Janome 4052lx Page 29 Service Manual Download | Manualshive

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27

WIRING OF TERMINAL BLOCK

RIDGE

RIDGE

FROM MOTOR

FROM LAMP SOCKET

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Summary of Contents for 4052lx

Page 1: ...SERVICE MANUAL 4052LX...

Page 2: ...LE DROP 2 13 STRETCH STITCH BALANCE 14 FEED DOG HEIGHT 15 NEEDLE BAR HEIGHT 16 NEEDLE TO SHUTTLE TIMING 17 NEEDLE CLEARANCE TO SHUTTLE 18 BACKLASH BETWEEN LOWER SHAFT GEAR AND SHUTTLE HOOK GEAR 19 NEE...

Page 3: ...sure adjusting dial Face cover Thread cutter Needle threader Needle plate Hook cover Extension table Accessory box Hook cover plate release button Reverse stitch button Drop feed lever Carrying handle...

Page 4: ...EDLE SEE MECHANICAL P 16 BAR HEIGHT ADJUSTMENT NEEDLE BAR HEIGHT 8 INAPPROPRIATE NEEDLE SEE MECHANICAL P 17 TO SHUTTLE TIMING ADJUSTMENT NEEDLE TO SHUTTLE TIMING 9 INAPPROPRIATE NEEDLE SEE MECHANICAL...

Page 5: ...BBIN CORRECTLY BOBBIN BOBBIN 2 TOO MUCH THREAD IS ADJUST THE POSITION OF ON THE BOBBIN STOPPER 3 LINT IS STUCK INSIDE THE CLEAN THE SHUTTLE BOBBIN HOLDER 4 THREAD QUALITY IS CHANGE TO A HIGHER QUALITY...

Page 6: ...HE LOOSENESS 7 DEFORMATION 1 INAPPROPRIATE FEED SEE MECHANICAL P 14 PATTERN BALANCE ADJUSTMENT STRETCH STITCH BALANCE 2 INAPPROPRIATE ZIGZAG SEE MECHANICAL P 11 SYNCHRONIZATION ADJUSTMENT NEEDLE SWING...

Page 7: ...THREAD COMING FROM THE BACK OF THE SPOOL 1 DRAW THE THREAD THROUGH THE THREAD GUIDE 2 HOLDING THE THREAD TAUT WITH YOUR RIGHT HAND DRAW THE THREAD DOWN INTO THE TENSION AREA AND THEN AROUND THE CHECK...

Page 8: ...A TO ATTACH TO REPLACE FOLLOW THE ABOVE PROCEDURE IN REVERSE FREE ARM LEGS COVER TO REMOVE 1 REMOVE THE SETSCREW C 2 REMOVE THE FREE ARM LEGS COVER D TO ATTACH TO REPLACE FOLLOW THE ABOVE PROCEDURE IN...

Page 9: ...2 REMOVE THE PATTERN SELECTOR DIAL K AND SETSCREWS A G 3 LOOSEN SETSCREW H 4 DISENGAGE THE FRONT COVER HOOK I J AND THEN REMOVE THE FRONT COVER TO ATTACH TO REPLACE FOLLOW THIS PROCEDURE IN REVERSE PA...

Page 10: ...FACE COVER AND FREE ARM LEGS COVER AND THE FRONT COVER SEE PAGE 6 7 2 REMOVE THE SETSCREWS A B C D AND THE REAR COVER TO ATTACH TO REPLACE FOLLOW THE ABOVE PROCEDURE IN REVERSE REAR PANEL SERVICE ACCE...

Page 11: ...TENSION IS OUT OF THE STANDARD RANGE ADJUST IT AS FOLLOWS PULLING SPEED FOR THE NEEDLE THREAD IS APPROXIMATELY 59 MM SECOND 2 REMOVE THE FACE COVER AND TURN THE ADJUSTING SCREW WITH THE SCREWDRIVER IF...

Page 12: ...THE DISTANCE BETWEEN THE PRESSER FOOT AND THE NEEDLE PLATE TO 6 0 MM 0 24 2 TIGHTEN THE SETSCREW D SECURELY 3 ATTACH THE FACE COVER PRESSER FOOT LEVER B SETSCREW 4 X 8 D SHOULD BE PARALLEL FEED DOG S...

Page 13: ...ING THE UPPER SHAFT WORM IN PLACE CAREFULLY TURN THE HANDWHEEL AND ADJUST SO THAT LATERAL NEEDLE SWING STARTS FROM A POSITION 2 MM 0 08 TO 3 MM 0 12 ABOVE THE NEEDLE PLATE IN RIGHT OUTFLOW MOTION 5 TI...

Page 14: ...TER OF THE NEEDLE PLATE HOLE REMOVE THE FACE COVER AND LOOSEN THE SETSCREW C AND ADJUST THE NEEDLE DROP POSITION BY TURNING THE ECCENTRIC PIN NOTE WHEN ADJUSTING THE NEEDLE DROP POSITION MAKE SURE THE...

Page 15: ...ND FRONT COVER SEE PAGE 6 AND 7 2 SET THE PATTERN SELECTOR DIAL AT AND THE ZIGZAG WIDTH DIAL AT 5 AND CHECK BOTH NEEDLE DROP POSITIONS WITH THE MAXIMUM ZIGZAG WIDTH 3 IF THE BOTH NEEDLE DROP POSITIONS...

Page 16: ...E HANDWHEEL TOWARD YOU TO CHECK THE FORWARD AND BACKWARD NEEDLE DROP POSITIONS 5 REMOVE THE CAP AS SHOWN BELOW IF THE REVERSE STITCH LENGTH B IS SHORTER THAN THE FORWARD STITCH LENGTH A TURN THE ADJUS...

Page 17: ...l at 3 and lower the foot 3 Loosen the setscrew A 4 Turn the handwheel to bring the feed dog to its highest position 5 If the feed dog height is lower than 0 8 mm Turn the adjusting screw B in the dir...

Page 18: ...5 2 Remove the needle plate A and bobbin holder B 3 Turn the handwheel until the tip of the hook meets with the right side of the needle 4 Remove the face cover and loosen the setscrew C 5 Adjust the...

Page 19: ...ng the needle to its lowest position 5 Loosen the 2 setscrews C in the lower shaft gear 6 Turn the handwheel to raise the needle bar 3 4 mm from the lowest position 7 Rotate the lower shaft gear until...

Page 20: ...THE TIP OF THE SHUTTLE HOOK LOOSEN THE SETSCREW C AND MOVE THE NEEDLE BAR SUPPORTER BACK OR FORTH AS SHOWN BY THE ARROW TO ADJUST THE CLEARANCE WITHIN A RANGE OF 0 10 TO 0 05 MM 6 TIGHTEN THE SETSCRE...

Page 21: ...G IN DIRECTION D WHEN THE PLAY AT THE TIP OF SHUTTLE HOOK IS TOO SMALL 6 TIGHTEN THE SETSCREW E 7 ATTACH THE FRONT COVER 8 INSERT THE BOBBIN HOLDER B AND ATTACH THE NEEDLE PLATE A MECHANICAL ADJUSTMEN...

Page 22: ...IGZAG ROD C TO THE BOTTOM OF THE SLOT ON ZIGZAG REGULATOR ARM B 3 TIGHTEN THE SETSCREW A SWING THE ZIGZAG WIDTH REGULATOR ARM B AS SHOWN BY THE ARROW TO CHECK IF THE NEEDLE BAR DOES NOT MOVE SIDEWISE...

Page 23: ...ECE OF PAPER ON THE NEEDLE PLATE TURN THE HANDWHEEL TOWARD YOU SLOWLY BY HAND AND CHECK THE MOVEMENT OF A PAPER 3 IF THE PAPER MOVES FORWARD REMOVE THE CAP AND TURN THE ADJUSTING SCREW IN DIRECTION A...

Page 24: ...SIDE FORWARD AGAINST 9 12 STITCHES OF LEFT SIDE BACKWARD ADJUSTMENT PROCEDURE 1 SEW A BUTTONHOLE AND CHECK THE STITCHES 2 PULL OUT THE PATTERN SELECTOR DIAL 3 IF THE RIGHT SIDE OF THE BUTTONHOLE IS TO...

Page 25: ...2 REMOVE THE PATTERN SELECTOR DIAL 3 PLACE A PIECE OF FABRIC ON THE NEEDLE PLATE LOWER THE PRESSER FOOT AND SEW IF THE FABRIC MOVES FOREWARD TURN THE ADJUSTING SCREW IN DIRECTION OF A IF THE FABRIC MO...

Page 26: ...EW UNTIL THE BH LEVER KNOB SLIGHTLY TOUCHES THE END OF THE STOPPER 3 IF THE BUTTONHOLE SEWING STEP 2 SWITCHES OVER TO STEP 3 BARTACK SEWING TOO SOON TURN THE ADJUSTING SCREW IN DIRECTION OF E IF THE B...

Page 27: ...C ADJUSTMENT OF THREADER PLATE 3 IF THE FOOK D IS TOUCHING THE RIGHT OR LEFT SIDE OF NEEDLE EYE LOOSEN THE SETSCREW E AND SLIDE THE THREADER PLATE H SEE DRAWING2 4 IF THE HOOK D IS TOUCHING THE TOP O...

Page 28: ...TEETH TO JUMP OVER THE PULLEY 2 THE CORRECT MOTOR BELT TENSION IS ACHIEVED WHEN THE BELT PUSHES IN ABOUT 7 MM 0 28 9 MM 0 36 UNDER A PRESSURE OF ABOUT 300 GRAMS ADJUSTMENT PROCEDURE 1 REMOVE THE FRON...

Page 29: ...27 WIRING OF TERMINAL BLOCK RIDGE RIDGE FROM MOTOR FROM LAMP SOCKET...

Page 30: ...YOU SHOULD STILL CHECK FOR POSSIBLE LUBRICATION NEEDS WHENEVER SEEVICING MACHINES OIL USE GOOD QUALITY SEWING MACHINE OIL AT THE POINTS A B C D E F G H INDICATED BY THE BLACK ARROWS GREASE USE WHITE G...

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