18 NEEDLE TIMING TO SHUTTLE 19 BUTTONHOLE FEE...

Page 3: ...ATE NEEDLE SEE MECHANICAL P 16 BAR HEIGHT ADJUSTMENT NEEDLE BAR HEIGHT 7 INAPPROPRIATE NEEDLE SEE MECHANICAL P 17 TO HOOK TIMING ADJUSTMENT NEEDLE TIMING TO SHUTTLE 8 INAPPROPRIATE NEEDLE SEE MECHANIC...

Page 4: ...O MUCH THREAD IS ADJUST THE POSITION OF WOUND ON THE BOBBIN STOPPER 3 LINT IS STUCK INSIDE THE CLEAN THE HOOK RACE HOOK RACE 4 THREAD QUALITY IS CHANGE TO A HIGH QUALITY TOO LOW SEWING THREAD 5 THREAD...

Page 5: ...IATE BELT SEE MECHANICAL P 22 TENSION ADJUSTMENT MOTOR BELT TENSION 4 UPPER SHAFT GEAR IS LOOSE ELIMINATE THE LOOSENESS 5 NOT ENOUGH OIL OIL ALL MOVING PARTS 7 DEFORMATION 1 INAPPROPRIATE ZIGZAG SEE M...

Page 6: ...SETSCREW B TO ATTACH 2 FOLLOW THE ABOVE PROCEDURE IN REVERSE TOP COVER TO REMOVE 1 REMOVE THE SETSCREWS C 2 SLIDE THE CORNER OF THE TOP COVER SLIGHTLY IN THE DIRECTION OF ARROW BE CAREFUL THAT THE TH...

Page 7: ...7 A BASE COVER SERVICE ACCESS BASE COVER TO REMOVE 1 LOOSEN THE SETSCREWS A 2 REMOVE THE BASE PLATE TO ATTACH 3 MOUNT THE BASE PLATE AND SECURE IT WITH SETSCREWS...

Page 8: ...EW A SEE PAGE 4 2 OPEN THE SHUTTLE COVER AND REMOVE THE SETSCREWS B C AND D 3 REMOVE THE CAPS AND SETSCREWS E F G 4 REMOVE THE SETSCREWS H AND I 5 OPEN THE TOP COVER SEE PAGE 5 LOOSEN THE SETSCREW J 6...

Page 9: ...5 2 LOOSEN THE SETSCREW A 3 REMOVE THE SETSCREW B REMOVE THE REAR COVER SEE PAGE 6 LOOSEN THE SETSCREW C E AND H REMOVE THE SETSCREW D 4 OPEN THE SHUTTLE COVER REMOVE THE SETSCREW F 5 REMOVE THE BASE...

Page 10: ...ABOVE LIMIT ADJUST AS FOLLOWS 1 SET THE TENSION DIAL 4 2 REMOVE THE COVER 3 LOWER THE PRESSER FOOT IF THE TOP TENSION IS TOO LOOSE TURN THE LEAD SCREW IN THE DIRECTION A IF THE TOP TENSION IS TOO TIG...

Page 11: ...RING THE BOBBIN THREAD TENSION SHOULD BE 45 55g WHEN PULLING THE THREAD IN THE DIRECTION OF B IF THE TENSION IS OUT OF THE RANGE ADJUST IT AS FOLLOWS ADJUSTMENT PROCEDURE 1 TURN THE ADJUSTING SCREW C...

Page 12: ...E COVER SEE PAGE 7 2 REMOVE THE SETSCREWS B AND THE LAMP SOCKET THEN LOOSEN THE SCREW C ON THE PRESSER BAR HOLDER ADJUST THE DISTANCE BETWEEN THE PRESSER FOOT D AND THE NEEDLE PLATE D TO 6 0 MM 0 24 3...

Page 13: ...PATTERN SELECTOR DIAL WITH MAXIMUM ZIGZAG WIDTH AND REMOVE THE T TOP COVER SEE PAGE 4 2 LOOSEN TWO SETSCREWS 3 ADJUST THE NEEDLE SWING BY TURNING THE HANDWHEEL WHILE HOLDING THE WORM SO AS NOT TO ROT...

Page 14: ...F THE NEEDLE HOLE IN THE NEEDLE PLATE AND THE NEEDLE DROP POSITIONS SHOULD BE EQUAL IF NOT ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE FACE COVER SEE PAGE 4 2 SET THE PATTERN SELECTOR DIAL AT...

Page 15: ...RANCE BETWEEN 0 05 TO 0 10 MM IF CLEARANCE IS TOO WIDE MOVE THE NEEDLE BAR SUPPORTER IN THE DIRECTION B IF CLEARANCE IS TOO NARROW MOVE THE NEEDLE BAR SUPPORTER IN THE DIRECTION C NOTE AFTER THIS ADJU...

Page 16: ...LEARANCE BETWEEN THE NEEDLE AND THE SHUTTLE RACE IN THE RANGE OF 0 05 TO 0 10 MM 5 SET THE PATTERN SELECTOR DIAL AT TURN THE HANDWHEEL TO CHECK IF THE CLEARANCE BETWEEN THE NEEDLE AND INNER EDGES OF T...

Page 17: ...EEDLE PLATE SHOULD BE 0 75 0 90 MM IF IT IS NOT IN THE RANGE ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 OPEN THE SHUTTLE COVER 2 LOWER THE PRESSER FOOT AND TURN THE HANDWHEEL TOWARD YOU UNTIL THE FEED D...

Page 18: ...CE COVER 2 SET THE PATTERN SELECTOR DIAL AT MODEL NEXT40 PATTERN SELECT DIAL AT WIDTH SELECTOR DIAL AT 0 3 OPEN THE SHUTTLE COVER 4 REMOVE THE SHUTTLE RACE RING 5 TURN THE HANDWHEEL TOWARD YOU UNTIL T...

Page 19: ...RING 5 TURN THE HANDWHEEL TOWARD YOU UNTIL THE TIP OF THE SHUTTLE HOOK MEETS THE LEFT SIDE OF THE NEEDLE 6 LOOSEN THE LOWER SHAFT CRANK ARM SCREWS A 7 WHILE HOLDING THE SHUTTLE HOOK SO IT DOESN T TURN...

Page 20: ...RANGE OF 9 12 STITCHES IN THE RIGHT SIDE ROW BACKWARD FEEDING AGAINST 10 STITCHES IN THE LEFT SIDE ROW FORWARD FEEDING IS CONSIDERED ACCEPTABLE ADJUSTMENT PROCEDURE 1 CHECK THE FEED BALANCE BY SEWING...

Page 21: ...DIFFERENCE BETWEEN FORWARD FEEDING AND BACKWARD FEEDING DURING STRETCH STITCH PATTERNS MAKE AN ADJUSTMENT AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE CAP 2 SET THE PATTERN SELECTOR DIAL AT AND THE ST...

Page 22: ...ION AND OPEN A 1 6 MM GAP BETWEEN THE SLIDER AND THE BUTTONHOLE FOOT 6 TURN THE ADJUSTING SCREW TO THE LEFT UNTIL THE LCD DISPLAY BH SYMBOL 7 NEXT TURN THE ADJUSTING SCREW TO THE RIGHT UNTIL THE BH SY...

Page 23: ...RN SELECTOR CAM 4 LOOSEN THE SET SCREW 5 PUSH THE CONVEX PART OF THE CAM FOLLOWER RELEASING ARM IN THE DIRECTION OF ARROW UNTIL THE CAM FOLLOWER RELEASING ARM TOUCHES POSITION A OF THE PATTERN SELECTO...

Page 24: ...ELT JUMPING 2 THE BELT DEFLECTION SHOULD BE 7 MM 9 MM WHEN PRESSING THE MIDDLE OF THE MOTOR BELT WITH APPROXIMATELY 300 GRAMS OF PRESSURE ADJUSTMENT PROCEDURE 1 REMOVE THE FRONT AND REAR COVER SEE PAG...

Page 25: ...25 WIRING 1 WIRING FOR MACHINE SOCKET UNIT 2 WIRING DIAGRAM M L M MOTOR L LAMP FOOT CONTROL MACHINE SOCKET LAMP SOCKET MOTOR M L 120V 240V...

Page 26: ...26 MODEL NH22 PARTS LIST 1 2 27 29 3 5 25 49 8 41 42 43 44 45 13 14 31 34 35 26 4 24 16 4 46 47 8 7 40 37 40 38 39 19 15 28 30 33 18 17 7 7 32 10 8 6 9 11 22 23 5 5 5 32 36 21 12 48 20...

Page 27: ...6 735616200 735002001 000097901 000061319 739064003 310615808 310054401 310055701 310050005 Rear cover unit Rear cover Cover fixing plate Tapping screw 3x8 B Setscrew TP4x6 Setscrew 4x10 B Cap Setscre...

Page 28: ...28 MODEL NH22 PARTS LIST 29 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 18 19 20 21 22 17 23 26 24 25 28 30 31 32 33 34 35 36 37 38 17 39 42 41 40 27...

Page 29: ...r supporter stopper Washer Bolt 4x8 Presser bar Presser bar spring Presser bar bracket Hexagonal socket screw 4x8 Presser foot lifter Snap ring E 5 Tension release lever Snap ring CS 5 BH regulating l...

Page 30: ...30 MODEL NH22 PARTS LIST 1 2 3 4 7 4 5 6 8 30 13 11 12 13 23 24 20 19 18 14 15 16 17 21 22 26 25 27 14 28 29 31 30 32 34 35 36 37 10 9 33...

Page 31: ...ader plate unit Needle bar connecting stud unit Needle threader set plate unit Needle threader set plate Needle threader base Flat screw 2x4 Needle bar unit Needle ha1 14 Hexagonal socket screw 5x5 Th...

Page 32: ...32 MODEL NH22 PARTS LIST 1 2 9 4 5 6 7 8 7 10 11 12 13 14 15 16 17 23 19 22 23 24 25 26 27 20 28 29 3 18 21 30 31...

Page 33: ...009 310069007 Upper shaft unit Setscrew Hexagonal socket screw 4x4 Thrust washer Upper shaft front bushing Ring Hexagonal socket screw 5x5 Worm Setscrew Felt Crank rod unit Feed cam Crank rod Crank ca...

Page 34: ...34 MODEL NH22 PARTS LIST 9 10 11 12 6 6 6 13 8 8 30 28 17 18 26 19 19 20 21 24 23 22 29 28 25 3 4 1 5 2 7 6 8 15 14 27 28 16...

Page 35: ...inder support plate unit Bobbin winder support plate Clutch opener plate Setscrew 3x8 B Bobbin winder arm unit Snap ring E 5 Bobbin winder arm spring Setscrew 4x8 Zigzag mechanism unit Index spring Se...

Page 36: ...36 MODEL NH22 PARTS LIST 1 2 3 4 4 5 6 7 8 9 10 11 12 13 14 8 4 15 16 17 8 8 18 19...

Page 37: ...00001609 000172602 735610101 532096007 647515006 102261000 Needle plate Setscrew Lower shaft gear unit Hexagonal socket screw 5x5WP Washer 8 0 5 Bushing Feed lifting cam Hexagonal socket screw 5x5 Low...

Page 38: ...38 MODEL NH22 PARTS LIST 1 2 3 4 5 6 7 8 6 9 10 10 11 11 12 12 22 23 24 25 26 27 6 13 14 15 16 6 17 18 19 20 21...

Page 39: ...shaft unit Feed rock shaft Feed bar Feed bar shaft Snap ring E 4 Hexagonal socket screw 4x4 Feed dog Setscrew Feed bar spring Feed rock shaft center Feed rock shaft center plate Setscrew 4x6 Feed lift...

Page 40: ...40 MODEL NH22 PARTS LIST 4 9 7 6 8 5 2 1 3...

Page 41: ...MODEL NH22 743612005 743025005 014170108 000115504 739505403 739037007 000103509 000107802 000060802 Motor assy Motor bracket Motor Setscrew TP5x10 Machine socket unit Machine socket cover Setscrew 4...

Page 42: ...42 MODEL NH22 PARTS LIST 7 8 1 4 3 2 5 6 9 10 11...

Page 43: ...11 310870010 102261000 647808009 639804000 740801004 735801008 647803004 611406002 611411000 C 1028 310800259 Accessory set Bobbin Seam ripper unit Needle set unit Buttonhole foot Darning plate Screwd...