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Revised on October 20, 2005

Summary of Contents for MC6600

Page 1: ...Revised on October 20 2005...

Page 2: ...D DOG HEIGHT 18 TO REPLACE NEEDLE THREAD TENSION UNIT 19 TO ADJUST THE UPPER THREAD TENSION RELEASE 1 20 TO ADJUST THE UPPER THREAD TENSION RELEASE 2 21 TO ADJUST THE UPPER THREAD TENSION 22 TO ADJUST...

Page 3: ...ACE PLATE TOP COVER TO REMOVE 1 REMOVE THE SETSCREWS B AND C 2 PULL OUT THE CONNECTOR D OF THE BOB BIN WINDER AND REMOVE THE TOP COVER TO ATTACH 1 CONNECT THE CONNECTOR D AS SHOWN ABOVE THEN ATTACH TH...

Page 4: ...IONS D E AND F AND TIGHTEN THE SETSCREWS A B AND C SETSCREW A SETSCREW C BELT COVER SETSCREW B PROJECTION F PROJECTION E PROJECTION D MACHINE BASE TO REMOVE REMOVE THE 5 SETSCRWS A B C D AND E TO ATTA...

Page 5: ...LOOSEN THE SETSCREW A AND PULL OFF THE AUTO THREAD CUTTER COVER TO ATTACH REPLACE THE AUTO THREAD CUTTER COVER AND TIGHTEN THE SETSCREW A SETSCREW A AUTO THREAD CUTTER COVER TO REMOVE AUTO THREAD CUTT...

Page 6: ...ENSION RELEASE MOTOR 5 PULL OUT THE CONNECTORS FROM THE PRINTED CIRCUITBOARD K TO ATTACH 6 PROCEED WITH THE ABOVE PROCEDURE IN REVERSE SETSCREW A SETSCREW C TO REMOVE FRONT COVER TO REMOVE SETSCREW B...

Page 7: ...2 REMOVE THE SETSCREWS A AND B REMOVE THE THREAD GUIDE COVER C TO ATTACH 1 ATTACH THE THRED GUIDE COVER ENGAGING THE SLIT WITH THE THREAD GUIDE PLATE D 2 TIGHTEN THE SETSCREWS A AND B SETSCREW A THRE...

Page 8: ...E 2 SETSCREW A SETSCREW B LAMP TO REMOVE 1 REMOVE THE FACE PLATE AND MOVE THE LAMP TO THE LEFT 2 REMOVE THE SETSCREWS A B AND C REMOVE THE ARM THREAD GUIDE 2 TO ATTACH 3 REVERSE THE ABOVE PROCEDURE AR...

Page 9: ...O CHANGE THE FUSE 1 REMOVE THE 2 SETSCREWS B AND 2 SETSCREWS C 2 REMOVE THE CIRCUIT BOARD CASE AND LID 3 PRY THE FUSE OUT WITH A SCREWDRIVER AS SHOWN IF THE FUSE IS LOOSE BEND THE FUSE HOLDER WITH YOU...

Page 10: ...UME CONNECTOR TO REMOVE CIRCUIT BOARD K TO REMOVE 1 REMOVE THE FRONT COVER REFER TO PAGE 4 PULL OUT SLIDE VOLUME CONNECTOR 2 REMOVE THE 8 SETSCREWS AND CIRCUIT BOARD K TO ATTACH PROCEED WITH THE ABOVE...

Page 11: ...OR FROM THE CIRCUIT BOARD A 3 REMOVE THE 4 SETSCREWS A 2 CS RINGS AND CIRCUIT BOARD F TO ATTACH REVERSE THE ABOVE PROCEDURE MAKE SURE THAT THE BUTTONS ARE PLACED IN THE CORRECT PLACES AND DIRECTION FI...

Page 12: ...CONTROL WHITE 2 PINS LOWER SHAFT SENSOR BLACK 5 PINS BOBBIN WINDER BLACK 4 PINS BH SENSOR BLACK 3 PINS CIRCUIT BOARD K BLACK 32 PINS PRESSER BAR SWITCH BLACK 2 PINS MOTOR FOR THREAD TENSION RELEASE RE...

Page 13: ...1 3 TIGHTEN THE HEXAGONAL SOCKET SCREW A 4 ATTACH THE FACE PLATE TO ADJUST NEEDLE DROP POSITION HOLE OF NEEDLE PLATE 0 2 MM OR MORE 0 2 MM OR MORE A B FIG 2 HEXAGONAL SOCKET SCREW A ECCENTRIC PIN B F...

Page 14: ...IRECTION A IF THE BACKLASH IS TOO LITTLE TURN THE LOWER SHAFT BUSHING IN DIRECTION B 5 TIGHTEN THE HEXAGONAL SOCKET SCREW D 6 ATTACH THE NEEDLE NEEDLE PLATE AND BOB BIN HOLDER 7 ATTACH THE MACHINE BAS...

Page 15: ...LE BAR HEIGHT USING THE ALTANATIVE WAY OF ADJUSTMENT SEE PAGE 14 1 REMOVETHE PRESSER FOOT NEEDLE PLATE AND BOBBIN HOLDER 2 REMOVE THE MACHINE BASE 3 TURN THE POWER SWITCH ON AND SELECT THE STITCH NO 8...

Page 16: ...IX THE ARM THREAD GUIDE AND FACE PLATE GUIDE 10 ATTACH THE FACE PLATE ALTERNATIVE WAY OFADJUSTMENT BY TAKING THIS WAY OF ADJUSTMENT IT IS NOT NECES SARY TO CHECK THE HOOK TIMING 1 RAISE THE NEEDLE TO...

Page 17: ...ATTACH THE MACHINE BASE BOBBIN HOLDER NEEDLE PLATE AND PRESSER FOOT ADJUSTMENT OF CLEARANCE BETWEEN NEEDLE AND ROTARY HOOK THE CLEARANCE BETWEEN NEEDLE AND THE TIP OF THE ROTARY HOOK J SHOULD BE BETW...

Page 18: ...SITION 10 LOOSEN THE SETSCREW B TIGHTEN THE SET SCREW A MAKE SURE THERE SHOULD BE NO GAP BETWEEN THE WASHER AND THE PRESSER BAR SETSCREW B 2 mm 6 6 MM PRESSER FOOT LIFTER BLOCK A GUAGE 846 G02 NEEDLE...

Page 19: ...UNDER THE LEVERS 17 ATTACH THE NEEDLE BAR SUPPORTER SPRING 18 ATTACH THE FACE COVER AND TOP COVER ADJUSTMENT OF DIRECTION OF PRESSER BAR AND ITS HEIGHT 2 14 IF THE BLOCK DOES NOT MOVE SMOOTHLY LOOSEN...

Page 20: ...FEED DOG HEIGHT TO 0 80 0 90 MM BY TURNING THE ADJUSTING SCREW G 7 TIGHTEN THE NUT F AND SET SCREW E 8 ATTACH THE BED COVER PARALLEL OF THE FEED DOG IF THE FEED DOG IS NOT PARALLEL TO THE SUR FACE OF...

Page 21: ...O REMOVE 1 REMOVE THE FACE PLATE 2 LOOSEN THE SETSCREWS A AND B REMOVE THE THREAD GUIDE COVER C 3 LOOSEN THE HEXAGONAL SOCKET SCREW D 4 REMOVE THE TENSION RELEASE PLATE F FROM THE TENSION RELEASE ARM...

Page 22: ...WHEN THE PRESSER FOOT IS RAISED THREAD TENSION DISK 0 8 MM 1 REMOVE THE FACE PLATE AND ARM THREAD GUIDE 2 2 LOOSENTHE SETSCREW 3 ROTATE THE ECCENTRIC PIN TO ADJUST THE CLEARANCE BETWEEN THREAD TENSION...

Page 23: ...EN THE SETSCREW B LIGHTLY SLIDE THE BASE TO THE FRONT TIGHTEN THE SETSCREW A AND B SECURELY 5 ATTACH THE THREAD GUIDE COVER TOP COVER AND FACE PLATE TO CHECK TURN THE THREAD TENSION RELEASE GEAR COUNT...

Page 24: ...AKE SURE THE FOOT IS LOWERED 1 SET THE THREAD TENSION DIAL A TO 4 2 PULL OUT THE TENSION DIAL A 3 LOWER THE PRESSER FOOT 4 ADJUST THE TENSION BY TURNING THE DIAL B TO LOOSEN THE TENSION TURN IT COUNTE...

Page 25: ...THE BOB BIN WINDER STOPPER IN THE DIRECTION OF A OR B TURN THE BOBBIN WINDER STOPPER IN THE DIRECTION OF A WHEN THE THREAD AMOUNT FOR BOBBIN IS TOO LARGE TURN THE BOBBIN WINDER STOPPER IN THE DIRECTIO...

Page 26: ...HER LEFT OR RIGHT EDGE OF THE NEEDLE EYE LOOSEN SCREW D AND ADJUST THE POSITION OF THE THREADER PLATE C IF THE THREADER HOOK THRUSTS AGAINST EITHER TOP OR BOTTOM EDGE OF THE NEEDLE EYE OR MISSES THE N...

Page 27: ...EAD CUTTER SET THE NEEDLE BAR AT THE LOWEST POSITION INSERT THE PIN C INTO THE GROOVE OF THE CUTTER DRIVING CAM BY PUSHING DOWN THE DRIVING ARM 1 TURN THE HANDWHEEL TOWARD YOU TO MOVE THE SLIDING PLAT...

Page 28: ...OCKET SCREW WHEN THE THREAD DRAWING LEVER IS AT THE HIGHEST POSITION ADJUST THE DRAWING LEVER SO THE DISTANCE BETWEEN BOBBIN HOLDER AND THE DRAWING LEVER IS 5 6 MM 3 TIGHTEN THE HEXAGONAL SOCKET SCREW...

Page 29: ...ING DIAL TO 0 7 LOOSEN THE SETSCREW SO THE CLEARANCE BETWEEN THE UPPER FEED LINK SHAFT AND UPPER FEED LOWER SHAFT SHOULD BE 2 5 MM 8 ATTACH THE BASE THE CLEARANCE BETWEEN THE UPPER FEED LINK SHAFT AND...

Page 30: ...BETWEEN THE DUAL FEED FOOT AND UPPER FEED DOG THE CLEARANCE SHOULD BE 4 MM ADJUSTMENT IF THE CLEARANCE BETWEEN THE DUAL FEED FOOT AND UPPER FEED DOG IS NOT 4MM FOLLOW THE PROCEDURE BELOW 7 REMOVE THE...

Page 31: ...THE NEEDLE PLATE 8 INSERT THE 1 7 MM SPACER GAUGE 846 G03 BETWEEN THE UPPER FEED DOG AND NEEDLE PLATE FROM THE REAR SIDE OF UPPER FEED DOG LOWER THE PRESSER FOOT LIFTER 9 LOOSEN THE SETSCREW A INSERT...

Page 32: ...K PIN INTO THE TAKE UP LEVER CRANK AS ILLUSTRATED THE SETSCREW A MUST HOLD THE NEEDLE BAR CRANK PIN CUT SURFACE THREAD TAKE UP LEVER PHASE NEEDLE BAR CRANK PIN CUT SURFACE TAKE UP LEVER CRANK SETSCREW...

Page 33: ...PARALLE TO THE GROUND THE CRANK AXIS SHOULD BE A 12 3 DEGREE ANGLE ADJUSTING THE PLAY OF CONNECTING BLOCK LOOSEN THE SETSCREWS ADJUST THE CLUTCH BASE POSITION TO FIX THE PLAY OF THE CONNECTING BLOCK T...

Page 34: ...SHOWN THE ILLUSTRATION BELOW LOWER SHAFT GEAR SPRING PIN D 3 X 18 LOWER SHAFT SHIELDING PLATE F FEED CAM C THREAD DRAWING LEVER CAM B LOWER SHAFT GEAR FEED LIFTING PIN E FEED LIFTING CAM CAM UNIT A X...

Page 35: ...TIMING BELT 1 SET THE THE MARK A TO THE TOP OF THE CAM WHEN THE MARK B POINTING UPWARD ATTACH THE BELT MARK A CAM MARK B LOWER SHAFT GEAR SPRING PIN 33...

Page 36: ...E 2 SETSCREWS A AND PULL OUT THE DRIVING MOTOR TO ATTACH 5 TIGHTEN THE 2 SETSCREWS A SLIGHTLY 6 ADJUST THE BELT TENSION AND TIGHTEN THE 2 SETSCREWS A FIRMLY CORRECT MOTOR BELT TENSION WHEN THE MIDDLE...

Page 37: ...CHINE BASE LOOSEN THE SETSCREW D AND TURN THE SHIELD PLATE E UNTIL THE Bsen ON THE LCD CHANGES FROM L TO H AND BUZZER SOUNDS TIGHTEN THE SETSCREW D 4 SET THE RIGHT SIDE OF THE SHIELD PLATE TO THE CENT...

Page 38: ...ONHOLE LEVER GUIDE B UNTIL THE DIS PLAY SHOWS SENSOR L 4 ATTACH THE BUTTONHOLE FOOT R 5 ADJUST THE CLEARANCE OF THE BUTTON HOLE FOOT TO 1 6 MM D 6 LOOSEN THE SCREW E UNTIL THE DISPLAY SHOWS SENSOR H 7...

Page 39: ...F THE MEASUREMENT IS MORE THAN 38 MM B IF THE MEASUREMENT IS LESS THAN 32 MM WHEN THE BUTTON IS PRESSED THE AD JUSTING SCREW F COMES TO THE ADJUST ING POSITION TURN THE ADJUSTING SCREW THEN PRESS BUTT...

Page 40: ...PLAY A SHOWS UP OR DOWN RESPECTIVELY IF NOT LOOSEN THE SETSCREW A AND ADJUST THE POSITION OF THE SWITCH SET PLATE SO THAT THE DISPLAY A CHANGES UP TO DOWN OR VICE VERSA WHEN THE CLEARANCE BETWEEN THE...

Page 41: ...UTTER COVER REFER TO PAGES 2 AND 3 3 SET THE NEEDLE BAR AT THE LOWEST POSITION 4 LOOSEN THE SETSCREW A AND ADJUST THE POSITION OF THE SWITCH B AS FOLLOWS WHEN THE DRIVING ARM 1 IS LOWERED THE DISPLAY...

Page 42: ...SNAP RING E ON THE PLUNGER AND THE YORK SHOULD BE 5 MM 1 REMOVE THE BELT COVER 2 LOOSEN THE SETSCRWS ADJUST THE YORK SO THAT THE CLEARANCE BETWEEN THE SNAP RING E AND YORK IS 5 MM 3 TIGHTEN THE SETSCR...

Page 43: ...AND THE TOP OF YORK SHOULD BE 2 5 MM 1 REMOVE THE BASE 2 LOOSEN THE SETSCRWS ADJUST THE YORK SO THAT THE CLEARANCE BETWEEN THE SNAP RING E AND YORK IS 2 5MM 3 TIGHTEN THE SETSCREW 4 ATTACH THE BELTCO...

Page 44: ...E BOBBIN DETAINING SOLENOID AND THE TOP OF YORK SHOULD BE 3 MM 1 REMOVE THE BASE 2 LOOSEN THE SETSCRWS ADJUST THE YORK SO THAT THE CLEARANCE BETWEEN THE SNAP RING E AND YORK IS 3MM 3 TIGHTEN THE SETSC...

Page 45: ...E THE BELT COVER 3 SHIFT THE BOBBIN WINDER STOPPER TO THE RIGHT 4 SLIDE THE DROP FEED LEVER TO THE LEFT TO RAISE THE FEED DOG 5 SLIDE THE SPEED ADJUSTING LEVER TO THE LEFT 6 REMOVE THE PRESSER FOOT AN...

Page 46: ...E CIRCUIT BOARDS F K OR A FAULTY CONDITION FAULTY CONDITION THE DISPLAY DOES NOT CHANGE OR IS REVERSED REMEDY ADJUST THE POSITION OF THE SWITCHES OR REPLACE A SWITCH OR CIRCUIT BOARD A AUTO THREAD CUT...

Page 47: ...N THE DISPLAY DOES NOT CHANGE OR SHOWS 413 OR LESS REMEDY CLEAN UP THE PHOTO SENSOR ADJUST THE POSITION OF THE PHOTO SENSOR REPLACE THE MOTOR OR CIRCUIT BOARD A PRESS THE CLEAR BUTTON TO PROCEED TO TH...

Page 48: ...BER CORRESPONDING TO THE SOLENOIDS 1 FOR AUTO THREAD CUTTER SET THE NEEDLE BAR AT THE LOWEST POSITION PRESS THE BUTTON 1 WHEN THE DRIVING ARM IS AT UP OFF DOWN ON CORRECT CONDITION 1 2 3 2 FOR BOBBIN...

Page 49: ...BIN WINDING BUTTON IS PRESSED THE BOBBIN WINDING MOTOR RUNS Step10 Spool Motor Sewing Motor 10 STEP 10 DRIVING AND BOBBIN WINDING MOTORS CORRECT CONDITION FAULTY CONDITION THE DISPLAY SHOWS error REME...

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