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8.3.3) Adjustment of Thread Take-up Lever Spring

1) Functions of Thread Take-up Lever Spring

If the upper thread supplied by the thread take-up lever is different from the upper thread pulled by the
hook in length, it causes the sagging of the upper thread.
The thread take-up spring removes the length difference by increasing the operation scope of the thread
take-up lever spring or increasing the tension of the spring. This way, the upper thread can be separated
from the fabric, strengthening the tightness of embroidery status.

○

Proper Location of Thread Take-up Lever Spring

The thread take-up spring stopper tightly contacts the
spring.

The thread take-up lever spring stopper does not contact
the spring (this is caused by the weak tension of the
thread take-up spring or the inappropriate location of the
spring stopper.)

×

Improper Location of Thread Take-up Lever Spring

Thread Take-
up Spring
Stopper

Thread Take-up

Spring

2) Adjustment of the Thread Take-up Lever

Spring

①

The tension of the thread take-up lever
spring affects the tightness of thread
according to embroidery conditions. The
tension of the thread take-up lever spring
rises by turning the thread adjuster shaft
clockwise as in the figure. The tension
declines by turning the thread adjuster shaft
counter-clockwise.

②

If it is desired to adjust the tightness of
thread by changing the operation scope of
the thread take-up lever spring, move the
thread take-up lever spring stopper
grounding left or right as in the figure. This
way it is possible to change the operation
scope of the thread take-up lever spring.

Thread
Adjusting
Shaft

Содержание E-U1201

Страница 1: ...ng glle e H He ea ad d B Br riid dg ge e A Au ut to om ma at tiic c E Em mb br ro oiid de er ry y M Ma ac ch hiin ne e S SU UN NS ST TA AR R P PR RE EC CIIS SIIO ON N C CO O L LT TD D M MM ME E 0 06...

Страница 2: ...ENTS IN THIS INSTRUCTION MAY CHANGE WITHOUT PRIOR NOTICE FOR IMPROVEMENT OF MACHINE QUALITY AND THUS MAY NOT CORRESPOND TO THE MACHINE YOU PURCHASED CONTACT YOUR SALES AGENT FOR INQUIRIES 3 THIS IS DE...

Страница 3: ...CTRICITY ENVIRONMENT 14 4 3 BALANCE ADJUSTMENT 14 5 SAFETY RULES FOR MACHINE OPERATION 16 5 1 TYPES OF SAFETY LABELS 16 5 2 LOCATION OF SAFETY LABELS 17 6 PARTS NAME 18 7 ASSEMBLY OF ACCESSORIES 19 7...

Страница 4: ...N 44 10 3 ADJUSTMENT OF PICKER 44 10 4 ADJUSTMENT OF UPPER THREAD HOLDING DEVICE 45 10 5 ADJUSTMENT OF UPPER THREAD HOLDER 46 10 6 ADJUSTMENT OF NOISE CONTROLLER FOR PRESSER FOOT 47 10 7 RELATIONS BET...

Страница 5: ...V 50 60Hz 600W Stitch Length Speed Motor Power Source Power Consumption 1 4 ACCESSORIES Standard Max 2 000 000 USB Memory Stick External Type FDD Option 1 7 Fold Capacity Hook Fluorescent Lamp Semi Wi...

Страница 6: ...t Warning Danger Caution No Name Description CAUTION WARNING DANGER Caution If the machine is not properly handled it may cause injury to users or physical damage to the machine If the machine is not...

Страница 7: ...ift shall be big enough to endure the weight of the embroidery machine and carry the machine 2 When lifting the machine align the fork arm of the forklift with the gravity center of the machine as in...

Страница 8: ...observe the following during machine operation 1 Before using the machine read this manual thoroughly and have a full understanding of machine operation 2 Get properly dressed Long hair necklace brace...

Страница 9: ...completely discharged 2 Do not modify the machine specifications or parts without substantial consultations with SunStar Otherwise it may threaten safety during machine operation 3 Use the parts manuf...

Страница 10: ...int when embroidery work is completed Go to the parameter setting mode and turn on the automatic offset function Then the frame will automatically move to the pre set position making the application w...

Страница 11: ...designs can be input into the machine by using a floppy diskette 2DD 2HD also possible to use 17 Edit Function Stitch data and functional codes jump close trimming can be deleted changed or inserted...

Страница 12: ...direct sunlight dusts and moisture from entering the work site 4 1 5 Installation Place The place where the machine is installed should be a concrete structure which is strong enough to endure the we...

Страница 13: ...the level gauge to balance the machine on the four directions including front back left and right When the level adjustment is completed tightly fasten the fixing nuts Make sure to check whether the p...

Страница 14: ...Gauge 1 Check the power voltage of the place where the machine is installed 2 The users might fall over the power cables of the machine Therefore when installing them keep them away from the working a...

Страница 15: ...is in operation keep your hands away from the needle bar and the thread take up Fully understand the contents of the safety labels attached to the machine to prevent any safety accidents from occurri...

Страница 16: ...ur finger in a groove on the table Physical damage may be caused by interposition While embroidery frame is running according to the direction of embroidery frame may be injured your hands by gap betw...

Страница 17: ...Box Regular Arm Color Change Box Upper Thread Holder Head Thread Tension Adjusting Plate Main Controller Box X shaft Feed System Y shaft Feed System Thread Guide Lamp Operation Box Upper Thread Holde...

Страница 18: ...SEMBLY OF ACCESSORIES 07 19 7 1 ASSEMBLY OF UPPER THREAD STAND 7 2 A AS SS SE EM MB BL LY Y O OF F O OP PE ER RA AT TI IO ON N B BO OX X Thread Hanging Angle Supporter Spool Plate Power Cable FDD Cabl...

Страница 19: ...toggle switch on Lamp Off 8 1 2 Thread Break Detection When upper thread break or lower thread break is detected the concerned lamp blinks and the rest lamps are turned off For the lamps which are au...

Страница 20: ...OP CLUTCH As in the figure below if the manual jump clutch lever is pulled forward from behind the needle bar operation will be suspended and it becomes possible to conduct the jump work If the thread...

Страница 21: ...d stand Auxiliary Thread Adjusting Device Thread Tension Adjusting Plate Thread Sensing Roller Thread Take up Lever Spring Stopper Thread Take up Spring Rotary Tension Dish Main Thread Tension Adjusti...

Страница 22: ...tion Thread Placement on Main Thread Tension Adjusting Device Rotate the thread around the rotary tension dish by one and a half circle based on the v mark Pass the thread through the upper thread hol...

Страница 23: ...abric it can be said that the thread tension is well adjusted If the tension is too weak the upper thread becomes separated from the fabric causing thread entanglement or thread break If the tension i...

Страница 24: ...he spring this is caused by the weak tension of the thread take up spring or the inappropriate location of the spring stopper Improper Location of Thread Take up Lever Spring Thread Take up Spring Sto...

Страница 25: ...hen the embroidery begins 8 4 2 Adjustment of Lower Thread Tension The lower thread tension is adjusted by the adjusting screw of the tension spring on the bobbin case When the screw is turned clockwi...

Страница 26: ...the thread up to 80 of the bobbin size in diameter as in the figure 80 2 The thread volume on the bobbin can be adjusted by using the thread winding knob When the knob is turned clockwise the thread...

Страница 27: ...ension adjusting nut If the lower thread is wound on the bobbin as in one of the following cases thread break lower thread skipping and thread entanglement might occur due to the uneven release of the...

Страница 28: ...d thread skipping might occur The embroidery condition will be negatively affected as well 2 The table below shows the types of needles and thread used for embroidery 0 25 0 27 0 29 0 32 0 34 0 36 USA...

Страница 29: ...of the Needle 1 When conducting embroidery with special types of thread such as rayon thread the needle can be installed with its groove turned to the right as in the figure in order to minimize the o...

Страница 30: ...t according to the specifications number of a needle When setting the hook timing the hook can move left or right to some degree according to the clearance of the lower shaft gear Move the hook clockw...

Страница 31: ...as possible for accurate thread placement 2 Depending on situations the function of the rear needle groove shall be considered When the embroidery condition is unstable thread skip thread break instal...

Страница 32: ...l the hook point moves inside to hook the upper thread Then the stitch will be created much quicker compared with the ascending movement of the thread take up lever Therefore as a result the thread ti...

Страница 33: ...sing roller dusts and foreign materials which block smooth rotation of the roller can be removed Upon disassembly remove the cover of the thread tension adjusting plate and separate various cables on...

Страница 34: ...g and fixed blades Reference Cleaning Method Remove the needle plate and pull the moving blade a toward the front as in the figure Then start cleaning and when the cleaning is done put the blade back...

Страница 35: ...36 Hook Thread Take up Lever Guide Rail Moving Blade Lower Thread Holder Fixed Blade...

Страница 36: ...of the moving blade and the fixed blade Every three to four hours Once a week Once a week Once a week Once a week Once a week NO Where to Supply Oil Frequency Reference Figures Make sure to turn off...

Страница 37: ...38 Head Arm Oil Supply Opening Hook Race Bobbin Case Bed...

Страница 38: ...olor change cam color change related gears Every six months 2 Hook shaft gear within the rotary hook base and lower shaft gear Trimmer driving link and trimmer driving shaft bushing Every six months E...

Страница 39: ...s 1 2 3 Y shaft LM guide 2 places x 2EA Head feeding LM guide Every two months Every two months No Frequency Where to Supply Grease Reference Figure Make sure to turn off the power of the machine duri...

Страница 40: ...ee months Every three months Every three months Check the belt tension Check the belt ruptures Check the degree of abrasion Check the damage to the bearing Check the degree of the abrasion around the...

Страница 41: ...blade is properly located the cutting point of the fixed blade is 1mm away from the fixed blade If the location of the moving blade is not proper the separation of the upper thread and the wrong trim...

Страница 42: ...Check the crossing tension Manually move the moving blade to cut the upper and lower threads and check the conditions of the cross sections of the threads Adjust the crossing tension Use the tension a...

Страница 43: ...pring tension decreases Return Spring Tightening Nut First Spring Hanger 10 3 ADJUSTMENT OF PICKER If the picker is improperly located or the picker s entry is insufficient the lower thread to be cut...

Страница 44: ...place the flat plate at the lower side of the arm guard plate right making it touch the flat plate of the upper thread holding lever When they are done fasten the tightening screw for the upper threa...

Страница 45: ...ase at the place where the hook of the upper thread holder passes through the center of the thread In this case loosen the tightening screw for the bracket to prevent the upper thread holder from bein...

Страница 46: ...moving cam to the place where the assembly standard pins can smoothly move left and right and tightly fasten three tightening screws M4 L35 Thread Take up Lever Moving Cam Presser Foot Moving Cam Pin...

Страница 47: ...to enable the needle and the upper thread penetrate the embroidery fabric in a stable condition In addition when the needle escapes from the fabric the relations between the presser foot and the need...

Страница 48: ...color change cam Open the half turn sensor cover and make adjustment to make the center of the half turn center overlap the center of the half turn film Half Turn Sensor Half Turn Film 1 When manuall...

Страница 49: ...r position First of all loosen the fixing screws on the coupling s connection part to the encoder 2 places Press the Select button and set the angle at 100 Adjust the encoder and stop it at the place...

Страница 50: ...e needle bar Lowest Point Gauge Tightening Screw Needle Bar Holder Presser Foot Holder Needle Bar Cushion Rubber Highest Point Stopper L Wrench Needle Bar Holder 10 10 2 Adjustment of Highest Point of...

Страница 51: ...e place properly make sure to check the assembly condition of the manual jump clutch Make sure to check whether the center of the motor shaft is in parallel with the center of the manual clutch pin an...

Страница 52: ...loosen the tightening screw for the tension base and turn the tension adjusting bolt to adjust the tension When the bolt is turned clockwise the belt tension gets stronger Otherwise the belt tension...

Страница 53: ...sion is measured by the sound wave based belt tension meter 3 Data input for sound wave based belt tension meter to adjust the X shaft timing belt tension Weight 003 8gf m Wide 015 0mm R Span 0707mm 4...

Страница 54: ...n is fastened the tension gets stronger Otherwise the belt tension gets weaker 2 3mm 2 Adjustment of Upper Lower Shaft Timing Belt To adjust the tension of the upper lower shaft belt slightly press th...

Страница 55: ...e laser pointer beam a pass between the presser foot b and the upper thread pressure base cover and to place the position marker at the center of the needle hole Make adjustments from color change nee...

Страница 56: ...and replace the fuse Execute manual color change Locate the needle at the highest position Check whether the signal lamp needle set and concerned signal lamp LED blinks and adjust the half turn film a...

Страница 57: ...thread take up lever to be on the same line with other thread take up levers when the machine stops main shaft rotary angle 100 Replace the front fuse within the control box or check the connector pa...

Страница 58: ...X Y driver Heavy embroidery frame Disassemble the body of the thread sensing roller and clean the thread sensing roller and the bush bearing Check the contact status of the connector line on the tens...

Страница 59: ...eedle contamination i e adhesives attached on the needle resulting from appliqu work Conduct punching again on the design tape Conduct punching again after checking the design status Correct specific...

Страница 60: ...e up lever spring Replace the thread for high quality one Use the thread twisted in the left direction Z shape twist Adjust the tension Adjust the tension Adjust the tension and stroke of the thread t...

Страница 61: ...ratch and replace the part Adjust the distance Supply oil near the hook race Readjust the timing of the needle and the hook Readjust the lowest point of the needle Check the following areas Thread pas...

Страница 62: ...presser foot or the damaged presser foot spring so that the embroidery fabric moves along with the movement of the needle Replace the needle Use the appropriate size of the needle Properly install th...

Страница 63: ...the needle hole on the needle plate Adjust the tension of the upper thread Clean the main tension adjusting device and the auxiliary thread tension adjusting device on the thread tension adjusting pla...

Страница 64: ...ser foot pressure spring Replace the needle Use the needle of appropriate standards Check the fuse condition on the joint board Check the terminal for trimmer motor connection and replace the motor Ch...

Страница 65: ...e board on the rear side of the controller box Replace the sensor Remove the foreign materials around the sensor Adjust the location of the return sensor controller body Adjust the initial position of...

Страница 66: ...moving blade Adjust or replace the bobbin pressure spring of the bobbin case Clean the foreign materials in the thread guide of the bobbin case and check the scratch Replace the lower thread Check th...

Страница 67: ...ead holder s stroke Poor operation of the operational overload to the upper thread holder Check the conditions of the tightening screw for the moving blade and the tightening screw for the moving blad...

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