1. Manuals
  2. Brands
  3. UnionSpecial Manuals
  4. Sewing Machine
  5. Juki 36200 Series
  6. Engineer's manual

UnionSpecial Juki 36200 Series Engineer's Manual

Feed-off-the-arm, 4-needle “flatseamer” for and bottom coverstitch, minute-quantity lubrication
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Feed-off-the-arm, 4-needle "Flatseamer" for
Top and Bottom Coverstitch
36200 Series
ENGINEER'S MANUAL
Minute-quantity
lubrication
40040898
No.E373-00
®

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Juki 36200 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for UnionSpecial Juki 36200 Series

Summary of Contents for UnionSpecial Juki 36200 Series

  • Page 1 ® Feed-off-the-arm, 4-needle “Flatseamer” for Top and Bottom Coverstitch 36200 Series Minute-quantity lubrication ENGINEER’S MANUAL 40040898 No.E373-00...
  • Page 2 Introduction This Engineer’s Manual is written for the technical personnel who are responsible for the service and mainte- nance of the machine. The maintenance services to be done on this sewing machine should be based on this manual. This manual gives the "Standard Adjustment" on the former section under which the most basic adjustment value is described and on the latter section the "Results of Improper Adjustment"...

  • Page 3: Table Of Contents

    CONTENTS 1. Specifications ......................1 2. List of models ......................2 Model numbering system ................3 4. Configuration....................(1) Head names ..........................4 (2) Names of presser body ......................5 5. Needles ......................6 (1) Needle types ..........................6 (2) Features of needles ......................... 6 (3) Needle applications .........................
  • Page 4 (16) Knife adjustment ........................40 1) Lower knife adjustment ........................40 2) Upper knife adjustment ........................40 3) Pressure adjustment of upper knife ....................40 (17) Adjustment of upper knife drive lever ................42 (18) Adjustment of needle thread path ..................44 1) Adjustment of needle thread guide bar ....................44 2) Adjustment of needle holder adjusting pin ..................44 3) Adjustment of needle thread presser spring ..................44 (19) Adjustment of tension disk rise and protection cover .............

  • Page 5: Specifications

    1. Specifications Application Model name 36200L/36200U 36200T 36200L220 Item For light-weight (swimsuits) General light-weight - Application Intended for taping materials medium-weight materials 4-needle one side trim 5-needle both side trim 4-needle both side trim Sewing type fancy sewing fancy sewing fancy sewing Max.

  • Page 6: List Of Models

    2. List of models The standard models are the lapseamers with 4 needles and 6 threads for vertical fancy stitch. According to the model names, they are classified into specifications for the specific gauges, step gauges, taping, and multi-purpose. Number of Retainer Number of Model name...

  • Page 7: Model Numbering System

    3. Model numbering system Name: Feed-off-the-arm 4-needle “Flatseamer” for Top and Bottom Coverstitch 3 6 2 0 0 — A A 6 to 9 Head specifications Code Specifications Cloth cutting Applications L100 Lapseam One side trim With edge guide spreader L200 Lapseam Both side trim...

  • Page 8: Configuration

    4. Configuration (1) Head names Presser pressure stroke adjusting screw Frame needle thread path Looper cover Needle bar guard Needle thread guide bar Presser Rear top cover Thread path frame Face cover Lift lever Looper thread guide Minute presser lifting Oil circulator check window (rear) Stitch length control window screw Swing guard...

  • Page 9: Names Of Presser Body

    (2) Names of presser body Presser bar Fancy thread carrier Drive lever link Drive link Top fancy looper Drive sleeve Link pin Lower knife clamp setscrew Minor presser (Minor presser Link pin setscrew Lower knife clamp for stepped materials) Drive lever shaft (carrier) Rear spring, left Rear spring, right Rear spring setscrew...

  • Page 10: Needles

    5. Needles (1) Needle types UNION standard accessory needle GROZ-BECKERT/UY118GKS 070/#10 Needle symbol Thread groove Scoop Strength Thread available for sewing Presence of front Spun thread, wooly thread, UY118GKS With Weak and rea Tetoron thread, cotton thread Presence of front UY118GAS Without Strong...

  • Page 11: How To Conduct Threading

    6. How to conduct threading How to make threading for the needle threads and the top and bottom fancy threads Threading illustration and threading guard setup 1. When you want to use the flatseamer machine head, you have to mount the threading guard (Assy) It can be mounted by means of two setscrews (2 pcs.).

  • Page 12: Standard Adjustment

    7. Standard adjustment (1) Presser removal work Procedures of assembling 1. To make the standard adjustments of the flatseamer, remove the presser main body first of all. State of the presser removed Main body assembly diagram Rear side of the presser main body State of the face cover removed –...
  • Page 13 Procedures of assembling Disassembly procedures for the presser main body 1. Loosen the setscrews (4 pcs.) and take out the face cover 2. Open the protection cover and take out the needles (5 pcs.) with the needle bars positioned at the upper dead point.

  • Page 14: Adjusting The Height Of The Needle Bar

    (2) Adjusting the height of the needle bar Standard Adjustment o For a needle gauge of 5.2mm Mount the right needle on the needle clamp with the needle bar positioned at the upper dead point and put the needle bar height gauge on the upper face of the throat plate .
  • Page 15 Adjustment Procedures Results of Improper Adjustment 1. Remove the face cover and loosen the needle bar connecting bracket When the needle bar height is setscrew to adjust the needle bar height by the means of the needle greatly different bar height gauge o This will be a cause of stitch skip- (Caution) When checking the needle bar height, change the needles ping, needle breakage, or thread...

  • Page 16: Adjustment Of Needle Array

    (3) Adjustment of needle array Standard Adjustment 1. Needle array Use the left needle and the retainer needle , and check the needle array based on Line A of the upper knife Apply Line A of the upper knife to the left needle and the retainer needle on both sides.
  • Page 17 Adjustment Procedures Results of Improper Adjustment Method of needle array check When the needle parallelism is not 1. Checks on the needle array parallelism are carried out after the secured completion of needle bar height adjustments. o This will be a cause of stitch skip- 2.

  • Page 18: Right And Left Needle Entry Position Adjustments

    (4) Right and left needle entry position adjustments Standard Adjustment 1. Needle entry Attach the needles (4 pcs.) and the retainer needle , and check the right and left needle entry spaces in regard to the throat plate claws Examine the position where the left space becomes wider by 0.15mm than the right space. In this state, the standard position is that the needles (4 pcs.) and the retainer needle (1 pc.), five needles in all, do not...
  • Page 19 Adjustment Procedures Results of Improper Adjustment Needle entry adjusting positions When the needle parallelism is not 1. When adjusting the right and left needle entry, remove the front top secured cover and the oil receiver. o This will be a cause of stitch skip- 2.

  • Page 20: Looper Adjustment

    (5) Looper adjustment Standard Adjustment 1) Returning amount of the looper When the looper is positioned at the leftmost point, adjust the distance to 4mm from the tip of the looper to the center of the left needle The amount of standard looper return is 4mm. However, the amount of return of the looper may somewhat change according to the type of thread.
  • Page 21 Adjustment Procedures Results of Improper Adjustment 1) Returning amount of the looper When the amount of looper return, 1. Mount the looper on the looper base and fasten it with the changing with the type of thread, is setscrew too much 2.

  • Page 22: Adjustment Of Looper And Needle Bar Timing

    (6) Adjustment of looper and needle bar timing Standard Adjustment 1. Looper and needle bar timing (synchronization) Synchronization is adjusted after mounting the respective gauge parts. Turn the pulley in the forward direc- tion and adjust the tip of the synchro-gauge rod to the graduation after the needle bar has been stopped.
  • Page 23 Adjustment Procedures Results of Improper Adjustment How to mount and use the synchro-adjust gauge o Incorrect synchro-gauge position- 1. Attach the needle bar torque tool to top of the needle bar ing may cause stitch skipping. tighten the setscrew . Then, move the needle bar to the lower dead point.

  • Page 24: Adjustment Of Looper Movement

    (7) Adjustment of looper movement Standard Adjustment 1. Looper movement The looper movement is regarded as 0° at the rightmost point. When the pulley is turned in forward direc- tion, the tip of the point gauge moves to the fan-shaped gauge in the direction of the arrow.
  • Page 25 Adjustment Procedures Results of Improper Adjustment How to mount and use the gauge If the looper movement deviates 1. Loosen the setscrew and take out the spring stud . Loosen the from the specified range, this will cover setscrew and take out the looper cover cause failure in securing the cor- 2.

  • Page 26: Adjustment Of Looper Movement Locus

    (8) Adjustment of looper movement locus Standard Adjustment 1. Turn the pulley in forward direction and mount the avoid gauge when the looper shaft stays in the extremely retreated position. At that time, confirm that the face of the plunger has coincided with that of the avoid gauge .
  • Page 27 Adjustment Procedures Results of Improper Adjustment How to mount and use the gauge When the amount of looper move- 1. Loosen the setscrew and take out the spring stud . Loosen the ment is insufficient cover setscrew and take out the looper cover o The force of the needle touching 2.

  • Page 28: Adjustment Of The Feed Dog

    (9) Adjustment of the feed dog Standard Adjustment 1. Height adjustment of differential feed dog In the first place, attach the differential feed dog . When the differential feed dog is positioned at the uppermost level, the standard position is obtained in terms of height where the root the tooth in the front most row of the differential feed dog coincides with the upper face of the throat plate Driver groove leveled...
  • Page 29 Adjustment Procedures Results of Improper Adjustment Adjusting positions and method of adjustment When the feed dog height is insuffi- 1. For the eccentric pin of the feed dog, the standard positioning of cient the driver groove is horizontal. If the driver groove seems to be in- o The amount of feed is decreased clined deviating from the standard positioning, loosen the setscrew and uneven feeding can occur.

  • Page 30: Adjustment Of Needle Holder

    (10) Adjustment of needle holder Standard Adjustment 1) Adjustment of rear needle holder Make adjustments so that the clearance between the left needle and the rear needle holder can attain 0.0mm (light contact) when the sewing machine pulley is turned in forward direction and the tip of the looper reaches the position by 1mm toward the left side of the left needle The standard posture is that the rear needle holder lightly pushes the left needle...
  • Page 31 Adjustment Procedures Results of Improper Adjustment 1) Adjustment of rear needle holder o If a clearance is actually developed 1. Turn the hand pulley in forward direction and stop it where the tip of between the left needle and the the looper stops in the position by 1mm toward the left side of the rear needle holder...

  • Page 32: Adjustment Of Feed Mechanisms

    (11) Adjustment of feed mechanisms Standard Adjustment 1) Stitch length adjustment (inch/10SPI-16SPI) The stitch length can be adjusted within the range of 1.6mm to 2.5mm. Standard adjustment is 2.1mm. For the adjustment of the stitch length, loosen the lever setscrew and move the lever upwards or down- wards until the required length is secured.
  • Page 33 Adjustment Procedures Results of Improper Adjustment 1) Stitch length adjustment When the stitch length is changed 1. When the stitch length adjusting window spring is removed, the o If the forward or backward move- lever setscrew can be seen. ment of the main feed dog is o Loosen the lever setscrew to move the lever upwards and fasten changed, the amount of contact is...

  • Page 34: Adjustment Of Presser Main Body Mounting

    (12) Adjustment of presser main body mounting Standard Adjustment 1. Adjustment of presser main body mounting After the completion of "7. Standard adjustments (1) to (11)", mount the presser main body . When mount- ing the presser main body , adjust the fancy thread carrier so that its claws are positioned in the center of the left needle and the left middle needle.
  • Page 35 Adjustment Procedures Results of Improper Adjustment How to mount the presser main body o When the presser bar guide 1. Get the minute-quantity presser adjusting pin inserted in the presser installed, actions of adjustments bar guide and insert the presser bar in the presser bar bush should be taken always at the and the hole of the presser bar guide...

  • Page 36: Adjustment Of The Presser Main Body Proper

    (13) Adjustment of the presser main body proper Standard Adjustment 1) Adjustment of presser lifter connecting lever The standard clearance is 1.0mm between the lever link and the presser bar guide while the needle bar is located at the lower dead point. Right and left direction 1.0mm 2) Adjustment of presser lifting strap plunger...
  • Page 37 Adjustment Procedures Results of Improper Adjustment 1) Adjustment of presser lifter connecting lever o When the clearance is increased Loosen the setscrew and move the lift connecting lever to the between the lever link and the right or left. Confirming the attainment of the standard size of 1.0mm, presser bar guide , the amount tighten the setscrew...

  • Page 38: Adjustment Of Top Fancy Looper And Fancy Thread Carrier

    (14) Adjustment of top fancy looper and fancy thread carrier Standard Adjustment 1) Stroke position adjustment of drive sleeve The standard position of the driving sleeve can be defined when the hand pulley is turned in forward direction and the standard clearance of 2mm is secured between the head of the link setscrew and the closest point on the rear side of the needle clamp 2.0mm...
  • Page 39 Adjustment Procedures Results of Improper Adjustment 1) Stroke position adjustment of drive sleeve o If position adjustment is incorrect, When the head of the link setscrew comes closest to the rear face this can be a cause of fancy stitch of the needle clamp , loosen the setscrew of the driving sleeve...

  • Page 40: Leftmost Point Of Top Fancy Looper

    (14) Adjustment of top fancy looper and fancy thread carrier Standard Adjustment 3) Leftmost point of top fancy looper While the top fancy looper is moved leftward, the fancy thread passes through the slider section and the position of being hooked on the thread hanger section is located at the extreme left. When the tip of the top fancy looper reaches the extreme left point, the standard size of 2.0mm from the left middle side face of the presser main body is secured.
  • Page 41 Adjustment Procedures Results of Improper Adjustment 3) Leftmost point of top fancy looper o If the fancy thread is not caught Loosen the setscrew when the tip of the top fancy looper by the thread hanger section of the located at the extreme left, and move the looper to the right and left top fancy looper , this can be a to secure a dimension of 2.0mm.

  • Page 42: Adjustment Of Top Fancy Cam And Bobbin Thread Cam

    (15) Adjustment of top fancy cam and bobbin thread cam Standard Adjustment 1) Adjustment of top fancy cam 1. While the top decoration cam is moved leftward, the decoration thread passes through the thread slider section of the top decoration looper and is caught by the thread hanger section. The standard position is secured when the fancy thread is released from the crest point of the top fancy looper after the thread has been hooked on the thread hanger section.
  • Page 43 Adjustment Procedures Results of Improper Adjustment 1) Adjustment of top fancy cam o If the fancy thread is not caught by the thread hanger section of the 1. Check the timing when the upper fancy thread is released from the top fancy looper, this can be a crest position of the outer periphery of the cam.

  • Page 44: Knife Adjustment

    (16) Knife adjustment Standard Adjustment 1) Lower knife adjustment Insert the lower knife from the left side of the presser main body, left. The standard size is 0.8 to 1.6mm from the right side of the presser main body left to the front corner section of the lower knife right.
  • Page 45 Adjustment Procedures Results of Improper Adjustment 1) Lower knife adjustment o According to the right and left po- 1. Loosen the setscrew and move the lower knife to secure the sitioning mesh between the upper standard size of 0.8 to 1.6mm. Since then, tighten the setscrew and lower knives , the amount of material stacks is...

  • Page 46: Adjustment Of Upper Knife Drive Lever

    (17) Adjustment of upper knife drive lever Standard Adjustment Positiion of upper knife drive lever 1. When the hand pulley is turned in forward direction and Size is secured for the needle bar height, the standard position is located at 6:00 for the upper knife driving lever Upper face of the machine head section Upper face of the needle bar Position of 6:00...
  • Page 47 Adjustment Procedures Results of Improper Adjustment How to determine Size o If the mounting posture of the up- 1. Set the needle bar at the lower dead point and measure Size from per knife driving lever is incor- the upper face of the needle bar to the upper face of the machine rect, the sharpness of the knife will head.

  • Page 48: Adjustment Of Needle Thread Path

    (18) Adjustment of needle thread path Standard Adjustment 1) Adjustment of needle thread guide bar The standard height (spun thread) of the needle thread guide bar is defined by Table below from the upper face of the needle thread guide base to the lower end of the hole.
  • Page 49 Adjustment Procedures Results of Improper Adjustment 1) Adjustment of needle thread guide bar o More precise adjustment to the Loosen the setscrew of the needle thread guide bar standard size is needed for the to adjust the height. After adjustments, fix the setscrew needle thread guide bar as it is o Lowering the needle thread guide bar...

  • Page 50: Adjustment Of Tension Disk Rise And Protection Cover

    (19) Adjustment of tension disk rise and protection cover Standard Adjustment 1) Adjustment of tension disk rise The standard positioning is that the tip of the disk rise pin keeps contact with the top tension disk when the presser main body rises by 0.8mm above the upper face of the throat plate and that the top tension disk...
  • Page 51 Adjustment Procedures Results of Improper Adjustment 1) Adjustment of tension disk rise o When pulling out the needle Insert a screwdriver in the driver groove of the tension disk rise shaft thread as well as the top and bot- . Loosen the setscrew of the lift lever and turn the screw- tom fancy threads, it is necessary...

  • Page 52: Adjustment Of Lapformer

    (20) Adjustment of lapformer Standard Adjustment 1. Adjustment of lapformer This is an exclusive both side trim center guide used to adjust the right and left width of the materials in stack. When the setscrews are loosened and the lapformers , and are moved to the right or left, it is possible to change the tip position and adjust the stack width of materials.
  • Page 53 Adjustment Procedures Results of Improper Adjustment How to mount and adjust the lapformer o When the tip sections of the 1. Fix the leaf spring to the bottom face of the slide block lapformers , and means of the setscrew moved to the left, the lap width is 2.

  • Page 54: Lubrication

    8. Lubrication 1. Oil lubrication and check point The sewing machine head section is of the rotary pump type auto lubrication system. Remove the oil circulation check windows (front) and (rear), , and feed a lubricant as high as the level between the upper and lower engraved marker lines of the oil gauges (front and rear), When the lubricant has been replenished, mount the oil circulation check windows (front) and (rear), 2.

  • Page 55: List Of Rear Spring

    9. List of rear spring (1) One side trim Accessories in the Model name Part No. of standard presser Standard same package 36200L100-52 36231AY, 36232AY 36231AZ, 36232AZ 36220A 36200U300-52 36200L100-60 36220K 36200U300-60 Length Short Long Hardness Weak Weak Option 36231AH, 36232AH 36231AJ, 36232AJ 36231AD, 36232AD Length...

  • Page 56: Both Side Trim

    (2) Both side trim Accessories in the Model name Part No. of standard presser Standard same package 36200L200-52 36231AW, 36232AW 36231AK, 36232AK 36220E 36200U300-52 36200L200-60 36220W 36200U300-60 Length Long Long Hardness Weak Strong Option J36231C, J36232C J36231ZC, J36232ZC J36231ZCW, J36232ZC J36231ZCW2, J36232ZC Length Short Short...

  • Page 57: Taping

    (3) Taping Standard Option Model name Part No. of standard presser 36231BA, 36232BA 36231AL, 36232AL 36200T300-52 36220E 36200T300-60 Features * Exclusively used for fly taping of men’s briefs. Length Short Short Hardness Weak Strong (4) Step gauge Standard Standard 1.27mm step gauges 1.27mm step gauges 36231AM, 36232AM 36231AP, 36232AP...

  • Page 58: Types Of Feed Dogs

    10. Types of feed dogs 1. Classification of specifications for the machine head of the standard feed dog (made of steel): 36200L100/L200 Main feed dog Part No.: 36205A Differential feed dog Part No. : 36226A Details * Standard number of teeth: 14-inch crest * Most suitable for the products of general looped fabric, knitted goods, etc., applicable to both light-weight and medium-heavy-weight materials.

  • Page 59: Maintenance

    From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...

  • Page 60: Troubles And Corrective Measures

    From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 61 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 62 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 63 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 64 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 65 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 66 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 67 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 68 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 69 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 70 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 71 From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...

  • Page 72: Auxiliary Drive Table

    From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...

  • Page 73: Auxiliary Drive Sub-Table

    From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 74 MEMO – 70 – From the library of Superior Sewing Machine & Supply LLC - www.supsew.com...
  • Page 75 The environmental management system to promote and conduct the technological and technical research, the development and design of the products in which the environmental impact is consid- ered, the conservation of the energy and resources, and the recycling, in the research, development, design, distribution, sale and mainte- nance service of the industrial sewing machines, household sew- ing machines and industrial-use robots, etc.

This manual is also suitable for:

Juki 36200lJuki 36200tJuki 36200l220Juki 36200u

Table of Contents