Mitsubishi LU2-410 Скачать руководство пользователя страница 1 | Manualshive

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Содержание LU2-410

Страница 1: ...MITSUBISHI INDUSTRIAL SEWING MACHINE TECHNICAL INFORMATION Model LU2 410 430 Single Double Needle Lockstitch Compound feed Automatic Thread Variable Speed ET 0I9A MITSUBISI ELECTRIC MITSUBISHI...

Страница 2: ...MENT OF STITCH LENGTH AND REVERSE SEWING TOUCH BACK 10 6 SETTING OF BOBBIN 10 7 WINDING OF BOBBIN THREADS 1 8 TENSION ADJUSTMENT OF BOBBIN THREADS 1 9 BALANCE OF THREAD TENSION 1 10 TENSION OF NEEDLE...

Страница 3: ...NCE 22 8 INSTALLATION OF SOLENOID CRANK 23 9 REMOVAL OF HOOK BRACKET 23 10 FEED DOG THROAT PLATE HOOK BOBBIN CASE BOBBIN AND BED SLIDE 23 11 ADJUSTMENT OF NEEDLE UP STOP POSITION 24 ADJUSTMENT AND APP...

Страница 4: ...ch solenoid 20 Feed shaft crank right 21 Timing belt pulley lower 22 Lubricator 23 Feed shaft crank intermedi ate 24 Feed lifting rod 25 Filter 26 Feed rock cam 27 Hook shaft 28 Feed rock shaft 29 Thr...

Страница 5: ...prevention spring Fully rotating automatically lubricated horizontal type hook equipped with idle running prevention spring Alternate up down stroke 2 to 6 mm Bobbin Aluminum bobbin for thread trimmin...

Страница 6: ...zer cord plug 2 Touch switch 7 Motor 12 Pedal 3 Reverse stitch control 8 Drive pulley 13 Operation box solenoid 9 Control box 14 Power pushbutton switch 4 Balance wheel 10 Machine control cord 15 Phas...

Страница 7: ...protect connected wires with insulation tape w li 2 Use 6 V 15 20 Wlamp nilfc 3 When lamp is not used properly JK j s insulate 2 lamp leads 1 3 Power Cable Connection u Cable connection for power sup...

Страница 8: ...sition of all sewing machines are factory adjusted However if the timing marks are out of alignment more than 3 mm adjust the setting position of light shielding disc in the following procedure Prepar...

Страница 9: ...reservoir with oil to the H level Use white spindle oil speci fied by Mitsubishi Oil level 5 2 OILING 2 When a new sewing machine is used for the first time or a sewing machine shelved for a long tim...

Страница 10: ...N TO ROTATING HOOK I ncrease Decrease Adjust screw Dustproof filter 1 When the power is turned on or off keep foot away from the pedal 2 Note that the machine may not be braked when the power is turne...

Страница 11: ...ir prime grooves facing each other X X 2 WINDING OF BOBBIN THREAD Adjustment Tension of wound thread Slack winding is recommended for polyester and nylon threads Conically wound thread Move the thread...

Страница 12: ...ter or filament thread is used pass the thread through thread guide B and then A 2 With the take up lever located at the uppermost position pass each needle thread in the order shown in the figure bel...

Страница 13: ...thread through the slit 1 and pull The thread passes under the tension spring and comes out of the slit 2 When the bobbin thread is pulled the bobbin should rotate in the direction indicated by arrow...

Страница 14: ...TENSION AO BX CX Balanced tension Tight needle or loose bobbin thread tension Loose needle or tight bobbin thread tension 10 TENSION OF NEEDLE THREAD Needle thread tension should be adjusted with resp...

Страница 15: ...point 1 With the needle at lowermost position mesh the right hand driving gear small with the large gear so that 8 screw is located at front and mesh the left hand driving gear small so that 8 screw...

Страница 16: ...from the throat plate Light fabric Approx 0 8 mm above throat plate Normal fabric Approx 1 0 mm above throat plate Heavy fabric Approx 1 2 mm above throat plate Adjusting Procedure 1 Lean the machine...

Страница 17: ...s not aligned with the black line remove and reinstall the timing belt to obtain proper alignment Timing belt Black line Timing mark arrow Timing belt sprocket 15 RELATION BETWEEN ROTATING HOOK AND OP...

Страница 18: ...0 Then finger tighten the feed shaft crank xrews A and B 6 Check to see if the right feed shaft crank is connected with the link at right angles as shown in the figure 7 If the connection is not at ri...

Страница 19: ...clutch mechanism Then turn the balance wheel again with further greater force 3 Release the pushbutton which has been kept pressed 4 The clutch mechanism is now set as shown in the figure 18 ADJUSTME...

Страница 20: ...t when the take up lever reaches its lowest position Lower the presser bar lifter Loosen the screw A in the upper feed lifting rock shaft crank Moving the crank B to the left increases the vertical st...

Страница 21: ...ortion protrudes 0 to 0 5 mm from the fixed knife blade as illustrated in the figure Then tighten the bolts A and B Thread trimmer rocking crank Bolt A 0 0 0 Bolt B Thread trimmer rocking crank Movabl...

Страница 22: ...reach their lowest position 2 With the needles at this position push the cam follower crank to locate the cam roller onto the groove of thread trimmer cam 3 By turning the balance wheel by hand adjust...

Страница 23: ...e cam clamp screws A 4 Adjust the opening degree of tension disc with the tension release lever roller B which is mounted on the convexed portion of thread release cam as shown in the figure For this...

Страница 24: ...sults in trimming failure adjust it so that the thread can be trimmed with minimum pressure 3 Move the movable knife to check if the thread is sharply trimmed C0P Fixed knife bracket Bo t Vertical pos...

Страница 25: ...nks C and D con tact with the stopper pins E and F and tighten the connecting link clamp bolt J 8 Turn the balance wheel by hand until the needles reach the lowest position 9 Loosen the nuts G and H 1...

Страница 26: ...the figure 6 Remove the bobbin thread retaining spring 7 Shift the lever in the arrow direction to remove the hook bracket right Reassemble the hook brakcet in reverse procedure Knife bracket Movable...

Страница 27: ...When deviation A is more than 2 mm thread trimming knife fails to operate resulting in trimming failure of both needle and bobbin threads at left and right When deviation B is more than 5 mm clearanc...

Страница 28: ...itching 3 ADJUSTMENT OF PEDAL OPERATION PRESSURE 3 1 Adjustment of Pedal Tow down Force Pedal tow down pressure can be adjusted by changing the hooking position of the tension spring on the lever Note...

Страница 29: ...tack stitching speed When tack stitching is made by use of Type LD C2 04 or 06 solenoid box option tack stitching speed can be adjusted by the internal volume M 5 OPTIONAL FUNCTIONS By the connections...

Страница 30: ...box D 2 2 Presser foot UP Machine Presser foot UP Option 1 Run high speed 9 Run low speed 8 Variable voltage 7 Correction sewing 6 Needle UP 5 Variable speed command 4 Thread trimming 3 Run medium spe...

Страница 31: ...t needle thread ten sion regulator Sec 4 in P 20 After thread tri mming needle thread slips out of needle 1 Needle thread tension disc fails to open 2 Thread catches in thread retainer 3 Thread is not...

Страница 32: ...Thread is wound 1 turn around needle 1 Bobbin thread tension is too high 2 Bobbin thread is entangled due to idle running of bobbin 3 Thread is not smoothly passed through feed needle eye and throat p...

Страница 33: ...HI ELECTRIC CORPORATION HEAD OFFICE MITSUBISHI OEHKI BLOC MARUNOUCHI TOKYO 100 TELEX J24S32 CABLE MELCO TOKYO 8403 REG Printed in Japan o o From the library of Superior Sewing Machine Supply LLC www s...

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