Janome DC5100 Page 36 Service Manual Download | Manualshive

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34

SEWING MACHINE

MODEL DC5100

TO REMOVE:

1 REMOVE THE FRONT COVER.

2 DISCONNECT THE SLIDE VOLUME CONNECTOR.

3 REMOVE THE PRINTED CIRCUIT BOARD "A".

4 REMOVE THE CS RINGS (2).

5 REMOVE THE SLIDE VOLUME.

TO ATTACH:

6 FOLLOW THE PROCEDURE ABOVE IN REVERSE.

REPLACING SLIDE VOLUME

SLIDE VOLUME

CONNECTOR

CS RINGS (2)

SLIDE VOLUME

REPLACING SLIDE VOLUME

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Summary of Contents for DC5100

Page 1: ...SERVICE MANUAL PARTS LIST DC5100...

Page 2: ...GEAR AND HOOK GEAR 22 FEED DOG HEIGHT 23 ZIGZAG SYNCHRONIZATION 24 TENSION RELEASE MECHANISM 25 STRETCH STITCH FEED BALANCE ADJUSTMENT 26 NEEDLE THREAD TENSION 27 BUTTONHOLE LEVER 28 PRESSER FOOT HEI...

Page 3: ...D CONTROL LEVER UP DOWN NEEDLE POSITION BUTTON AUTO LOCK BUTTON REVERSE STITCH BUTTON FEED BALANCING DIAL HOOK COVER PLATE RELEASE BUTTON HOOK COVER PLATE NEEDLE CLAMP SCREW NEEDLE PRESSER FOOT THUMBS...

Page 4: ...INDLE TO THE LEFT AND CUT THE THREAD AS SHOWN INSERTING THE BOBBIN PLACE THE BOBBIN IN THE BOBBIN HOLDER WITH THE THREAD RUNNING OFF IN THE COUNTERCLOCKWISE 1 END OF THREAD GUIDE THE THREAD INTO THE N...

Page 5: ...NNEL 2 DRAW THE THREAD AROUND THE CHECK SPRING HOLDER FROM RIGHT TO LEFT THEN PULL UP THE THREAD 3 FIRMLY DRAW THE THREAD FROM RIGHT TO LEFT AND PULL IT TOWARD YOU INTO THE EYE OF THE THREAD TAKE UP L...

Page 6: ...EWING LIGHT C UPPER SHAFT SENSOR D FEED MOTOR E ZIGZAG WIDTH MOTOR F DC MOTOR G POWER TRANSFORMER PRIMARY CIRCUIT H POWER TRANSFORMER SECONDARY CIRCUIT I PRINTED CIRCUIT BOARD F J MACHINE PLUG PRIMARY...

Page 7: ...G PROCEDURE MACHINE DOESN T WORK WELL IS NEEDLE SET OK IS POWER SUPPLY OK IS THREADING OK N G O K O K N G ELECTRIC QUICK CHECK END CORRECT IT START BASIC CHECK MECHANICAL ELECTRICAL CAN T JUDGE ELECTR...

Page 8: ...GE THE NEEDLE RETHREAD USE THE RECOMMENDED SEWING NEEDLE AND THREAD USE A 11 BLUE TIP NEEDLE SEE MECHANICAL ADJUSTMENT NEEDLE BAR HEIGHT SEE MECHANICAL ADJUSTMENT NEEDLE TO HOOK TIMING SEE MECHANICAL...

Page 9: ...RRECTLY THREADED BOBBIN 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 THREAD BOBBIN CORRECTLY ADJU...

Page 10: ...EN LOWER SHAFT GEAR AND HOOK GEAR ELIMINATE THE LOOSENESS SEE REPLACING DC MOTOR AND ADJUSTING MOTOR BELT TENSION DC MOTOR OIL ALL MOVING PARTS P 22 P 35 P 42 7 DEFORMATION PATTERN 1 INAPPROPRIATE FEE...

Page 11: ...EN RESOLVED TURN ON THE POWER SWITCH IF ANY OF FOLLOWING PROBLEMS OCCUR TAKE THE RECOM MENDED ACTIONS IN THE ORDER THEY ARE SHOWN THE MACHINE DOES NOT RESPOND WHEN THE POWER SWITCH IS TURNED ON 1 CHEC...

Page 12: ...OW qREVERSE STITCH BUTTON wAUTO LOCK BUTTON eUP DOWN NEEDLE POSITION BUTTON rMODE KEY tSTITCH WIDTH KEY ySTITCH WIDTH KEY uSTITCH LENGTH KEY iSTITCH LENGTH KEY PRESS THE REST OF KEYS IN ORDER FROM LEF...

Page 13: ...NEEDLE FROM HIGHEST TO THE LOWEST POSITION SET THE SPEED CONTROL TO THE LEFTMOST POSITION THEN SLIDE THE SPEED CONTROL LEVER FROM LEFT TO RIGHT THEN RETURN TO LEFT DEPRESS THE FOOT CONTROL FULLY THEN...

Page 14: ...ACE COVER REMOVE THE 2 SCREWS A AND REMOVE THE FACE COVER B TO ATTACH 2 FOLLOW THE PROCEDURE ABOVE IN REVERSE TOP COVER TO REMOVE 1 REMOVE THE 3 SCREWS C AND REMOVE THE TOP COVER D TO ATTACH 2 FOLLOW...

Page 15: ...INE MODEL DC5100 SERVICE ACCESS 2 BELT COVER TO REMOVE 1 REMOVE THE 2 SCREWS A THEN UNHOOK THE RIB C AND REMOVE THE BELT COVER B TO ATTACH 2 FOLLOW THE PROCEDURE ABOVE IN REVERSE SCREW A BELT COVER B...

Page 16: ...2 SCREWS A AND 4 SCREWS B 2 REMOVE THE BASE C TO ATTACH 3 REVERSE THIS PROCEDURE TO REMOVE 1 REMOVE THE 2 SCREWS D 2 REMOVE THE BED COVER E TO ATTACH 3 MOVE THE DROP LEVER TO THE LEFT AND ATTACH THE...

Page 17: ...HE TOP COVER BELT COVER AND BED COVER 2 LOOSEN THE SETSCREWS A D E AND REMOVE THE SETCREWS B C AND F 3 REMOVE THE FRONT COVER TO ATTACH 4 FOLLOW THE PROCEDURE ABOVE IN REVERSE SETSCREW A SETSCREW B SE...

Page 18: ...VE THE COVER DETACH THE PRESSER FOOT LIFTER SECTION FIRST WITH THE PRESSER FOOT LIFTER IN THE DOWN POSITION TO ATTACH 4 FOLLOW THE PROCEDURE ABOVE IN REVERSE SETSCREW A SETSCREW B SETSCREW C SETSCREW...

Page 19: ...TO REMOVE 1 REMOVE SETSCREW A AND THE NEEDLE PLATE 2 REMOVE THE BED COVER SEE PAGE 14 3 REMOVE SETSCREW B AND THE FREE ARM COVER TO ATTACH 4 FOLLOW THE PROCEDURE ABOVE IN REVERSE NEEDLE PLATE SETSCREW...

Page 20: ...2 IF THE NEEDLE DROP POSITION IS NOT 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...

Page 21: ...THE NEEDLE IN ASCENDING TRAVEL OF NEEDLE FROM ITS LEFT AND LOWEST POOSITION 1 REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER TURN ON THE POWER SWITCH 3 SELECT THE PATTERN SIMPLE ZIGZAG MAXIMUM ZIGZAG WIDT...

Page 22: ...STITCH PATTERN NO 2 LEFT NEEDLE POSITION 3 REMOVE THE BED COVER 4 TURN THE HANDWHEEL TOWARD YOU AND SET THE NEEDLE BAR AT THE LOWEST POSITION 5 LOOSEN THE SETSCREWS ON THE LOWER SHAFT TIMING GEAR 6 R...

Page 23: ...S D AND E THEN LIGHTLY LOOSEN THE SETSCREW F 2 TURNING THE HANDWHEEL TOWARD YOU SLOWLY BY HAND MOVE THE HOOK SETPLATE UP OR DOWN TO ADJUST THE CLEARANCE BETWEEN THE TEST PIN C AND THE POINT OF THE HOO...

Page 24: ...HOOK POINT IS WITHIN THE FEED DOG WIDTH IF THE PLAY EXCEEDS 0 8 MM ADJUST AS FOLLOWS ADJUSTMENT 1 REMOVE THE BED COVER SEE PAGE 14 2 LOOSEN THE SETSCREW 3 TURN THE LOWER SHAFT BUSHING ECCENTRIC BUSHIN...

Page 25: ...AISED 1 LOWER THE PRESSER FOOT 2 TURN ON THE POWER SWITCH 3 REMOVE THE BED COVER 4 TURN THE HANDWHEEL TOWARD YOU TO SET THE FEED DOG AT THE HIGHEST POSITION 5 LOOSEN THE SETSCREW A AND NUT B 6 ADJUST...

Page 26: ...T SHIELD PLATE IN THE DIRECTION OF A IF THE SWING POINT IS HIGHER THAN 7 5 MM B IF THE SWING POINT IS LOWER THAN 6 3 MM 4 POSITION THE UPPER SHAFT SHIELD PLATE AS CLOSE AS POSSIBLE TO THE LEFT IT SHOU...

Page 27: ...A MOVE THE TENSION RELEASE PLATE 1 UNTIL IT TOUCHES TENSION DISK SUPPORTER IN THIS CONDITION TIGHTEN THE SET SCREW A 4 RAISE THE PRESSER FOOT LIFTER AND CHECK THE TENSION RELEASE MECHANISM 5 SET THE...

Page 28: ...T AS FOLLOWS ADJUSTMENT PROCEDURE 1 TURN THE POWER SWITCH ON AND SELECT PATTERN NO 3 2 SET THE SLIT OF THE FEED BALANCING DIAL C AT THE STANDARD SETTING MARK ON THE FRONT COVER 3 PUT THE PAPER BETWEEN...

Page 29: ...A 50 WHITE POLYESTER THREAD BEING PULLED AT APPROXIMATELY 110 MM SEC IF THE TENSION IS OUT OF THE STANDARD RANGE ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE FRONT COVER UNIT SEE PAGE 15 2 PUL...

Page 30: ...ND LOOSEN SETSCREW A 3 LOWER THE BUTTONHOLE LEVER POSITION THE BUTTONHOLE LEVER GUIDE SO THE SCREEN DISPLAYS L TIGHTEN SETSCREW A TO ADJUST THE BUTTONHOLE SENSOR POSITION 4 INSTALL THE BUTTONHOLE FOOT...

Page 31: ...EN THE PRESSER FOOT IS RAISED THE CLEARANCE BETWEEN THE PRESSER FOOT AND THE NEEDLE PLATE SHOULD BE 5 7 TO 6 3 MM WHEN THE PRESSER FOOT IS LOWERED THE EDGE OF THE FOOT AND THE FEED DOG WINDOW ON THE N...

Page 32: ...SEE PAGE 15 2 REMOVE SCREWS A AND B AND THE NEEDLE THREAD TENSION UNIT C TO ATTACH 1 REVERSE THIS PROCEDURE NOTE AFTER CHANGING THE NEEDLE THREAD TENSION UNIT CHECK THE MECHANICAL ADJUSTMENT TENSION R...

Page 33: ...E NEEDLE THREADER 1 IF THE HOOK OF THE THREADER PLATE TOUCHES LEFT OR RIGHT SIDE OF THE NEEDLE EYE LOOSEN THE SCREW AND ADJUST THE HOOK POSITION FIG B 2 IF THE HOOK OF THE THREADER PLATE TOUCHES THE T...

Page 34: ...NECTING THE MACHINE SOCKET AND POWER TRANSFORMER CONNECTORS PULL THEM WHILE PUSHING THEM TOWARD THE A BOARD TO UNLOCK THEM TO INSTALL 4 TO INSTALL FOLLOW THE ABOVE PROCEDURE IN REVERSE NOTE WHEN INSTA...

Page 35: ...NTED CIRCUIT BOARD F SETSCREWS 2 TO REMOVE 1 REMOVE THE FRONT COVER UNIT 2 UNPLUG THE CONNECTOR OF THE PRINTED CIRCUIT BOARD F 3 REMOVE THE 2 SETSCREWS AND PRINTED CIRCUIT BOARD F TO ATTACH 4 FOLLOW T...

Page 36: ...DISCONNECT THE SLIDE VOLUME CONNECTOR 3 REMOVE THE PRINTED CIRCUIT BOARD A 4 REMOVE THE CS RINGS 2 5 REMOVE THE SLIDE VOLUME TO ATTACH 6 FOLLOW THE PROCEDURE ABOVE IN REVERSE REPLACING SLIDE VOLUME SL...

Page 37: ...NECTOR REMOVE THE TWO SETSCREWS THEN REMOVE THE DC MOTOR AND BELT TO ATTACH 3 SET THE MOTOR IN MACHINE AND REPLACE SCREW A AND B 4 INSERT THE MOTOR CONNECTOR INTO THE CONNECTOR POST E ON THE A BOARD 5...

Page 38: ...A SCREWDRIVER NOTE 1 REPLACE 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...

Page 39: ...E MACHINE SOCKET TO INSTALL 3 TO INSTALL THE MACHINE SOCKET FOLLOW THE ABOVE PROCEDURE IN REVERSE NOTE PULL OUT THE CORD IN FRONT OF THE ARM TO PREVENT IT FROM CONTACTING WITH THE LOWER SHAFT OR OTHER...

Page 40: ...L THE TRANSFORMER FOLLOW THE ABOVE PROCEDURE IN REVERSE NOTE PLACE THE REAR END OF THE TRANSFORMER ON THE TRANSFORMER SUPPORT SLIDE THE TWO TRANSFORMER WIRE TUBES TO THE SIDE OF TRANSFORMER AND SECURE...

Page 41: ...GZAG WIDTH MOTOR FOLLOW THE ABOVE PROCEDURE IN REVERSE NOTE 1 THE SETSCREW OF ZIGZAG ROD SHOULD BE TIGHTENED TO 5 7 KGF OF TORQUE 2 CHECK TO ENSURE THAT THE UPPER SHAFT SENSOR MOUNTED ON THE ZIGZAG WI...

Page 42: ...VE THE TWO SETSCREWS AND REMOVE THE FEED MOTOR CUT OFF THE CORD BINDER TO INSTALL TO INSTALL THE FEED MOTOR FOLLOW THE ABOVE PROCEDURE IN REVERSE NOTE ADJUST THE STRETCH STITCH PATTERNS SEE PAGE 26 RE...

Page 43: ...ATE TO 0 7 TO 1 3 MM 3 TIGHTEN THE SETSCREW 4 INSTALL THE FRONT COVER TO CONFIRM TURN THE POWER SWITCH ON THE LED DISPLAYS WHEN THE BOBBIN WINDER SPINDLE IS SET THE BOBBIN WINDING POSITION AND DISPLAY...

Page 44: ...UT 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 US...

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