JUKI TL-2010Q Service Manual
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JUKI TL-2010Q Service Manual

1-needle lockstitch sewing machine with automatic thread trimmer for professional
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See also: Instruction Manual
1-nEEDlE lOCKSTITCH SEWInG MaCHInE WITH
auTOMaTIC THREaD TRIMMER FOR PROFESSIOnal
Tl-2010Q/2000Qi
SERVICE Manual

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Summary of Contents for JUKI TL-2010Q

  • Page 1 1-nEEDlE lOCKSTITCH SEWInG MaCHInE WITH auTOMaTIC THREaD TRIMMER FOR PROFESSIOnal Tl-2010Q/2000Qi SERVICE Manual...

  • Page 3: Table Of Contents

    CONTENTS [1] SpECifiCaTiONS Of TL-2010Q/2000Q i ............1 [2] NamES Of COmpONENTS ................3 [3] DiSaSSEmbLy aND aSSEmbLy ..............3 [4] priNTED CirCuiT bOarD Diagram (CONNECTOr LayOuT) ..... 15 [5] aDjuSTmENTS Of COmpONENTS ............16 WarNiNg : To avoid the risk of fire, electric shock, injury to persons or damage to components, especially keep the following : • When disassembling, assembling or adjusting the sewing machine, remove the power plug.

  • Page 4: Specifications Of Tl-2010Q/2000Qi

    [1] SPECIFICATIONS OF TL-2010Q/2000Qi (1) Power switch ON•OFF 2-step changeover switch (common to lamp) located at the belt cover section of the right-hand side of main unit. (2) Drive control components Drive : Built-in motor timing belt method Control : Foot pedal controller method 50 to ,500 sti/min...
  • Page 5 (7) Special mechanism . Automatic thread trimming : Thread trimming switch is used in common for pushbutton type and for external foot pedal switch type. Switch fails to work even when pressing it within two seconds after the rotation of thread trimmer. 2.

  • Page 6: Names Of Components

    Face cover Handwheel Stitch dial Pressure indicating plate Needle up/down switch Thread take-up thread guide Speed limit vr knob (only for TL-2010Q) Thread take-up spring Automatic thread trimming switch Presser bar connection thread guide Reverse feed stitch lever Hand lifter lever...

  • Page 7: Belt Cover And Motor Cover

    Outer Components 6 Convex of presser spring regulator knob 5 Slit of presser regulating screw 1. Arm cover asm. 1 Arm cover setscrew SM5042005SN 2 Bobbin 4 MAIN circuit winder 3 Arm cover board case cover connector Disassembly Assembly Point ™...

  • Page 8: Main Circuit Board Asm

    4. Bed cover mas. asm. 1 Bed cover setscrew 1 Bed cover setscrew SM5051255SN Disassembly Assembly Point ™ Remove six 1 setscrews and re- ™ Attach bed cover and tighten set- move bed cover. screws. 5. MAIN circuit board asm. Preparation 2 MAIN circuit board case setscrew A 3 MAIN circuit board setscrew...

  • Page 9: Handwheel And Clutch

    2. Handwheel and clutch !0 Groove of handwheel Preparation ™ Remove belt cover. 7 Convex of handwheel bushing ™ Remove arm cover. 9 Motor pulley 1 Handwheel setscrew 6 Groove of 2 Handwheel handwheel bushing 5 Hook portion of clutch spring 4 Angle portion of clutch spring When removing motor pulley, remove cord guide...

  • Page 10: Presser Bar

    4. Presser bar 2 Presser spring regulator Preparation Threader support plate setscrew (upper) ™ Remove arm cover asm. 4 Presser spring SL5040631SE ™ Remove face plate mas. asm. 7 Indicating needle of ™ Remove presser foot and setscrew. presser spring regulator Threader support plate mas.

  • Page 11: Reverse Feed Stitch Lever

    6. Thread take-up 1 Thread take-up supporting shaft setscrew SM8050602TP Preparation 6 Thread take-up support 3 Thread take-up ™ Remove arm cover asm. supporting shaft ™ Remove face plate mas. asm. 4 Needle bar crank ™ Remove presser bar. ™ Remove needle bar. 5 Thread take-up 2 Needle bar crank setscrew...

  • Page 12: Stitch Dial

    9. Stitch dial Preparation 4 Feed regulating screw ™ Remove arm cover asm. 5 Feed regulating screw • Stopper screw • Stopper nut 2 Feed regulating 3 Feed regulating screw stopper asm. setscrew 1 Stitch dial setscrew SM8030402TP Disassembly Assembly Point ™...
  • Page 13 Disassembly Assembly Point ™ Remove 1 nut (left side only). ™ Lay wire in frame. ™ Pass the wire through full reverse ™ Remove 2 setscrew and remove ™ Connect thread release 4 plate side of stitch dial. tube presser. with disk pressure release con- ™...

  • Page 14: Hook Driving Shaft Pulley

    13. Hook driving shaft pulley Preparation ™ Remove outer components. (Excluding stop solenoid) ™ Loosen idler. ™ Remove needle. 5 Hook driving shaft pulley eccentric shaft 3 Hook driving shaft pulley E-ring (E-6) 9 Thread trimmer cam screw No. 1 1 Timing belt 6 Hook driving shaft pulley eccentric shaft bushing...
  • Page 15 14. Hand lifter lever 1 Hand lifter lever 4 Hand lifter lever shaft set screw Flat part 2 Hand lifter lever shaft 3 M4 screw Disassembly Assembly Point ™ Loosen hand lifter lever shaft set- ™ Put hand lifter lever shaft 2 into ™...
  • Page 16 Automatic Thread Trimming Components 5 Looper mas. asm. setscrew 3 Looper link asm. SM5040855SN 1. Looper mas. asm. Preparation ™ Remove bed cover. 4 M o v i n g k n i f e 2 Looper link holding shaft 1 Looper link B 6 Looper 7 Bobbin case...
  • Page 17 3. Moving knife base mas. asm. Preparation ™ Remove bed cover. 3 Feed dog ™ Remove throat plate asm. 2 M o v i n g k n i f e base mas. asm. setscrew 1 Moving knife link SM4040855SP shaft A E-ring Disassembly Assembly...

  • Page 18: Printed Circuit Board Diagram (Connector Layout)

    [4] PRINTED CIRCUIT BOARD DIAGRAM (CONNECTOR LAYOUT) AC120V Plug socket VR for speed Lamp Thread trimmer Lamp SW limiting Power SW solenoid Controller Controller socket CN23 Thread trimmer Thread trimmer MAIN FILTER CN11 CN22 socket SW circuit board circuit board circuit board CN21 External thread...

  • Page 19: Adjustments Of Components

    (Caution) Convex portion of connectors, CN7, CN8 and CN9 should be placed up. Convex portion Connector insertion diagram (FILTER circuit board) CN22 － 〜 〜 － ZNR1 CN21 CN23 [5] ADJUSTMENT OF COMPONENTS Automatic thread trimmer mechanism General mechanism 1. Positioning of moving knife arm installing plate 1.

  • Page 20: Height Of Needle Bar

    General Mechanism 1. Height of needle bar bushing ™ Set dimension from top surface of throat plate to lower end face of needle bar bushing to 67.0 ± 0.1mm. (bushing : driving fit) Lower end face of needle bar bushing 67.0 ± 0.1 mm Top surface of throat plate 2.

  • Page 21: Height Of Feed Dog

    4. Height of feed dog ™ Set stitch dial to 2 and bring feed dog to its high- Top surface of throat plate est position. 1.2±0.1 mm ™ See the height on the rear side of feed dog. ™ Bottom of tooth of feed dog should be aligned with top surface of throat plate.

  • Page 22: Tension Of Thread Take-Up Spring

    8. Position of bobbin case positioning finger ™ Loosen bobbin case positioning finger 1 set- Needle screw. Top view ™ Make right-hand edge of convex portion of bobbin 0.3 to 0.5 mm case positioning finger spring align with 2 right- hand edge of needle. ™ Temporarily tighten setscrew, hold clearance of 0.3 to 0.5 mm between inner hook and bobbin Bobbin case positioning finger case positioning finger, and securely tighten set-...

  • Page 23: Adjustment Of Bobbin Thread Tension

    11. Adjustment of bobbin thread tension How to adjust Bobbin case Adjust with adjusting screw so that bobbin thread Adjusting screw tension when spun thread #60 is used becomes 0.176±0.02N. Bobbin thread 12. Position of bobbin winder clutch ™ Remove belt cover. How to adjust 1.

  • Page 24: Adjustment Of Bobbin Winder

    13. Adjustment of bobbin winder [Position of disengaging bobbin winder] How to adjust 1. Set 1 bobbin presser to the position where it is 16 mm away from 2 bobbin winding shaft. 2. Tighten 4 bobbin winder controller asm. with setscrew when concave portion of 3 bobbin winding shaft base adjusting plate is engaged with convex portion of 4 bobbin winder controller asm..

  • Page 25: Position Of Threader Support Plate Mas. Asm

    14. Position of threader support plate mas. asm. How to adjust ™ Open face cover and remove arm cover asm. 1. Temporarily tighten 1 threader support plate mas. asm. with setscrews. 2. Adjust 1 threader support plate mas. asm. so 2 Threader support plate that position of threader shaft is 10.5 mm, making setscrew (upper)

  • Page 26: Automatic Thread Trimmer Mechanism

    Automatic Thread Trimmer Mechanism 1. Positioning of moving knife arm installing plate (Adjustment of position of moving knife) ™ Loosen 1 nut of setscrew 2 Moving knife arm ™ Loosen 2 setscrews in installing plate and move installing plate setscrew installing plate to the right or left to obtain position 1 Nut of setscrew ™...
  • Page 27 3. Thread trimmer cam timing (Needle-to-cam position) ™ Loosen setscrews in 1 thread trimmer auxiliary 4 Thread trimmer auxiliary link cam, 2 thread trimmer cam and 3 roller holding 1 Thread trimmer auxiliary cam cam. ™ Lower needle bar by 37˚ (1.95 mm) from its upper dead point. ™ In this state, fix hook driving shaft and perform positioning of cams of 1 , 2 and 3 .
  • Page 28 3-6 Adjustment of thread trimmer clutch plate collar ™ After assembling 1 thread trimmer solenoid link A, perform adjustment of eccentricity with 2 thread trimmer clutch plate collar (adjustment of clearance between roller holding cam and link arm support plate) and ad- just clearance to 1 to 3 mm.
  • Page 29 ™ Insert a clearance gauge of 0.5 mm to contact part of 1 moving knife roller arm asm. and 2 looper link arm asm. and press 2 looper link arm asm. to 1 moving knife roller arm asm. 5 Nut 2 Looper link arm 0.5 spacer 4 Link arm support...

  • Page 30: Position And Protruding Amount Of Looper

    4. Position and protruding amount of looper (Left/right position and moving amount) 4-1. Adjustment of left/right position of looper ™ Adjust with looper mas. asm. 2 so that center of inner hook is aligned with center of lopper 1 . 2 Looper mas.
  • Page 32 2-11-1. Tsurumaki, Tama-shi, TOKYO 206-8551, JAPAN PHOnE : (81)42-357-2341 FaX : (81)42-357-2345 Copyright C 2010 JUKI CORPORATION. All rights reserved throughout the world. 40099556 000510...

This manual is also suitable for:

Tl-2000qi

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