SunStar SJS/A-PS/A User Manual
SunStar SJS/A-PS/A User Manual

SunStar SJS/A-PS/A User Manual

Direct drive, automatic pocket setter sewing machine

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S S u u n n S S t t a a r r C C O O . . , , L L T T D D . .
R
USER ' ' S MANUAL
SJS/A-PS/A
Direct Drive, Automatic
Pocket Setter Sewing
Machine
1) FOR AT MOST USE WITH EASINESS,
PLEASE CERTAINLY READ THIS MANUAL
BEFORE STARTING USE.
2) KEEP THIS MANUAL IN SAFE PLACE
FOR REFERENCE WHEN THE MACHINE
BREAKS DOWN.
M M M M E E - - 1 1 0 0 1 1 0 0 2 2 0 0

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Summary of Contents for SunStar SJS/A-PS/A

  • Page 1 USER ’ ’ S MANUAL SJS/A-PS/A Direct Drive, Automatic Pocket Setter Sewing Machine 1) FOR AT MOST USE WITH EASINESS, PLEASE CERTAINLY READ THIS MANUAL BEFORE STARTING USE. 2) KEEP THIS MANUAL IN SAFE PLACE FOR REFERENCE WHEN THE MACHINE BREAKS DOWN.
  • Page 2 1. Thank you for purchasing our product. Based on the rich expertise and experience accumulated in industrial sewing machine production, SUNSTAR will manufacture industrial sewing machines, which deliver more diverse functions, high performance, powerful operation, enhanced durability, and more sophisticated design to meet a number of user’s needs.
  • Page 3: Table Of Contents

    Contents ................1. Machine Type and Specifications ........................2. Safety Rules 2.1) Safety Stickers ......................7 2.2) Machine Delivery ...................... 8 2.3) Machine Installation ....................9 2.4) Machine Operation ....................9 2.5) Repair and Maintenance ..................10 2.6) Safety Labels ......................10 2.7) Location of Safety Labels ..................
  • Page 4 ---------------------------------------------------------------------------------- 7. Maintenance 7.1) Needle Bar Height Adjustment ................23 7.2) Adjustment of Needle and Hook ................23 7.3) Presser Foot Adjustment ..................24 7.4) Adjustment of Thread Release and Dish Opening ..........26 7.5) Trimmer Timing Adjusting ..................27 7.6) Blade Adjustment and Replacement ..............
  • Page 5: Machine Type And Specifications

    Machine Type and Specifications SJS/A-PS/A Series Model Label Structure POCKET SETTER SJS / A - PS / A SUB CLASS SUNSTAR JEAN SYSTEM SERIES Machine Type Direct Drive, High Speed, 1-Needle, Lock-Stitch M/C Sewing Scope 250mm(X)×250mm(Y) Sewing Speed 3600 spm (Stitch length: 3mm or below) Stitch Length 0.1mm∼6mm...
  • Page 6: Safety Rules

    Safety Rules 2.1) Safety Stickers Caution Danger Warning The safety stickers in this user’s manual are divided into , and . They indicate that if the safety rules are not kept, injury or damage to machine might occur as a result. Name Description If the machine is not properly handled, it may cause injury to...
  • Page 7: Machine Delivery

    2.2) Machine Delivery Mark Description The machine delivery shall be conducted by the persons who are knowledgeable about the safety instructions and rules. The following safety rules must be observed: 2.2.1) Manual delivery When the machine is delivered by persons, they shall wear special shoes and tightly hold the machine on the left and right sides.
  • Page 8: Machine Installation

    2.3) Machine Installation Depending on the installation environment, function errors, breakdown, or other physical damage might result. Make sure to meet the following conditions for machine installation: 1) The workbench or table where the machine is installed should be durable enough to endure the weight of the machine (see the name plate).
  • Page 9: Repair And Maintenance

    2.5) Repair and Maintenance When repair is needed, properly trained SunStar A/S engineers should be called to conduct the repair. 1) Cut off the main power before machine cleaning and repair. Wait for four minutes until the machine is completely discharged.
  • Page 10: Location Of Safety Labels

    2.7) Location of Safety Labels WARNING Injury may be caused by winding. Be sure to turn off the power before cleaning, lubricating, adjusting or repairing. CAUTION 경 고 Do not operate without finger guard and safety devices. Before threading, changing bobbin and needle, cleaning etc.
  • Page 11: Machine Parts

    Machine Parts 3.1) Parts Name Thread Stand Sewing Machine Inner Presser Plate Outer Presser Plate Pocket Feed Plate Operating Unit Emergency Stop Switch Load Frame Foot Pedal Body Power Switch Control Box...
  • Page 12: Checkpoints Before Machine Installation

    Checkpoints Before Machine Installation 4.1) Installation Environment 1) Do not use the machine if the voltage is 10% higher than the rated voltage to prevent accidents caused by wrong operation. 2) Check the appropriateness of the pressure of pneumatic devices such as air cylinder to prevent accidents caused by wrong operation.
  • Page 13: Machine Installation

    Machine Installation 5.1) Body Installation 1) Install the body on the even and sturdy place. The balance of the main body is closely related to the machine noises and vibration. 2) Loosen the nut ① and turn the balance adjusting stand ②...
  • Page 14: Operating Panel Installation

    5.4) Operating Panel Installation 1) Install the operating panel at the left side of the pants load frame ① as in the figure. 2) Adjust the operating panel to the proper height for convenient use and fix it with screws ②. 3) Adjust the front/rear position of the operating panel for convenient use and fix the operating panel with a ①...
  • Page 15: Pneumatic Device Installation

    5.7) Pneumatic Device Installation 1) Fix the filter regulator ① to the manifold bracket at the rear side of the body using bolts. 2) Fix the solenoid valve ② to the manifold bracket using bolts. 3) Connect the air hoses on the machine side to each solenoid valve.
  • Page 16: Load Frame Installation

    5.9) Load Frame Installation 1) Fix the stacker (ass’y) ① to the stacker holder ② with bolts using the saddle stopper ③. 2) Connect the cable ④ and the pneumatic hose ⑤ to the solenoid valve ⑥ of the stacker. 3) Fix the stacker safety guide ⑦...
  • Page 17: Preparation Before Use

    Preparation Before Use 6.1) Oil Supply 1) There is an oil tank to lubricate major moving parts of the arm. Check the oil volume at the oil tank and make sure that the oil tank is properly filled. When using the machine after it has been unused for a long time, oil supply is a must. Use the machine at 70% of the maximum speed for some two weeks and then use the machine at the full speed.
  • Page 18: Needle Installation

    6.2) Needle Installation Loosen the needle fixing screw on the needle bar and put the long groove of the needle headed to the left. Insert the needle until the needle head touches the end of the needle hole and fix the needle with the screw. Needle Fixing Screw Needle 6.3) Upper Thread Placement...
  • Page 19: Lower Thread Placement

    6.4) Lower Thread Placement 1) Insert the bobbin into the bobbin case as in the figure. Looking from the back of the bobbin case, the bobbin should be inserted in the way that it can be spun clockwise. 2) Pass the lower thread through the slot on the bobbin case and insert the thread into the thread hole.
  • Page 20: Lower Thread Winding

    2) Lower Thread Tension Adjustment Turn the tension adjusting screw on the bobbin case clockwise as in the figure to strengthen the tension and vice versa. Tension adjusting screw 6.7) Lower Thread Winding 1) Insert the bobbin into the thread winder driving shaft on the thread winder base attached to the top cover. 2) Place the thread winder lever close to the bobbin and operate the machine.
  • Page 21: Presser Foot Height Adjustment

    6.8) Presser Foot Height Adjustment 1) Place the needle bar at the lowest position and loosen the presser foot screw ⓐ. 2) Adjust the presser foot height to set the distance between the presser foot bottom and the sewing fabric at 0.5mm (the length of thread used) and fasten the screw.
  • Page 22: Maintenance

    Maintenance 1. The sewing machine is tooled at the best conditions when shipped out of factory. Do not change the settings of the machine except trained engineers and use authentic SunStar parts only for part replacement. Caution 2. Power must be turned off before conducting maintenance activities.
  • Page 23: Presser Foot Adjustment

    7.3) Presser Foot Adjustment 1) Set the end of the presser foot driving cam at the center of the upper shaft marked line. Set the cam’s marked line to overlap the upper shaft’s marked line. Then fasten the tightening screw ①. Tightening screw If the presser foot driving cam is not properly positioned, the up/down movement timing of the...
  • Page 24 If there is no space between the presser bar holder and the presser bar bushing, interference and noises occur during machine operation. If screws are not tightly fastened after adjustment, damage might result during operation. Caution ⓔ Turn the position link stopper screw to place the position link stopper ④ close to the hinge screw for presser foot driving link fixing ③.
  • Page 25: Adjustment Of Thread Release And Dish Opening

    5) Presser Foot Height Control (Optional) ⓐ Loosen the two fixing screws① and then the fixing nut②. ⓑ Turn the height adjusting screw③ in the arrow direction (clockwise) to adjust the height. ⓒ When adjustment is complete, fasten the two fixing screws① and one fixing nut②. ④...
  • Page 26: Trimmer Timing Adjusting

    7.5) Trimmer Timing Adjusting 1) Turn the pulley to locate the thread take-up lever at the ③ highest position. 2) Push the trimmer lever ① with a finger and make the edge ③ of the moving blade ② move 1~1.5mm 1~1.5mm further from the end of the fixing blade ④.
  • Page 27: Blade Adjustment And Replacement

    7.6) Blade Adjustment and Replacement 7.6.1) Fixed Blade Adjustment 1) Loosen the fixed blade tension adjusting nut ① Box wrench with a box wrench and loosen the tension adjusting screw ②. Fixed blade ② 2) Move the moving blade and make its tip contact the tip of the fixed blade as in the figure.
  • Page 28: Hook Lubrication Adjustment

    3) When the tip of the fixed blade is worn away, grind it on the greased grindstone. Fixed blade Greased grindstone 7.7) Hook Lubrication Adjustment 1) When the lubrication adjusting screw ① is turned clockwise (+ direction), the lubrication volume increases.
  • Page 29: Adjustment Of Main Thread Adjusting Device

    7.8) Adjustment of Main Thread Adjusting Device 1) Turn the tension adjusting nut ⓐ for the thread adjusting device clockwise and the tension of the upper thread gets stronger, and vice versa. Thread tension is adjusted depending on sewing conditions including Tension adjusting nut fabric, thread, and stitch count.
  • Page 30: Adjustment Of Driving Belt Tension

    7.11) Adjustment of Driving Belt Tension 1. When the tension adjustment of each driving belt is needed, properly trained SunStar engineers or equivalent experts should conduct the tension adjustment. Otherwise, embroidery quality and machine operation might be affected. Caution 2. Before adjusting each driving belt’ ’ s tension, turn off the power of the machine.
  • Page 31 2) X-Feed Timing Belt ① Disassemble the X-Y cover and check the X-feed timing belt tension using the sound wave-type belt tension meter. ② Set the X-feed timing belt tension at 26~27kgf ⑥ according to the sound wave-type belt tension ④...
  • Page 32 ③ When the Y-motor timing belt tension is adjusted, the followings are the input data for the sound wave-type belt tension meter. Weight: 3.8g/m Wide: 35mm/#R Span: 87.5mm ④ When adjusting the tension of the Y-motor timing belt, loosen the nut ③ assembled with the tension adjusting bolt ②...
  • Page 33: X, Y Origin Setting

    7.12) X, Y Origin Setting 7.12.1) Y-shaft Origin Setting 1) Move the feed plate ① fully toward the outer presser plate ②. Adjust the outer presser plate ② to make the two holes of the feed plate ① overlap the two holes of the external presser plate ②, and then fix the plates with the origin adjusting pin ③.
  • Page 34 7.12.2) X-shaft Origin Setting 1) Move the feed plate ① fully toward the outer presser plate ②. Adjust the outer presser plate ② to make the two holes of the feed plate ① overlap the two holes of the external presser plate ②, and then fix the plates with the origin adjusting pin ③.
  • Page 35: Pocket Setter Replacement

    7.13) Pocket Setter Replacement 7.13.1) Pocket Setter Ordering 1) Go to www.sunstarcs.com and select a language. 2) Enter customer ID and password.
  • Page 36 3) Press No. 1 or No. 2 for ordering. 4) Pick a desired pocket design and enter figures.
  • Page 37 5) With an invoice popping up on the screen, the ordering is completed. 7.13.2) Feed Plate Replacement ① 1) Loosen the connection shaft screw ① and separate the feed plate ④. ② 2) Loosen all 8 feed plate fixing bolts ② and disassemble the connection block ③.
  • Page 38 7.13.4) Replacement of Inner Presser Plate Guide 1) Loosen the fixing nut① and the fixing screw②, and disassemble Clamp Guide 2-C③, Clamp Guide 2-L④, and Clamp Guide 2-R⑤. 2) Assemble three new clamp guides with the fixing nut① and the fixing screw②. ①...
  • Page 39 ④ ⑤ ① ④ ⑧ ② ⑥ ⑦ ③ ⑨ ⑤ 3) Loosen the four fixing screws① and separate the fixing plate⑦ and the cylinder connection link⑥. Separate the clamp link(C)⑧, the fixing pin(C)⑤, and four fixing pins (L)④. 4) Loosen the four fixing screws③ and separate the clamp plate (upper)⑨. Replace with a new clamp plate (upper). ①...
  • Page 40: Clamp Replacement For Changing General Pattern Use

    7.14) Clamp Replacement for Changing General Pattern Use ① 1) Loosen the four socket set screws①. ① ② 2) Disassemble the outer presser plate① and the inner presser plate bracket②.
  • Page 41 ⑥ ④ ⑤ ① ③ ② 3) Assemble the upper feed plate① with the block⑤ as in the figure. Use the two fixing screws③ to fix the shaft. Fix the lower feed plate② to the body bracket⑥ using the two fixing screws④ as in the figure.
  • Page 42: Laser Pointer Installation (Optional)

    7.15) Laser Pointer Installation (Optional) ⑪ ⑩ ② ④ ⑫ ⑭ ① ③ ⑥ ⑬ ⑤ ⑮ ⑦ ⑨ ⑧ 1) Insert the laser pointer stand ① into the table, and fix it using the washer ⑨ and the nut ⑧. 2) Insert the connection block ④...
  • Page 43: Pneumatic System Circuit Diagram

    7.16) Pneumatic System Circuit Diagram...
  • Page 44: Former Clamp Replacement

    7.17) Former Clamp Replacement Loosen the two bolts ① with the wrench. Loosen the four bolts ② with the wrench in the same way. Disassemble and take out the bracket ③ and the push device ④. Loosen the six socket set screws ① with the wrench and disassemble the clamp base ②.
  • Page 45 Loosen the four screws ① with the wrench and disassemble the clamp ②. Insert a new clamp and assemble it with the four screws. Turn the hand screw ① counter-clockwise and disassemble the pocket setter ②. Loosen the two screws ① with the screwdriver and disassemble the block ②. Replace the pocket setter and then assemble it.
  • Page 46 Place the assembly ① made in process #3 as in the figure and fix it with six socket set screws ②. Pull down the pocket setter ④ as in the figure and set the gap from the pocket groove ① at 0.5mm. Then fix it using the hand screw ③. 1∼1.5mm Set the distance between the end of the side push device ①...

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