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MS5027PR

MECHANICAL ADJUSTMENT

DISTRIBUTION OF NEEDLE SWING

ADJUSTMENT PROCEDURE:

1.

OPEN THE FACE COVER, AND LOOSEN THE HEXAGONAL SOCKET SCREW (D).

2.

MOVE THE NEEDLE BAR SUPPORTER (E) IN EITHER DIRECTION UNTIL THE DISTANCES A TO B,

AND A TO C, BECOME EQUAL.

3.

TIGHTEN HEXAGONAL SOCKET SCREW (D) SECURELY.

A

B

C

(D)

(E)

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Содержание MS5027PR

Страница 1: ...SERVICE MANUAL SEWING MACHINE MODEL MS5027PR...

Страница 2: ...STITCHING 15 16 DISTRIBUTION OF NEEDLE SWING 17 18 STRETCH STITCH BALANCE 19 20 FEED DOG HEIGHT 21 NEEDLE BAR HEIGHT 22 NEEDLE TO HOOK TIMING 23 NEEDLE CLEARANCE TO HOOK 24 BACKLASH LOWER SHAFT GEAR 2...

Страница 3: ...Face Cover Plate Thread Cutter Needle Plate Hook Cover Plate Hook Cover Plate Release Button Spool Pin Bobbin Winding Spindle Stitch Width Control Stitch Length Setting Display Stitch Length Control B...

Страница 4: ...APPROPRIATE NEEDLE SEE MECHANICAL P 22 BAR HEIGHT ADJUSTMENT NEEDLE BAR HEIGHT 8 INAPPROPRIATE NEEDLE SEE MECHANICAL P 23 TO HOOK TIMING ADJUSTMENT NEEDLE TO HOOK TIMING 9 INAPPROPRIATE NEEDLE SEE MEC...

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

Страница 6: ...NESS 7 DEFORMATION 1 INAPPROPRIATE FEED SEE MECHANICAL P 19 20 PATTERN BALANCE ADJUSTMENT STRETCH STITCH BALANCE 2 INAPPROPRIATE ZIGZAG SEE MECHANICAL P 14 SYNCHRONIZATION ADJUSTMENT NEEDLE SWING 3 UP...

Страница 7: ...H THE 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...

Страница 8: ...WN AROUND THE THREADER GUIDE AND UNDER THE HOOK THREADER GUIDE HOOK RELEASE THE THREADER KNOB SLOWLY WHILE HOLDING THE THREAD END WITH YOUR HAND A LOOP OF THE THREAD IS PULLED UP THROUGH THE NEEDLE EY...

Страница 9: ...2 REMOVE THE SETSCREWS B AND TAKE THE FACE COVER A OFF TO ATTACH 3 FOLLOW THE ABOVE PROCEDURE IN REVERSE TOP COVER TO REMOVE 1 OPEN THE FACE COVER A 2 REMOVE THE SETSCREWS B AND C 3 TAKE THE TOP COVE...

Страница 10: ...THE BASE PLATE B TO ATTACH 2 FOLLOW THE ABOVE PROCEDURE IN REVERSE BED COVER TO REMOVE 1 REMOVE THE TWO SETSCREWS D AND REMOVE THE BED COVER E WHEN YOU REPLACE THE BED COVER SET THE FEED DROP LEVER F...

Страница 11: ...LATCH OFF AND THEN REMOVE THE BELT COVER WHEN YOU REATTACH THE BELT COVER SET THE PROJECTION INTO THE GROOVE ON THE FRONT COVER FREE ARM COVER TO REMOVE 1 REMOVE THE SETSCREW A AND THE NEEDLE PLATE 2...

Страница 12: ...AGE 7 AND THE BELT COVER SEE PAGE 9 3 REMOVE THE SETSCREWS A AND B 4 LOOSEN SETSCREWS C AND D THEN REMOVE THE FRONT COVER E 5 PULL THE FRONT COVER OFF THE LATCH F OF THE REAR COVER 6 REMOVE THE LOWER...

Страница 13: ...CREWS D E AND F 4 LOWER THE PRESSER FOOT LEVER AND PULL AWAY THE REAR PANEL UNIT FROM THE MACHINE FRAME TWIST AND REMOVE THE ARM COVER PART FROM THE PRESSER FOOT LEVER TO ATTACH 5 WHEN YOU REATTACH TH...

Страница 14: ...AND 90g WHEN PULLING THE THREAD A UP IN THE DIRECTION OF B USE POLYESTER SEWING THREAD 50 WHITE IF IT IS NOT WITHIN THE ABOVE LIMITS ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE FRONT COVER UNI...

Страница 15: ...ADJUSTMENT PROCEDURE 1 OPEN THE FACE COVER 2 RAISE THE PRESSER FOOT LEVER B AND LOOSEN THE HEXAGONAL SOCKET SCREW D ON THE PRESSER BAR HOLDER E 3 ADJUST THE DISTANCE BETWEEN THE ZIGZAG FOOT A AND THE...

Страница 16: ...HE LATERAL NEEDLE SWING STARTS FROM A POSITION 2 MM 0 08 TO 3 MM 0 12 ABOVE THE NEEDLE PLATE IN RIGHT OUTFLOW 4 TIGHTEN THE TWO HEXAGONAL SOCKET SCREWS ON THE UPPER SHAFT WORM 5 ATTACH THE TOP COVER U...

Страница 17: ...STMENT STRAIGHT STITCHING TO CHECK 1 SET THE STITCH WIDTH CONTROL AT 0 AND THE STITCH SELECTOR AT 2 TURN THE HANDWHEEL BY HAND 3 THE NEEDLE SHOULD NOT SWING SIDE TO THE SIDE AT THIS SETTING SELECTED P...

Страница 18: ...IGHT STITCHING ADJUSTMENT PROCEDURE 1 REMOVE THE TOP COVER SEE PAGE 7 2 LOOSEN SETSCREW A 3 MOVE THE ZIGZAG WIDTH ROD B UNTIL THE NEEDLE CEASES ITS ZIGZAG MOVEMENT WHEN YOU TURN THE HANDWHEEL TOWARD Y...

Страница 19: ...PER ON THE NEEDLE PLATE AND LOWER THE PRESSER FOOT 5 LOWER THE NEEDLE TO MARK THE NEEDLE POINT A ON A PIECE OF PAPER BY TURNING THE HANDWHEEL 6 RAISE THE NEEDLE TO ITS HIGHEST POSITION 7 SLIDE THE STI...

Страница 20: ...EDLE SWING ADJUSTMENT PROCEDURE 1 OPEN THE FACE COVER AND LOOSEN THE HEXAGONAL SOCKET SCREW D 2 MOVE THE NEEDLE BAR SUPPORTER E IN EITHER DIRECTION UNTIL THE DISTANCES A TO B AND A TO C BECOME EQUAL 3...

Страница 21: ...H STITCH AND THE STRETCH STITCH ADJUSTER AT 2 PLACE A PIECE OF PAPER ON THE NEEDLE PLATE AND LOWER THE PRESSER FOOT 3 TURN THE HANDWHEEL TO MARK NEEDLE POINTS ON THE PAPER 4 THE NEEDLE SHOULD PENETRAT...

Страница 22: ...REMOVE THE CAP F 2 IF THE REVERSE STITCH LENGTH B IS SHORTER THAN THE FORWARD STITCH LENGTH A TURN THE ADJUSTING SETSCREW E IN THE DIRECTION OF C IF THE REVERSE STITCH LENGTH B IS LONGER THAN THE FORW...

Страница 23: ...OCEDURE 1 SET THE PRESSURE FOOT PRESSURE ADJUSTING LEVER AT 3 AND LOWER THE PRESSER FOOT 2 TURN ON THE POWER SWITCH 3 REMOVE THE BED COVER SEE PAGE 8 4 TURN THE HANDWHEEL TOWARD YOU TO SET THE FEED DO...

Страница 24: ...3 SELECT THE PATTERN LEFT NEEDLE POSITION 4 TURN THE HANDWHEEL TOWARD YOU UNTIL THE TIP OF HOOK MEETS THE RIGHT SIDE OF THE NEEDLE 5 LOOSEN THE SETSCREW A 6 ADJUST THE HEIGHT OF THE NEEDLE BAR BY MOV...

Страница 25: ...STITCH PATTERN LEFT NEEDLE POSITION 3 REMOVE THE BED COVER SEE PAGE 8 4 TURN THE HANDWHEEL TOWARD YOU AND SET THE NEEDLE BAR AT THE LOWEST POSITION 5 LOOSEN THE SETSCREW A AND B ON THE LOWER SHAFT GEA...

Страница 26: ...TEST PIN A AND THE SHARP END B OF THE HOOK SHOULD BE BETWEEN 0 05 0 002 AND 0 10 MM 0 004 ADJUSTMENT PROCEDURE 1 REMOVE THE BED COVER SEE PAGE 8 2 LOOSEN THE SETSCREWS C D AND E 3 TIGHTEN THE SETSCREW...

Страница 27: ...F THERE IS MORE THAN A 0 8 MM 0 03 BACKLASH BETWEEN THE GEARS ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE BED COVER SEE PAGE 8 AND LOOSEN HEXAGONAL SOCKET SCREW C 2 TURN THE LOWER SHAFT BUSHIN...

Страница 28: ...E STITCH WIDTH CONTROL 6 5 2 ATTACH THE AUTOMATIC BUTTONHOLE FOOT 3 SEW A BUTTONHOLE AND CHECK THE STITCH BALANCE BETWEEN THE RIGHT AND LEFT SIDES OF THE BUTTONHOLE 4 THE CORRECT BUTTONHOLE STITCH BAL...

Страница 29: ...SEE PAGE 8 2 LOOSEN HEXAGONAL SOCKET SCREW A 3 IF THE RIGHT SIDE OF THE BUTTONHOLE IS TOO SPARSE TURN THE RING B IN THE DIRECTION OF C IF THE LEFT SIDE OF THE BUTTONHOLE IS TOO SPARSE TURN THE RING B...

Страница 30: ...1 SET THE MACHINE AS FOLLOWS STITCH SELECTOR STITCH WIDTH CONTROL 6 5 2 TURN THE HANDWHEEL TOWARD YOU UNTIL THE NEEDLE COMES TO THE CENTER POSITION 3 THE NEEDLE SHOULD NOT MOVE WHEN YOU TURN THE STITC...

Страница 31: ...HANDWHEEL TOWARD YOU UNTIL THE NEEDLE COMES TO THE CENTER OF THE SLIT IN THE NEEDLE PLATE 3 LOOSEN THE SETSCREWS A AND B 4 TIGHTEN THE SETSCREW A SLIGHTLY 5 MOVE THE PLATE C IN EITHER DIRECTION AS SH...

Страница 32: ...ECTOR TO AND THE STITCH LENGTH CONTROL TO 0 2 PLACE A PIECE OF PAPER ON THE NEEDLE PLATE 3 CHECK IF THE PAPER MOVES FORWARD OR BACKWARD WHEN YOU TURN THE HANDWHEEL TOWARD YOU 4 THE MACHINE SHOULD NOT...

Страница 33: ...VER SEE PAGE 9 2 SET THE STITCH SELECTOR AT AND THE STITCH LENGTH CONTROL AT 0 3 PLACE A PIECE OF PAPER ON THE NEEDLE PLATE 4 IF THE PAPER MOVES FORWARD TURN THE ADJUSTING SCREW C IN DIRECTION A IF TH...

Страница 34: ...SELECT THE LEFT NEEDLE POSITION IN MAXIMUM ZIGZAG THEN SELECT THE LEFT NEEDLE POSITION IN STRAIGHT SEWING 3 IF THE RESULT LOOKS LIKE A SEE BELOW TURN THE ADJUSTING SCREW IN DIRECTION D IF THE RESULT L...

Страница 35: ...H FOOT R THEN LOWER THE PRESSER BAR 2 LOOSEN THE SETSCREW A 3 PULL DOWN THE BH LEVER UNTIL IT TOUCHES FOOT R AND THE BAR B HITS THE FRONT BASE PLATE ALSO MAKE SURE THE BH LEVER ADJUSTING PLATE C TOUCH...

Страница 36: ...AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE BELT COVER SEE PAGE 9 2 A IF THE BAR TACK IS SEWN TOO EARLY TURN THE HEXAGONAL SOCKET SCREW E IN DIRECTION C B IF THE BAR TACK IS SEWN TOO LATE TURN THE HE...

Страница 37: ...IN B AND INSERT THE THREADER COVER C ADJUSTMENT OF THREADER PLATE 3 IF THE HOOK D IS TOUCHING THE RIGHT OR LEFT SIDE OF NEEDLE EYE LOOSEN THE SETSCREW E AND SLIDE THE THREADER PLATE H SEE DRAWING 2 4...

Страница 38: ...A TOO LOOSE MOTOR BELT TENSION MAY CAUSE THE BELT TEETH TO JUMP OVER THE PULLEY 2 THE CORRECT MOTOR BELT TENSION IS ACHIEVED WHEN THE BELT IS PUSHED IN ABOUT 7 MM 0 28 9 MM 0 36 UNDER A PRESSURE OF A...

Страница 39: ...BUT YOU SHOULD STILL CHECK FOR POSSIBLE LUBRICATION NEEDS WHENEVER SERVICING THE MACHINES OIL USE GOOD QUALITY SEWING MACHINE OIL AT THE POINTS A B C D E F G INDICATED BY THE BLACK ARROWS GREASE USE W...

Страница 40: ...38 MS5027PR WIRING OF TERMINAL BLOCK L LAMP M MOTOR M L...

Страница 41: ...39 MS5027PR SPECIAL TOOLS REQUIRED SLOTTED SCREW DRIVER PHILLIPS SCREW DRIVER ALLEN SCREW DRIVER ALLEN WRENCH TEST PIN...

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