Sunstar Precision SWF G Series Manual Download Page 25

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5-9

5-7) UPPER THREADING AND TENSION ADJUSTMENT

1) Upper Threading

Upper thread stand

Thread tension

adjustment board

Sub thread adjuster

Upper thread

(from the upper

thread stand)

Thread detecting roller

Take-up spring stopper

Take-up spring

Rotary tension disk

Main thread tension

adjuster

Upper thread guide

Thread guide (upper)

Take-up lever

Thread guide (middle)

Thread guide (lower)

Upper thread holder

spring

Presser foot

Needle

[Fig.5-11]

Summary of Contents for SWF G Series

Page 1: ... LCD Monitor Operation S SU UN NS ST TA AR R P PR RE EC CIIS SIIO ON N C CO O L LT TD D MANUAL SWF G Series MULTI HEAD AUTOMATIC EMBROIDERY MACHINE M MM ME E ...

Page 2: ...THIS IS AN INSTRUCTION FOR SAFE USE OF MULTI HEAD AUTOMATIC EMBROIDERY MACHINES READ THOROUGHLY BEFORE USE ...

Page 3: ...HANGE BOX 5 8 5 7 UPPER THREADING AND TENSION ADJUSTMENT 5 9 5 8 LOWER BOBBIN THREADING AND TENSION ADJUSTMENT 5 12 5 9 BOBBIN WINDER 5 13 5 10 FLOPPY DISKS 5 16 5 11 IN AND OUT OF DESIGNS 5 17 5 12 RETURN TO PREVIOUS LOCATION IN UNEXPECTED BLACKOUTS 5 17 5 13 NEEDLE HOOK TIMING CONTROL 5 18 5 14 ASSEMBLY AND FUNCTIONS OF THREAD DETECTOR 5 23 CHAPTER 6 BASIC MACHINE OPERATION 6 1 CHAPTER 7 OPERATI...

Page 4: ...ER THREAD HOLDER 11 4 11 4 ADJUSTING HEIGHT OF THE PRESSER FOOT 11 5 11 5 CORRECT POSITION OF NEEDLE 11 7 11 6 ADJUSTING HALF TURN FILM FOR COLOR CHANGE 11 8 11 7 ENCODER ADJUSTMENT 11 8 11 8 JUMP SOLENOID ADJUSTMENT 11 9 11 9 ADJUSTING DRIVE BELT TENSION 11 10 11 9 1 X Y TIMING BELT 11 10 11 9 2 MAIN SHAFT MOTOR AND UPPER LOWER SHAFT BELT 11 10 11 10 ADJUSTING X Y SCOPE LIMITS 11 11 CHAPTER 12 TR...

Page 5: ...TION WARNING DANGER SAFETY RULES CHAPTER 1 ONLY TRAINED AND EXPERIENCED PERSONS FAMILIAR WITH THE RELEVANT SAFETY INSTRUCTIONS SHOULD HANDLE THE MACHINE MAKE SURE TO FULLY OBSERVE THE FOLLOWING INSTRUCTIONS 1 Using a Crane Make sure that the crane is large enough to hold the machine Use a nylon rope of sufficient strength Place a wooden block at either side of the machine before tying the rope The...

Page 6: ...ight of the machine approximately 3 5 ton 2 Air conditioning can eliminate dust and humidity that can cause pollution and corrosion of the machine Make sure your machine is regularly cleaned 3 Long exposure to direct sunlight can cause the paint of the machine to fade or change of the machine shape 4 Allow at least 50cm 20 inches of space on each side of the machine for convenient maintenance Plea...

Page 7: ...achine Wear shoes with non slip soles 03 Clear all persons from the machine before turning on the power 04 Keep your hands or head away from the moving parts of the machine such as needle hook take up lever and pulley when the machine is in operation 05 Do not remove the safety cover on the pulley or shaft when the machine is in operation 06 Be sure the main power is turned off and the power switc...

Page 8: ...r the arrow while the main shaft is rotating Physical injury may be caused by crevice Don t put your finger in a groove on the table Injury may be caused by moving needle Ensure that the machine is in a stop condition before changing threading or rethreading of needies or changing of needles Physical damage may be caused by interposition While embroidery frame is running according to the direction...

Page 9: ...or changing of needles CAUTION Safety cover refers to all covers near the operating parts of the machine Injury may be caused by winding Be sure to turn off the power before cleaning lubricating adjusting or repairing WARNING Fire or death may be caused by high voltage electric shock Don t open the cover except for service man assigned by SWF When open the cover turn off power and wait for 6 minut...

Page 10: ...Class A 2 2 ELECTRICITY INSTALLATION Check if the input voltage of the machine is in the right range of the voltage supply before installing or operating the machine The voltage required is as follows 1 Allowed range of voltage within 10 of the voltage set 2 Electric capacity and voltage consumption 3KVA 1 4 1 6 KW 3 Insulation resistance over 10M ohms measured with 500V insulation tester MACHINE ...

Page 11: ...ne front rear left and right Use a level gauge Check the voltage supply where the machine will be installed Install the cable away from the operator s work space to prevent accident or injury If the difference in heights of the four bolts is over 10mm place spacers beneath the lower adjusting bolts to make the heights even 2 Make sure to level the machine front back and left right Fig 2 2 Fig 2 1 ...

Page 12: ...l it touches the machine and turn additional 1 4 round Close the bolt with a nut Fig 2 3 Fig 2 4 Nut Supporting bolt CAUTION 1 The level gauge does not measure accurately on a pipe or a table CAUTION 2 The supporting bolt reduces machine vibration and balances the machine weight However avoid using the bolt too high which may lift the machine body Level gauge ...

Page 13: ...2 4 2 4 PERIPHERALS ASSEMBLY 1 Assembling Upper Thread Stand 2 Assembling Operation Box Fig 2 5 Fig 2 6 Thread holder structure Support Operation box Frame contact line FDD Spool plate ...

Page 14: ...r thread holder 10 Head 11 Thread tension adjustment board 12 Sub controller 13 X axis driving system 14 Y axis driving system 15 Bar switch 16 Frame 17 Main controller box 18 Operation box 19 X Y driver box 20 Main power switch 21 Lamp 22 Leveling base 23 Supporting bolt 24 Thread detector Front Back 4 9 13 21 14 12 16 2 7 24 11 10 6 1 5 23 19 17 15 20 22 8 3 18 Fig 3 1 Side ...

Page 15: ...tically returns to the offset point when the embroidery is finished to make it easier for you to switch the frames You can select AUTOMATIC OFFSET at PARAMETER SELECT MODE to move the frame automatically to the desired point making it easier to do appliques and to switch the frames 08 MANUAL OFFSET You can manually move the frame to the pre selected point to do appliques or change the frames durin...

Page 16: ...gns Both 2DD and 2HD disks can be used 16 EDITING You can delete change or insert stitch data and function codes jump finish trimming 17 INDIVIDUAL HEAD OPERATION You can work on the specific head with a broken thread 18 MACHINE STOPPAGE The screen will indicate why the machine has stopped 19 RPM The screen indicates rpm 20 FRAME SPEED SET UP You can adjust the frame speed to high medium or low 21...

Page 17: ... to input numbers when setting parameters Frame Movement Key Moves the frame left right up and down Frame Speed Button Sets the speed of the frame movement to low medium or high Main Shaft Speed Button Changes the speed of the main shaft during machine operation Press UP to increase and DOWN to decrease the speed Function Menu Selects the function displayed on the screen START STOP Fig 5 1 Front ...

Page 18: ...ork Lamp blinks when FDD is in operation COM2 serial port 2 Parallel port Keyboard connector VGA Card connector COM1 serial port 1 Back Fig 5 2 Fig 5 4 Bottom Fig 5 3 CAUTION CHANGING NEEDLE BAR WITH CL KEY If you want to change the order of the needle bar during operation Input the desired needle number and press CL ...

Page 19: ... initial stage Turn on the main power Press the emergency power switch blue color Emergency power switch will not turn on if the main power is off NOTE Emergency power switch detects emergency stop failures and prevents accidents Emergency power function detects the failure of the emergency stop function and prevents the machine from being switched on ...

Page 20: ...left Push to left again Frame moves backward in selected movement units see Note 2 Frame starts to move backward If you release the switch before the machine goes 10 of the selected stitches the machine will stop immediately the machine moves back in the selected movement units If you release the switch after the machine traveled 10 of the selected stitches the machine will continue to move back P...

Page 21: ...t and the machine will stop moving backward MACHINE OPERATION Select the desired function push the bar switch to right CAUTION NOTE 1 Inching refers to low speed embroidery at a 100 rpm range performed for stable stitching when the machine is re started after stop NOTE 2 Frame movement unit refers to the BK STITCH UNIT in SET UP 1 You can select from 1 to 10 stitches in the unit of 1 stitch BUTTON...

Page 22: ...nnot turn the lamp ON or OFF on the other heads using the toggle switch 3 Deletion of Thread Break Detection Function Poor function of the thread detecting roller due to foreign substances around it may result in wrong and frequent detections causing inefficiency of work In this case you can turn off the detecting function by turning off the toggle switch at the end of the thread tension adjustmen...

Page 23: ... bar turn the clutch 90 in the direction shown in Fig 5 8 Fig 5 8 CAUTION Head Clutch Arm The trimmer and the take up lever continue to move even when the needle bar is stopped by the clutch Avoid any operations i e threading the needle or changing thread Long time operation of the needle bar with the clutch may damage the bar controller ...

Page 24: ...am See Fig 5 10 The needle moves only when the both lamps blink which prevents machine errors due to incorrect needle position or color change failure Fig 5 9 Fig 5 10 Color change motor Needle set lamp Needle position lamp ON OFF ON ON Head Needle plate OFF ON OFF ON Roller Lamp and the curve of the color change cam Needle set lamp Needle position lamp Half turn film cover NOTE If any of the two ...

Page 25: ...Sub thread adjuster Upper thread from the upper thread stand Thread detecting roller Take up spring stopper Take up spring Rotary tension disk Main thread tension adjuster Upper thread guide Thread guide upper Take up lever Thread guide middle Thread guide lower Upper thread holder spring Presser foot Needle Fig 5 11 ...

Page 26: ...ad Guide Disk Pass through the middle of shaft Rotary Tension Disk Thread guide lower Upper thread holder spring Threading the sub tension adjuster Threading the main tension adjuster Threading the thread detector roller Threading around the needle Wrap the thread 1 5 times around the rotary tension disk in the groove Wrap the thread clockwise around the thread guide disk Wrap the thread once arou...

Page 27: ...n the take up spring affects the thread tension Turn the tension adjusting stud clockwise to increase the tension and counter clockwise to decrease the tension Adjusting stroke of the take up spring To adjust the stroke of the spring during embroidery work move the take up spring stopper to right or left as shown in Fig 5 15 Thread tension adjusting stud Correct Position of Take up Spring Incorrec...

Page 28: ...hread to tangle during stitching 2 Lower Thread Tension Adjustment Adjust the tension of the lower thread using the nut on the tension spring on the bobbin case Turn the nut clockwise to increase the tension and counterclockwise to decrease the tension CAUTION Direction of the Bobbin Rotation Make sure that the bobbin rotates clockwise when you pull the thread holding the bobbin case in your left ...

Page 29: ... 110V AC 220V Ceramic islet feed the thread through the hole Tension adjustment unit holder Nut fixes the thread holder stand Spool plate unit a plate on which spool is placed consists of spool plate plate nut plate sponge spool holder spool holder stand Thread adjustment device adjust the thread tension on the bobbin Thread holder stand Thread holder prevents the tangle of thread unraveled from t...

Page 30: ...rd MAX to increase the volume 4 Adjusting the Bobbin Winding Make sure to wind the thread parallel to the bobbin If not unfasten the screw on the thread guide body and adjust it left or right Adjust the thread tension on the bobbin using a tension adjustment screw Fig 5 20 Fig 5 19 Fig 5 21 CAUTION 1 Winding the bobbin as below may cause various problems i e thread breaks skipped stitches or threa...

Page 31: ...doesn t function check and replace the fuse or switch If the bobbin shaft doesn t stop replace the volume or TR1 on the circuit board If the machine doesn t START or STOP replace START switch or IC Use of incorrect voltage may cause the machine to malfunction with a thud sound Replace Q1 on the circuit board Model Name BW 02 Bobbin Winder 3 200rpm AC 110 220V 50 60Hz 10W 420 155 125 3 9kg 450 190 ...

Page 32: ...vy objects on the disks Do not remove the disk from the drive while formatting reading or writing the disk Do not open the cover of the disk drive Data cannot be written onto the write protected disks Repetitious reading and writing on a single disk may cause errors Save your important data on more than one disk for back up Fig 5 22 CAUTION You can use pre formatted disks but be sure to use disks ...

Page 33: ...py disk or a tape reader to read a design into the SWF machine You can write the design onto the floppy disks 5 12 RETURN TO PREVIOUS LOCATION UNEXPECTED BLACKOUTS Your SWF machine goes back to the location of stop to pick up stitching when the power comes back on after unexpected blackouts Fig 5 23 CAUTION Do NOT remove a disk from the drive while formatting reading or writing the disk Otherwise ...

Page 34: ...re changing it If the needle is not clear of the plate manually turn the main shaft with a hand lever to put the needle in the right location for change CAUTION DB K5 needle has an eye twice larger than that of DB1 used for normal sewing Use DB K5 for normal embroidery CAUTION Needle and thread most commonly used in embroidery are DB K5 11 and rayon yarn 120d 2 Fig 5 24 Needle Size Thread Size US ...

Page 35: ...needle bar Fig 5 25 Fig 5 26 Needle insert hole Front groove of the needle CAUTION 1 For special threads such as artificial silk turn the needle slightly to the right to prevent thread breaks see Fig 5 26 CAUTION 2 If the needle is not inserted all the way to the top of the needle bar hole timing of the machine will go off causing broken needles and thread breaks ...

Page 36: ...r the hook point is to the needle the hook point will be inside the loop and threading will be more stable Fig 5 27 Fig 5 29 Hook point 0 1 0 3mm Fig 5 28 Top point of hook circumference Top edge of needle eye Needle tip c b a Top edge of the needle eye Allowance gap Hook point Lower dead stop of the needle Hook point a At lower dead stop of the needle bar 2 3 3 7 mm 1 8 2 2 mm 0 5 1 5 mm The figu...

Page 37: ...ng Prevention of thread skips is important for stitching Adjust the hook point as close to the needle as possible to achieve perfect thread position If the thread breaks or if the stitches are unstable turn the needle slightly to the right NOTE Shape of the loop varies by the type of thread or fabric Unstable shape of the loop may result in skipped stitches The following pictures show different sh...

Page 38: ...l Stitching will be faster than the take up movement As a result the thread tension will be too loose upper thread loop will be too small and skipped stitches will occur CAUTION In normal hook timing the hook should be in the C range as shown in the picture below Fast Hook Timing Slow Hook Timing Fig 5 33 too small too large Fig 5 34 Fig 5 35 B C A Groove of the hook is in the B range The hook poi...

Page 39: ...Disassembling the Thread Detector You will need to disassemble the thread break detector unit to clean Remove the cover of the thread tension adjusting plate separate the cables and unfasten the roller base joint screw The entire unit will be disassembled including the rollers and bush bearing CAUTION Make sure to correctly place the thread detecting roller between the sensor groove and the film f...

Page 40: ...RAMETERS SELECT NEEDLE BAR NO YES see LCD Monitor Manual P 3 86 Auxiliary Work YES see LCD Monitor Manual P3 87 Work Location YES REPETITION Gauge Trace Length measure SET WORK POSITION PUSH BAR SWITCH TO START SET UP FRAME OFFSET DO YOU WANT REPETITION DO YOU WANT AUXILIARY WORK GAUGE ETC DO YOU WANT FRAME OFFSET READ IN DESIGN READ IN THE SET UP IS THE OPERATIONG SYSTEM IN MEMORY ARE F1 F2 F7 PR...

Page 41: ...7 1 OPERATION BOX CHAPTER 7 SWF AB Version NOTE Refer to Sun Star s LCD Monitor Manual SWF AB Version for details of the operation box ...

Page 42: ...URN ERROR Wiper does not return when trimming Check the wiper return system 207 TRIMMER DRIVER ERROR Error in the trimmer driver Turn the main switch OFF and ON again Move the frame in the Y direction 203 Y FRAME LIMIT Frame reached Y limit Move the frame in the Y direction Frame reached X limit Frame reached X limit Move the frame in the X direction Move the frame in the X direction ERROR CAUSE C...

Page 43: ...OTECTION TAB DAMAGED DISK NO SPACE IN DISK UNKNOWN DISK ERROR BAD SECTOR IN DISK BAD SECTOR IN DISK NO DISK IN DRIVE No disk in the drive Disk is not formatted or is of a different format No embroidery design in the disk Disk is write protected Damaged disk No space in the disk for copying Disk was removed during operation Bad sectors in the disk Bad sectors in the disk Unknown disk error during o...

Page 44: ...e for data storage Memory is full Error during copying deletion in memory Battery worn out during power off Contact the nearest SWF dealer and replace it RESET or turn the power OFF and ON again Delete unnecessary data Delete unnecessary data Save the data in memory using disk or tape ERROR IN DATA READ NO NETWORK DEVICE FOUND Error in data read from the tape reader Network device is not connected...

Page 45: ...250V 15A Fuse for picker solenoid 250V 2A Fuse for external outlet 250V 2A Fuse for wiper motor 250V 1A Fuse for color change motor SMPS for control power SMPS for jump solenoid Power supply for picker solenoid CONTROL BOX CHAPTER 9 F3 F4 F5 F6 F7 Fig 9 1 Inside Control Box external outlet ...

Page 46: ...9 2 9 1 2 Outside the Control Box Power supply terminal for tape reader and winder Fuse for picker solenoid Fig 9 2 Outside the Control Box ...

Page 47: ...rheat Error in Servo processor Recovery error Memory error Batter error valid only for absolute value encoder Error in driver or motor Driver error or mechanical overload Error in driver Error in driver power voltage Error in parameter setting motor Error in power voltage driver Error in driver error wiring parameter setting motor power voltage Error in driver power voltage Error in driver power v...

Page 48: ...T Dip switch plate Heatproof plate Cooling fan Set the rotary switch 1 at no 4 the default dip switch set the rotary switch 2 at no 0 main power lamp green light indicates normal and red light indicates a driver error RESET press to reset the driver when the main power lamp turns red On Off 1 2 3 4 Front ...

Page 49: ...Back CN1 power connector for motor CN2 main power connector DC310V CN5 power connector for cooling fan no connection CN3 power connector for motor control CN4 power connector for motor control signal cable ...

Page 50: ...und the hook 4 Upper parts of X Y driver pulley and timing belt How to Clean Unscrew and open the stainless cover so X Y driver belt shows Blow off the dust on the teeth of the timing pulley and the timing belt turn the pulley around once Close the cover and reassemble after cleaning Around the movable blade and the fixed blade Guide rail to the take up lever Every day Once a week Once a month Onc...

Page 51: ...10 2 Fig 10 1 Hook Guide rail to the take up lever Trimmer motor box Fixed blade Lower thread holder Movable blade ...

Page 52: ...2 1 2 3 4 Take the bobbin case out of the hook Feed small amount of oil on the raceway Needle bar and needle bar shaft Inside the arm Guide rail to the take up lever Once a day Once a week Once a week Once a week Where to Oil Oiling cycle Ref Fig No CAUTION Make sure to turn the power OFF during oil supply SunStar is not responsible for machine damages or wear outs caused by the operator s insuffi...

Page 53: ...ge cam Hook gear and lower gear in the rotary hook base Trimmer driver link and trimmer driver shaft bushing Once in 6 months Once in 6 months Once in 6 months Once in 3 months Where to Grease Greasing cycle Reference Fig NO Make sure to turn OFF the main power during the grease supply CAUTION Fig 10 3 Trimmer cam box Lower shaft Rotary hook base Color change cam box Color change cam Motor gear Ha...

Page 54: ...CATUION Do NOT grease the parts not indicated needle bar hook etc Fig 10 4 1 Head drive LM guide Once a month Where to Grease Greasing cycle Reference Fig NO Turn OFF the main power during the grease supply CAUTION Head drive LM guide upper cover opened ...

Page 55: ... direction of the arrows in the picture below CAUTION Turn OFF the main power when inspecting drive belt tension No 1 2 3 4 Location for inspection Belt on main shaft motor Upper lower shaft belt X axis timing belt Y axis timing belt Inspection cycle Once in 3 months Once in 3 months Once in 3 months Once in 3 months Inspection cycle Belt tension Belt crack Belt wear out Bearing damage Wear outs o...

Page 56: ...just Fasten the screws back after adjustment 11 1 2 Adjusting Space between Movable Blade and Hook To adjust a space between the movable blade and the hook remove or insert a spacer t 0 1 between the blade base and the hook base In the case of spacer removal make sure to check if the hook does not interfere with the movable blade MAJOR MACHINE ADJUSTMENTS CHAPTER 11 The movable blade is started by...

Page 57: ...ually move the movable blade and adjust that it crosses in parallel with the cutting line of the fixed blade from its entry point to its return point Fig 11 3 Crank screw Movable blade crank Movable blade Movable blade Fixed blade Fixed blade Tension adjusting screw L wrench NOTE Avoid excess cross tension Excess tension may cause errors or wear out of the movable blade from overload at its entry ...

Page 58: ...ure that the sensor unit does not interfere with the operation of the sensor see picture B of Fig 11 4 11 2 PICKER ADJUSTMENT Incorrect position or volume of the picker may result in failures of separation of the upper and lower thread trimming of both threads and short upper thread after trimming Adjusting picker position Manually move the picker so it touches the bobbin Unfasten the picker screw...

Page 59: ... sensor is 1 1 2mm from the upper head of the sensor screw Make sure to check if the wiper return sensor turns on If the wiper does not move well unscrew the driver link and adjust the wiper lever up and down Unfasten the bracket screw so there is lesser overload from upper thread holder bracket Adjust and fasten the bracket back at the point where the wiper moves well After adjustment run the col...

Page 60: ...s and turn it clockwise to stop the operation 1 Relationship between Presser Foot and Needle Embroidery Material For stable stitching the presser foot must be pressing the embroidery material before the needle pierces into the material The same is true for when the needle comes out of the material 11 4 ADJUSTING HEIGHT OF THE PRESSER FOOT Fig 11 10 Presser foot Embroidery material Needle out Needl...

Page 61: ... making a gap between the fabric and the needle plate This may cause thread breaks skipped stitches or unstable stitching 3 Adjusting the height of the presser foot Check the relationship between the presser foot the needle and the embroidery material Turn the main shaft with the lever Remove the head cover lower and remove the adjusting rubbers to the level of the desired height of the presser fo...

Page 62: ...o set the shaft at around 130 Position the needle at the lower dead stop and check if the needle is at the center of the needle hole on the plate If the needle is not in the correct position unscrew the brackets 2 screws and adjust the head see Fig 11 14 CAUTION Check the needle position of the first and the last needles on all heads Fig 11 14 L wrench Bracket screws Head Needle plate Needle plate...

Page 63: ... on the plate as shown in Fig 11 15 11 7 ENCODER ADJUSTMENT Adjust the encoder as below if the needle bar stops at an incorrect position Unfasten the two screws on the upper shaft of the coupling connected to the encoder Manually fix the upper shaft angle at around 98 by turning the main shaft lever Adjust the encoder as shown in Fig 11 16 Tighten the coupling screws when FIX POS light turns red o...

Page 64: ...olenoid screws and the controller will not return resulting in needle bar stop If the distance is shorter the needle bar controller will continue to hold needle even during the jumps resulting in bad jumps 2 Adjusting the position for installation assembling solenoid installed bracket to base plate Adjust so that the bracket is 1 5mm from the surface of the base plate as shown in Fig 11 18 Fasten ...

Page 65: ...ng tension on main shaft motor belt Tension on the main shaft motor belt should measure 5 6mm drop of belt when you press the middle of the belt span with 11kg force Fig 11 20 To adjust the tension unfasten the motor bracket 3 screws and turn the tension adjustment bolt Fasten the bolts to increase and unfasten to decrease the tension 2 Adjusting tension on upper lower shaft belt The upper lower s...

Page 66: ...e After adjusting the X origin turn on the main switch and press the X frame movement key on the operation box When the frame reaches the limit of the X scope interval between heads ex 330 300 275 240mm see FRAME X on the screen turn off the machine Fix the position of the limit sensor on the right of the cam roller guide as shown in Fig 11 24 Fig 11 23 Fig 11 24 Origin detecting sensor 1mm X axis...

Page 67: ... After adjusting the Y origin turn on the main switch and press the Y frame movement key on the operation box When the frame reaches the limit of the Y scope fix the position of the limit sensor on the back of the Y axis cam roller guide as shown in Fig 11 26 3 After adjustment turn on the power and select MACHINE MAINTENANCE in the main function menu and FRAME ORG in the sub menu to check if the ...

Page 68: ...s and push it to the end of the X axis Move the frame to 480mm see FRAME X on the screen and fix the limit switch on the right as shown in Fig 11 27 CAUTION When fixing the X Y limit switches unfasten the screw so that the switch board can pass smoothly over the switches Turn OFF the lamp on the tension adjustment boards of the even number heads when using odd even number heads Fig 11 27 DANGER Ma...

Page 69: ...motor and change fuse Run manual color change and check if signal lamps needle set lamp needle position lamp blinks at correct needle position Adjust the half turn film Move frame back to within the limit Check limit switch Check wire connection of bar switch Adjust belt tension Adjust encoder position or change encoder Inspection Repair Check main driver belt X Y timing belt See 11 6 p11 8 See 11...

Page 70: ...edle position Adjust the half turn film Set it to the correct position Adjust so take up lever is in line with the other levers in the stop position upper shaft angle 100 Change fuse in control box or check connector connection Inspection Repair Set main shaft angle back at 100 if you manually moved it for cleaning inspection or repair See11 6 p 11 8 Adjusting position of take up lever Unscrew the...

Page 71: ... rail Failure of X Y driver Heavy load on frame Disassemble the roller and clean the roller and bush bearing Check board connection and change the circuit board Change front fuse in controller box Check wiring and change jump motor Check connection Change switch and circuit board Correct tape Adjust tension Clean the rail Change circuit board Reduce speed of main shaft rotation Inspection Repair C...

Page 72: ...height direction etc Dirty needle adhesive etc Re punch design tape Re punch after checking design Correct the stitches on operation box Change needle adequate for thread Change needle Re install needle Clean or change needle and hook Inspection Repair Check design Refer to LCD Monitor Manual See 5 13 2 p 5 18 See 5 13 3 p 5 18 Use minimum adhesives in applique work Reference Thread breaks ...

Page 73: ...on take up spring Change to good quality thread Change to left twisted thread Adjust tension Adjust tension and stroke Inspection Repair Selecting thread Select soft tight and stable thread with even thickness and left twist Z twist left S twist right Left twist prevents unraveling of thread in the counterclockwise rotation of the hook See5 7 2 p 5 10 See 5 8 2 p 5 12 See 5 7 3 p 5 11 Reference ...

Page 74: ...ight of presser foot does not press the work material Remove dent or change the case Adjust space Oil the raceway of hook Adjust timing Adjust the lower dead stop Check Thread path in presser foot Around needle hole on needle plate Thread guide on the head Thread path in tension adjuster Fix the material firmly Adjust height Inspection Repair Check rotary hook Set the space at 0 5 0 7mm for smooth...

Page 75: ...sive tension or stroke on the take up lever spring Fabric moves with needle weak or damaged presser foot spring Change needle Adjust installation Adjust timing Adjust lower dead stop Use whetstone to adjust hook point or change hook Adjust thread tension For lower thread change bobbin or bobbin case Select right thread for embroidery Adjust stroke or tension Change presser foot spring Inspection R...

Page 76: ...s the needle hole on the plate Adjust upper thread tension Clean main and sub tension adjusters in the thread tension adjusting plate Adjust tension Clean bobbin case and check tension on bobbin spring Change to quality thread Adjust timing Oil the raceway of hook Change needle Space the needle and the hook point Correct the installation Check if needle plate is unscrewed Adjust the position of th...

Page 77: ...mer driver box Adjust tension Change presser foot spring Change needle Use adequate size of needle Check and change fuse in joint board Check and change trimmer driver motor Check connection Address the error and press RESET to turn the light green Inspection Repair See 5 7 p 5 9 See 5 8 p 5 12 SWF D needle holes are 2 0mm large SWF specification for needle thread are Check fuse spec 1 3 phase 250...

Page 78: ...round the sensor adjust location of the sensor unit Adjust insert angle of movable blade 295 Adjust the distance Adjust picker position Check and change fuse Check change solenoid and solenoid connection Check connection and change circuit board at the back of the control box Adjust upper thread tension remove dent using whetstone or sandpaper or change movable blade Inspection Repair See 11 1 4 p...

Page 79: ...ange lower thread check upper thread tension set LONG or MEDIUM length of trimmed thread in SET UP 3 set MEDIUM or SHORT length of trimmed thread in SET UP 3 if upper thread is held due to narrow velcro space in upper thread holder clean the velcro Check screws and crank driver clamp screws of the movable blade Check tension of fixed blade Change movable blade Adjust the position of movable blade ...

Page 80: ...strokes of upper thread holder Upper thread holder overloaded Change front fuse in controller box or check connection Change joint board Adjust stroke Adjust the workload Inspection Repair Check fuse spec 250V 2A See 11 4 p 11 3 Reference Failure of upper thread holder motor Failure to hold upper thread ...

Page 81: ...ed to the oiling place disregard the following and grease directly with the device Greasing the head drive LM guide 1 Disassemble the frame from the table 2 Unscrew and open the stainless cover 3 Push the LM guide block to the farthest front of the machine 4 Lift the timing belt with one hand and grease the grooves on both side of the LM guide and the head of the screw 5 After greasing close the c...

Page 82: ... LM guide rail Close the cover Fig 13 3 Upper shaft cover Upper shaft cover screw LM Guide Rail grease inside Fig 13 2 Timing belt Timing belt Timing belt Timing belt Where to grease Where to grease Where to grease Where to grease 2 sides of the LM guide rail Y axis X axis 2 sides of the LM guide rail ...

Page 83: ...3 3 13 4 GREASING CYCLE Grease the LM guide rail once every 30 days 13 5 GREASE SPECIFICATION Use a lithium grease JIS No 2 Albania No 2 13 6 PRECAUTIONS Do NOT grease the needle bar and around the hook ...

Page 84: ...14 1 BLOCK DIAGRAM CHAPTER 14 MULTI HEAD AUTOMATIC EMBROIDERY MACHINE BLOCK DIAGRAM ...

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