background image

18

MECHANICAL ADJUSTMENT

BUTTONHOLE FEED BALANCE

TO CHECK:

WHEN SEWING BUTTONHOLE, THE STITCHES ON EACH SIDE OF BUTTONHOLE

SHOULD BE THE SAME STITCH DENSITY.

THE 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.

CONFIRM THE STITCHES BY SEWING BUTTONHOLES, AND REMOVE THE CAP.

2.

TURN THE ADJUSTING SCREW IN THE DIRECTION OF (C) IN CASE OF (A) (RIGHT

STITCHES ARE ROUGH), OR IN THE DIRECTION OF (D) IN CASE OF (B) (LEFT

STITCHES ARE ROUGH).

3.

MOUNT THE CAP.

A

B

F

ORWARD FEEDING

BACKWARD FEEDING

ADJUSTING SCREW

NOTCH

CAP

(D)

(C)

Summary of Contents for 2149SX

Page 1: ...MODELS 2149SX 2149 CJ24 2118S 2118 2139S CJ14 SERVICE MANUAL...

Page 2: ...HOOK NO 1 12 CLEARANCE BETWEEN NEEDLE AND HOOK NO 2 13 FEED DOG HEIGHT 14 NEEDLE BAR HEIGHT 15 NEEDLE TIMING TO SHUTTLE 16 DISTORTED PATTERN MODEL 2149SX 2149 CJ24 17 BUTTONHOLE FEED BALANCE 18 BARTA...

Page 3: ...BRIC 6 INAPPROPRIATE NEEDLE SEE MECHANICAL P 15 BAR HEIGHT ADJUSTMENT NEEDLE BAR HEIGHT 7 INAPPROPRIATE NEEDLE SEE MECHANICAL P 16 TO HOOK TIMING ADJUSTMENT NEEDLE TIMING TO SHUTTLE 8 INAPPROPRIATE NE...

Page 4: ...READ 2 TOO MUCH THREAD IS ADJUST THE POSITION OF AROUND 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 TOO LOW SEWING T...

Page 5: ...ENSION ADJUSTMENT MOTOR BELT TENSION 4 UPPERSHAFTGEARISLOOSE ELIMINATE THE LOOSENESS 5 NOT ENOUGH OIL OIL ALL MOVING PARTS 7 DEFORMATION 1 INAPPROPRIATE ZIGZAG SEE MECHANICAL P 10 PATTERN SYNCHRONIZAT...

Page 6: ...4 SERVICE ACCESS FACE COVER 1 REMOVE THE FACE COVER BY REMOVING THE SETSCREW A A CAP...

Page 7: ...SCREWS A B AND C AND THEN REMOVE THE FRONT COVER BY REMOVING THE SET SCREWS D E F G H I AND J NOTE UNHOOK THE TAB L FROM THE REAR COVER WHEN REMOVING THE FRONT COVER TO ATTACH 2 FOLLOW THE ABOVE PROC...

Page 8: ...E PAGE 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 TH...

Page 9: ...AT 3 MAKE SURE THE FOOT SHOULD BE LOWERED IF THE TENSION IS OUT OF THE STANDARD RANGE ADJUST IT AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE FRONT COVER UNIT SEE PAGE 9 2 TURN THE ADJUSTING NUT C IN T...

Page 10: ...SION 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 IN THE DIRECTION OF D WHEN...

Page 11: ...REW B AND TAKE THE LAMP SOCKET OFF 3 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 4...

Page 12: ...IDTH AND REMOVE THE FRONT COVER SEE PAGE 5 2 LOOSEN 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 SWING STARTS AT 2 3...

Page 13: ...SHOULD BE EQUAL IF NOT MAKE AN ADJUSTMENT AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE FACE COVER SEE PAGE 4 2 SET THE PATTERN SELECTOR DIAL AT MAXIMUM ZIGZAG WIDTH 3 LOOSEN THE SET SCREW 4 TURN THE...

Page 14: ...TO 0 10MM WHEN CLEARANCE IS TOO WIDE MOVE THE NEEDLE BAR SUPPORTER TO DIRECTION B WHEN CLEARANCE IS TOO NARROW MOVE THE NEEDLE BAR SUPPORTER TO DIRECTION C NOTE AFTER THIS ADJUSTMENT CHECK IF THE CLE...

Page 15: ...JUST THE CLEARANCE BETWEEN THE NEEDLE AND THE SHUTTLE RACE IN THE RANGE OF 0 05 0 10MM 5 SET THE PATTERN SELECT DIAL AT TURN THE BALANCE WHEEL TO CHECK IF THE CLEARANCE BETWEEN THE NEEDLE AND INNER ED...

Page 16: ...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 DOG COMES TO ITS HIGHEST POINT 3 LOOSEN THE SCREW...

Page 17: ...OVER 2 SET THE PATTERN SELECTOR DIAL AT MODEL 2149SX 2149 CJ24 PATTERN SELECT DIAL WIDTHSELECTORCONTROL AT 0 3 OPEN THE SHUTTLE COVER 4 REMOVE THE SHUTTLE RACE RING 5 TURN THE HANDWHEEL TOWARD YOU UNT...

Page 18: ...RACE 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...

Page 19: ...ENCE 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 CONTROL AT AND THE STITC...

Page 20: ...RD 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 S...

Page 21: ...THE PATTERN SELECTOR CONTROL AT WIDTH SELECTOR DIAL 5 AND THE STITCH LENGTH CONTROL AT 4 2 REMOVE THE FRONT COVER SEE PAGE 5 3 PLACE A PIECE OF PAPER UNDER THE FOOT AND TURN THE HANDWHEEL IF THE PAPE...

Page 22: ...OCEDURE 1 SET THE PATTERN SELECTOR CONTROL AT AND THE STITCH LENGTH CONTROL AT 4 2 REMOVE THE FRONT COVER SEE PAGE 5 3 PLACE A PIECE OF PAPER UNDER THE FOOT AND TURN THE HANDWHEEL IF THE PAPER IS FEED...

Page 23: ...OBTAINED THEN CHECK AND ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE FACE COVER SEE PAGE 5 2 TURN THE ADJUSTING SCREW IN THE DIRECTION OF A IF THE BUTTONHOLE STITCH LENGTH IS LONGER THAN THE S...

Page 24: ...AL MODEL 2149SX 2149 CJ24 PATTERN SELECT DIAL WIDTHSELECTORCONTROL AT 5 2 REMOVE THE FRONT COVER SEE PAGE 5 3 PUT THE CAM FOLLOWER TO THE ZIGZAG CAM STRAIGHT CAM AND ALSO PUT THE CAM FOLLOWER RELEASIN...

Page 25: ...R 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...

Page 26: ...24 WIRING 1 WIRING FOR MACHINE SOCKET UNIT M MOTOR L LAMP RIDGE RIDGE L M L M M MOTOR L LAMP FOR 110 120V FOR 220 240V...

Page 27: ...E OIL AT THE POINTS A B C D E INDICATED BY BLACK ARROWS GREASE WHITE GREASE IS RECOMMENDED FOR USE ON GEARS AND CAM SURFACES IT IS AN IMPROVED GREASE AND IT CAN BE USED ON THE METAL AND PLASTIC PARTS...

Reviews: