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CONTENTS

LOCATE AND IDENTIFY THE PARTS .................................................................

WIND THE BOBBIN ..............................................................................................

PREPARE YOUR TOP THREAD ..........................................................................

STITCH SELECTOR / STITCH LENGTH / STITCH WIDTH CONTROLS ............

WHAT TO DO WHEN ............................................................................................

5-7

SERVICE ACCESS

FACE COVER ......................................................................................

FRONT COVER ....................................................................................

REAR COVER ......................................................................................

MECHANICAL ADJUSTMENT

TOP TENSION .....................................................................................

BOBBIN TENSION ...............................................................................

PRESSER BAR HEIGHT AND ALIGNMENT .......................................

NEEDLE SWING ..................................................................................

NEEDLE DROP ....................................................................................

CLEARANCE BETWEEN NEEDLE AND HOOK (NO.1) ......................

CLEARANCE BETWEEN NEEDLE AND HOOK (NO.2) ......................

FEED DOG HEIGHT ................................................................................

NEEDLE BAR HEIGHT ........................................................................

NEEDLE TIMING TO SHUTTLE ..........................................................

DISTORTED PATTERN .......................................................................

BUTTONHOLE FEED BALANCE .........................................................

BARTACK FEED OF BUTTONHOLE ...................................................

BUTTONHOLE FUNCTION ..................................................................

DISENGAGEMENT OF CAM FOLLOWER ..........................................

MOTOR BELT TENSION .....................................................................

WIRING

..............................................................................................................

OILING

..............................................................................................................

SPECIAL TOOLS REQUIRED ..............................................................................

Содержание 2049

Страница 1: ...SERVICE MANUAL SEWING MACHINE MODELS 2049 2041 2018 Illustrations in this manual represent Model 2049...

Страница 2: ...ION 11 BOBBIN TENSION 12 PRESSER BAR HEIGHT AND ALIGNMENT 13 NEEDLE SWING 14 NEEDLE DROP 15 CLEARANCE BETWEEN NEEDLE AND HOOK NO 1 16 CLEARANCE BETWEEN NEEDLE AND HOOK NO 2 17 FEED DOG HEIGHT 18 NEEDL...

Страница 3: ...Face Cover Plate Thread Cutter Needle Plate Stitch Width Dial 2049 2041 Stitch Length Dial 2049 2041 Stitch Selector Reverse Stitch Control Extension Table Accessory storage box Shuttle Cover Needle C...

Страница 4: ...START THE MACHINE WHEN THE BOBBIN IS SLIGHTLY FILLED SNIP OFF THE END OF THE THREAD 5 WIND THE THREAD UNTIL THE BOBBIN STOPS REMOVE THE BOBBIN 6 PUSH THE HANDWHEEL TO THE LEFT 4 HOLDING THE LATCH OPEN...

Страница 5: ...EAD 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 SPR...

Страница 6: ...HE NEEDLE AND TURN THE STITCH SELECTOR DIAL TO SET THE ARROW MARK TO THE DESIRED PATTERN 2049 A to L 2041 A to H 2018 A to G No stretch patterns STITCH LENGTH 2049 2041 STITCH WIDTH 2049 2041 TURN THE...

Страница 7: ...FABRIC 6 INAPPROPRIATE NEEDLE SEE MECHANICAL P 20 BAR HEIGHT ADJUSTMENT NEEDLE BAR HEIGHT 7 INAPPROPRIATE NEEDLE SEE MECHANICAL P 21 TO HOOK TIMING ADJUSTMENT NEEDLE TIMING TO SHUTTLE 8 INAPPROPRIATE...

Страница 8: ...O MUCH THREAD IS ADJUST THE POSITION OF WOUND ON THE BOBBIN STOPPER 3 LINT IS STUCK INSIDE THE CLEAN THE HOOK RACE BOBBIN HOLDER 4 THREAD QUALITY IS CHANGE TO A HIGH QUALITY POOR SEWING THREAD 5 THREA...

Страница 9: ...6 TENSION ADJUSTMENT MOTOR BELT TENSION 3 NOT ENOUGH OIL APPLY OIL P 28 7 DEFORMATION 1 INAPPROPRIATE NEEDLE SEE MECHANICAL P 15 PATTERN SWING TIMING ADJUSTMENT NEEDLE SWING 2 INAPPROPRIATE SEE MECHAN...

Страница 10: ...8 SERVICE ACCESS FACE COVER TO REMOVE 1 REMOVE THE FACE COVER BY REMOVING THE CAP A AND SCREW B TO ATTACH 2 ATTACH THE FACE COVER WITH THE SCREW AND THEN REPLACE THE CAP A B...

Страница 11: ...E PAGE 8 2 LOOSEN THE SETSCREWS A B AND C AND THEN REMOVE THE FRONT COVER BY REMOVING THE SETSCREWS D E F G H I AND J NOTE UNHOOK THE TAB L FROM THE REAR COVER WHEN REMOVING THE FRONT COVER TO ATTACH...

Страница 12: ...E PAGES 8 9 2 LOOSEN THE SETSCREWS A B AND C AND REMOVE SETSCREWS D E AND F 3 PULL UP THE SPOOL PINS REMOVE THE MACHINE SOCKET REMOVE THE REAR COVER CLEARING THE PRESSER FOOT LIFTER FROM THE SLIT ON T...

Страница 13: ...G AT 3 MAKE SURE THE FOOT IS LOWERED IF THE TENSION IS OUT OF THE STANDARD RANGE ADJUST IT AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE FRONT PANEL COVER UNIT SEE PAGE 10 2 TURN THE ADJUSTING NUT C IN...

Страница 14: ...N SHOULD BE BETWEEN 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 IN THE DIRECTION OF D...

Страница 15: ...AND TAKE THE LAMP SOCKET OFF 2 RAISE THE PRESSER FOOT LEVER AND LOOSEN THE SCREW C ON THE PRESSER BAR HOLDER ADJUST THE DISTANCE BETWEEN THE PRESSER FOOT D AND THE NEEDLE PLATE E TO 6 0MM 0 24 3 TIGH...

Страница 16: ...XIMUM ZIGZAG WIDTH AND REMOVE THE FRONT COVER SEE PAGE 9 2 LOOSEN THE TWO SET SCREWS 3 ADJUST THE NEEDLE SWING BY TURNING THE HANDWHEEL WHILE HOLDING THE WORM SO AS NOT TO ROTATE IT UNTIL THE NEEDLE S...

Страница 17: ...OP POSITIONS SHOULD BE EQUAL IF NOT MAKE THE FOLLOWING ADJUSTMENTS ADJUSTMENT PROCEDURE 1 REMOVE THE FACE COVER SEE PAGE 8 2 SET THE PATTERN SELECTOR DIAL AT THE MAXIMUM ZIGZAG WIDTH 3 LOOSEN THE SET...

Страница 18: ...TOO WIDE MOVE THE NEEDLE BAR SUPPORTER TOWARD DIRECTION B WHEN THE CLEARANCE IS TOO NARROW MOVE THE NEEDLE BAR SUPPORTER TOWARD DIRECTION C NOTE AFTER THIS ADJUSTMENT CHECK IF THE CLEARANCE BETWEEN TH...

Страница 19: ...O DISENGAGE THE GEARS 4 LOWER THE NEEDLE AND LOOSEN THE TWO SHUTTLE RACE SET SCREWS B PUSH OR PULL THE SHUTTLE RACE UNIT AXIALLY TO ADJUST THE CLEARANCE BETWEEN THE NEEDLE AND THE SHUTTLE HOOK IN THE...

Страница 20: ...T 4 2 NEEDLE BAR AT ITS HIGHEST POSITION TO CHECK 1 RAISE THE PRESSER FOOT 2 PLACE THE FEED DOG HEIGHT GAUGE 68367 A ON THE NEEDLE PLATE 3 TURN THE HANDWHEEL TOWARD YOU BY HAND AND CHECK THE FEED DOG...

Страница 21: ...BAR REACHES ITS LOWEST POSITION 5 THE TIP OF THE TEST PIN 68368 A SHOULD BE IN BETWEEN THE TWO HORIZONTAL LINES ENGRAVED ON THE RADIAL TIMING GAUGE 68366 B ADJUSTMENT PROCEDURE 1 LOOSEN THE SCREW C OF...

Страница 22: ...T THE RADIAL TIMING GAUGE 68366 B ONTO THE SHUTTLE DRIVER 4 TURN THE HANDWHEEL TOWARD YOU BY HAND UNTIL THE NEEDLE BAR REACHES ITS LOWEST POSITION 5 THE TEST PIN 68368 A SHOULD BE IN BETWEEN THE TWO V...

Страница 23: ...NOT EVEN MAKE AN ADJUSTMENT AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE CAP 2 SET THE PATTERN SELECTOR DIAL AT WIDTH SELECTOR DIAL 0 AND THE STITCH LENGTH DIAL AT S S 3 TURN THE STRETCH STITCH ADJUST...

Страница 24: ...D FEEDING AGAINST 10 STITCHES IN THE LEFT SIDE ROW FORWARD FEEDING IS CONSIDERED ACCEPTABLE ADJUSTMENT PROCEDURE 1 CONFIRM THE STITCHES BY SEWING BUTTONHOLES AND REMOVE THE CAP 2 TURN THE ADJUSTING SC...

Страница 25: ...THE PATTERN SELECTOR DIAL AT AND THE STITCH LENGTH DIAL AT 4 2 REMOVE THE FRONT COVER SEE PAGE 9 3 PLACE A PIECE OF PAPER UNDER THE FOOT AND TURN THE HANDWHEEL IF THE PAPER IS FED FORWARD TURN THE ADJ...

Страница 26: ...OBTAINED THEN CHECK AND ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE FACE COVER SEE PAGE 8 2 TURN THE ADJUSTING SCREW IN THE DIRECTION OF A IF THE BUTTONHOLE LENGTH IS LONGER THAN THE STANDARD...

Страница 27: ...AT O 2 REMOVE THE FRONT COVER SEE PAGE 9 3 LOOSEN THE SETSCREW A AND MOVE THE ZZ CLAW PLATE WHILE PUSHING THE RELEASE ARM AGAINST THE PATTERN SELECTOR CAM TO SET THE TIP OF ZZ CLAW AT THE PEAK OF ZZ C...

Страница 28: ...TO OVERLOAD IF THE TENSION IS TOO LOOSE IT CAN CAUSE THE BELT TEETH ON THE MOTOR PULLEY TO JUMP 2 THE CORRECT MOTOR BELT TENSION IS WHEN THE DEFLECTION OF MOTOR BELT IS ABOUT 7MM 0 28 9MM 0 36 WHEN P...

Страница 29: ...27 FOOT CONTROL MACHINE SOCKET M MOTOR L LAMP RIDGE RIDGE L M LAMP SOCKET MOTOR WIRING 1 WIRING FOR MACHINE SOCKET UNIT 2 WIRING DIAGRAM...

Страница 30: ...IS BEING SERVICED CHECK TO SEE IF ANY PARTS NEED TO BE LUBRICATED OIL USE GOOD QUALITY SEWING MACHINE OIL AT THE POINTS A B C D E F INDICATED BY BLACK ARROWS GREASE WHITE GREASE IS RECOMMENDED FOR US...

Страница 31: ...29 SLOTTED SCREW DRIVER FEED DOG HEIGHT GAUGE 68367 PHILIPS SCREW DRIVER TEST PIN 68368 ALLEN WRENCH RADIAL TIMING GAUGE 68366 SPECIAL TOOLS REQUIRED...

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