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  3.  전․후진  및  땀수  크기  조정법 
        HOW  TO  ADJUST  THE  FORWARD  OR  BACKWARD  STITCH  &  LENGTH

   

   

  전․후진  땀수가  맞지  않을  경우  나사①를  풀어 

          편심나사②를  움직여  조정하여  주십시오.     

   

  나사③를  풀어  땀수조절핀④를  움직여  땀수크기를 

          조정하여  주십시오.

   

☞ 

IF  FORWARD  OR  BACKWARD  STITCH  IS  NOT

          CORRECT,  LOOSE  THE  SCREW①  AND  ADJUST

          IT  WITH  AN  ECCENTRIC  SCREW②.

   

☞ 

LOOSEN  THE  SCREW③,  AND  MOVE  THE

          STITCH  ADJUSTING  PIN④,  TO  ADJUST  STITCH

          LENGTH.

  4.  이동발과  노루발의  조정법 
        ADJUSTMENT  OF  WALKING   FOOT  AND  PRESSER  FO OT

   

  교차동작의  조절

      (1)이동발과  노루발의  교차동작은  아암  전면에  있는  조절

            다이얼 

을  사용하여  조절할  수  있습니다.

      (2)다이얼

에  새겨져  있는  원하는  숫자를  아암  전면에  위치한 

            맞춤마크에  오도록  하고 

      (3)다이얼상의  숫자는  교차동작이  균일하게  세트되었을  때 

          이동발과  노루발이  침판(NEEDLE  PLATE)으로부터  돌출 

          가능한  양을  나타냅니다.     

      (4)교차동작이  균일하게  세트되었을  때  2.0~5.0㎜까지  재조정   

          할  수  있습니다.                                   

      (5)이동발과  노루발의  높이는  침판으로부터  2.0~5.0㎜사이에   

              원하는  높이로  다이얼

를  조절하여  고정하여  주십시오.

 

☞ 

ADJUSTMENT  OF  ALTERNATING  MOVEMENT

      (1)  THE  ALTERNATING  MOVEMENT  ON  THE  WALKING  FOOT  AND  PRESSER  FOOT  CAN  BE

            ADJUSTED  BY  USING  THE  ADJUSTING  DIAL

Ⓐ 

LOCATED  ON  THE  ARM  FRONT.

      (2)  FACE  THE  DESIRED  NUMBER  PRINTED  ON  THE  DIAL

Ⓐ 

TO  THE  MATCHING  MARK

            LOCATED  ON  THE  ARM  FRONT.

      (3)  THE  NUMBER  PRINTED  ON  THE  DIAL  REPRESENTS  THE  POSSIBLE  PROTRUSION  OF  THE

            WALKING  FOOT  AND  PRESSER  FOOT  FROM  THE  NEEDLE  PLATE  WHEN  THE  ALTERNATING

            MOVEMENTS  ON  THESE  ARE  EVENLY  SET.

      (4)  IF  THE  ALTERNATING  MOVEMENTS  ARE  EVENLY  SET,  THEY  CAN  BE  READJUSTED  UP  TO  2.0~5.0㎜.

      (5)  KEEP  THE  HEIGHT  FROM  THE  WALKING  FOOT  AND  THE  PRESSER  FOOT  TO  THE               

              NEEDLE    PLATE  2.0~5.0㎜  BY  ADJUSTING  THE  DIAL

Ⓑ 

THEN  FIX.

Содержание LS2-H540

Страница 1: ...PART BOOK LS2 H540 LS2 H5400 SINGLE NEEDLE HIGH SPEED LONG ARM UPPER LOWER FEED LOCKSTITCH SEWIMG MACHINE WITH THREAD TRIMMER 1 OPERATION MANUAL...

Страница 2: ...1...

Страница 3: ...e symbol at left means beware of injury This symbol indicates something that you must not do This symbol indicates something that you must do The picture inside the circle indicates the nature of the...

Страница 4: ...5 off A S 43 2 40 25 OFF A S A S 3...

Страница 5: ...cur install the belt covers to the machine head and motor Be sure to wear protective goggles and gloves when handling the lubricating oil and grease so that they do not get into your eyes or onto your...

Страница 6: ...edle when not using the machine and when leaving the machine unattended For machines with automatic presser lifter do not touch the solenoid section because if becomes hot during operation and may cau...

Страница 7: ...ician to carry out any maintenance and inspection of the electrical system Turn off the power switch and disconnect the power cord from the wall outlet at the following times otherwise the machine may...

Страница 8: ...your nearest UNICORN dealer The positions of the labels may vary slightly depending on the model of sewing machine or motor 1 2 Be sure to connect the ground If the ground connection is not secure you...

Страница 9: ...VER 4 OPERATION PANEL 13 PRESSER FOOT 22 THREAD TAKE UP LEVER COVER 5 PULLEY 14 WALKING FOOT 23 WALKING FOOT PRESSURE ADJUSTING THUMB SCREW 6 STITCH LENGTH ADJUSTING DIAL 15 NEEDLE BAR 24 PRESSER FOOT...

Страница 10: ...NEEDLE BAR STROKE 38 FEED DOG HEIGHT 1 PRESSER FOOT HEIGHT USING HAND 6 USING KNEE 16 NEEDLE TYPE DP 17 22 STITCH ADJUSTMENT DIAL LUBRICATION SYSTEM AUTOMATIC BED DIMENSIONS 517 179 THREAD TRIMMER SYS...

Страница 11: ...R CUSHIONS IF THE OIL LEVEL IS BELOW POSITION REPLENISH THE OIL UP TO THE POSITION AND 2 INSTALLING THE V BELT 15 20 1 THE ROTATIONAL DIRECTION OF THE MACHINE IS COUNTER CLOCKWISE AS SHOWN IN FIG TO A...

Страница 12: ...INSTALLING THE BOBBIN WINDER ATTACH THE BOBBIN WINDER ON THE TABLE WITH TWO SCREWS 4 INSTALLING SPOOL STAND ASSEMBLY ATTACH THE THREAD SPOOL STAND ASSEMBLY AT THE RIGHT REAR CORNER OF THETABLE WITH TH...

Страница 13: ...UNT OF OIL TO THE THREAD TAKE UP AND NEEDLE BAR CRANK BY TURNING ADJUSTING PIN IF THE MARKED DOT COINCIDES WITH THE DIRECTION OF THE NEEDLE BAR CRANK THE OILING WILL BE MAX BY TURNING THE PIN TO THE C...

Страница 14: ...perate if treadle is pressed by mistake which could result in injury 13 HOW TO USE THE MACHINE 1 HOW TO ATTACH THE NEEDLE LOOSEN THE SCREW AND HOLDING THE NEEDLE WITH THE LONG GROOVE SIDE TOWARD THE L...

Страница 15: ...IDE TO THE RIGHT OR LEFT TO WIND THE THREAD ONTO THE BOBBIN MAKE ADJUSTMENT BY TIGHTENING THE SCREW IN CASE OF ROTATION THE MACHINE WITHOUT SEWING KEEP THE PRESSER FOOT RAISED 3 HOW TO ROUTE THE UPPER...

Страница 16: ...BBIN WILL REMOVE WHEN THE LATCH IS RELEASED 6 HOW TO ADJUST THE LENGTH AND REVERSE SEWING STOP THE MACHINE AND PUSH THE REVERSE LEVER DOWNWARD AND THEN TURN THE DIAL TO THE DESIRED STITCH THE MATERIAL...

Страница 17: ...EN 8 HOW TO ADJUST THE LOWER THREAD ADJUST THE LOWER THREAD BY TURNING THE SCREW SO THAT WHEN HOLDING THE END OF THREAD AND THEN FALLING DOWN THE BOBBIN CASE IT CAN GO DOWN SLOWLY ITS OWN WEIGHT OF BO...

Страница 18: ...power cord from the wall outlet at the following times otherwise the machine may operate if the treadle is pressed by mistake which could result in injury When carrying out inspection adjustment and m...

Страница 19: ...OF ROTARY HOOK WITH THE CENTER OF THE NEEDLE WHEN MEETING THE LINE OF THE NEEDLE BAR WITH THE LOWEST POSITION OF NEEDLE BUSHING AS SHOWN IN FIG ADJUST THE CLEARANCE BETWEEN THE ROTARY HOOK AND THE NEE...

Страница 20: ...THE WALKING FOOT AND PRESSER FOOT CAN BE ADJUSTED BY USING THE ADJUSTING DIAL LOCATED ON THE ARM FRONT 2 FACE THE DESIRED NUMBER PRINTED ON THE DIAL TO THE MATCHING MARK LOCATED ON THE ARM FRONT 3 TH...

Страница 21: ...NG ROCK SHAFT CRANK 4 THE BUILT IN SPRING PULLS DOWN THE PRESSER FOOT UNTIL IT MAKES CONTACT WITH THE NEEDLE PLATE THEN TIGHTEN SET SCREW 5 THIS COMPLETES THE ADJUSTMENT I E THE PROTRUSION OF THE PRES...

Страница 22: ...LOW CAUTION IF THE FEED REGULATOR BRACKET IS POORLY POSITIONED THE RESULTANT ALTERNATING MOVEMENTS MAY BE TOO SHORT OR LONG CAUSING DEFECTIVE MACHINE OPERATION 1 LOCATE THE SPECIAL SCREW ON THE CAM NE...

Страница 23: ...ND SHIFT TO ADJUST THE POSITION OF THE PIVOT BRACKET UPWARD OR DOWNWARD UPPER POSITION FEED PITCH SMALL LOWER POSITION FEED PITCH LARGE 8 ADJUSTING FEED TIMING THE STANDARD POSITION OF THE ECCENTRIC F...

Страница 24: ...ck that they operate correctly before using the machine Turn off the power switch and disconnect the power cord from the wall outlet at the following times otherwise the machine may operate if the tre...

Страница 25: ...ONE REVOLUTION WITH THE THREAD SOLENOID ACTIVATED THE MOVABLE KNIFE LEFT WILL TRIM THREAD OF NEEDLE 1 Thread Trimmer Solenoid 2 Thread Trimmer Cam Lever 3 Thread Trimmer Cam 4 Thread Trimmer Lever 5 M...

Страница 26: ...indentation of the thread trimming clutch over the roller shaft when the space between the side faces of the thread trimming clutch and the roller shaft is 0 6 0 8 tighten the screw so that the inden...

Страница 27: ...immer solenoid manually so that the roller shaft in the indentation of the thread trimming clutch With the thread trimming solenoid depressed turn the machine pulley adjust the movable knife and the f...

Страница 28: ...d knife 2 1 2 Raise the presser foot using the presser bar lifter Remove the screw and the needle plate Turn the machine pulley until the needle bar reaches its highest position Press the thread trimm...

Страница 29: ...1 TO ADJUST IT LOOSEN THE NUT AND PROPERLY SHIFT THE FLEXIBLE WIRE IF THE TENSION DISCS ARE TOO NARROWLY SET THE UPPER THREAD MAY BE LIABLE TO BE BROKEN RESULTING IN DETACHED NEEDLE THREAD ALSO IF TH...

Страница 30: ...WEEN THE TOP OF NEEDLE PLATE AND NEEDLE SHOULD BE 10 12 5 IF YOU NEED TO ADJUST IT TURN OFF THE POWER SWITCH AND ADJUST IT ADJUSTING OF THE NEEDLE UP POSITION 2 LOOSEN THE SCREW JUST ONE TURN MOVING T...

Страница 31: ...30 13 13 18 18 18 14 13 13 15 16 16 12...

Страница 32: ...imimg 18 Thread wiper too high Thread wiper position Adjust thread wiper position with screw Thread breakage Improper threading Threading Rethread 14 Bent needle Blunt needle tip jammed eye Needle Rep...

Страница 33: ...32 13 13 1 13 14 18 18 18 15 16...

Страница 34: ...oor presser foot contact Presser bar pressure Tighten presser foot adjustment screw Presser bar height Adjust presser bar height Improper needle to rotary hook timing Needle bar rise Adjusting the rot...

Страница 35: ...34 15 16 15 16 puff 18 13 26 28 26...

Страница 36: ...tary hook stop gap too small Gap Adjusting the rotary hook timing 18 Improper thread cutting a Needle bobbin threads not cut b Needle thread not cut c Bobbin thread not cut Movable knife fixed knife d...

Страница 37: ...36 15 1 15...

Страница 38: ...eedle stop position Delay up needle stop position timing Thread cutter mechanism does not function Thread cutter solenoid dose not function Check with tester Replace thread cutter solenoid Thread cutt...

Страница 39: ...38...

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