User`s Manual
Contents
1. 2 is removed from the hook 3 when you grab and pull the bobbin case handle 1 The bobbin is separated when you release the handle 1 In case of inserting the bobbin case 2 grab the handle 1 and insert b Inserting lower thread Refer to Figure 11 Insert the bobbin to the bobbin case 2 Then insert the thread to the thread groove and place it under the tension adjustment plate spring 6 c Adjusting lower thread tension Refer to Figure 11 The lower thread tension becomes stronger by turning the tension adjustment screw 7 clockwise and it becomes weaker by turning the screw counter clockwise Adjust the lower thread tension to a degree that the thread get loosened by its own weight when you fall the bobbin case 2 grabbing the end of the thread KM 390BL 222220 S Figure 12 Figure 13 a Removing bobbin Place the needle in the highest position and then like in Figure 12 open the sliding plate and lift the bobbin holder to remove the bobbin b Inserting lower thread Insert the bobbin winded up by thread into the bobbin case 2 As in Figure 13 pull out the lower thread by passing thread through part of the thread path and under the tension spring plate 8 Then Pull the thread end through the gap 5 between the hook 2 and the opener 4 The adequate length of the pulled out lower thread over the sliding plate 7 1 50mm c Adjusting lower thread tension Like in Figure2. A Confirming oil tank KM 380BL 390BL In case of oil tank installed in the upper part of arm supply oil to the level of the marked line 1 after opening the cover 2 Refer to Figure 1 Figure 1 2 Lubricating each friction part Be sure to supply oil into the oil holes marked red arrow marks and the oil holes in the friction parts before operating the machine 380BL 390BL y 390BL Figure 2 Figure 3 a d pe 46 390BL Figure 4 Figure 5 KM 380BL KM 380BL 390BL Figure 6 Figure 7 KM 380BL Figure 8 SunStar 3 Machine Adjustment gt Always turn off the power when mounting a needle If the operator mistakenly steps on the pedal while the power is on the machine will start automatically and can result in physical injuries When using clutch motor be aware that the motor will continue to rotate for a while even after the power is switched off due to inertia Start to work on the sewing machine only after the motor has come to a complete stop 1 Inserting needle KM 380BL 390BL As in Figure 9 move the needle upper end so that it directly touches the upper side of the stopper hole when the groove 1 of the needle is inserted facing left Then use the fixing 3 to fix the position of the needle Figure 9 Turn off the power when adjusting the lower thread te
3. 13 turning the tension adjustment screw 6 clockwise makes the lower thread tension winded to the bobbin stronger and counterclockwise makes it weaker SunStar Turn off the power switch when routing the upper thread If the operator mistakenly presses down on the pedal while switched on the machine will start automatically and can cause physical injuries When using the clutch motor be aware that the motor will continue to rotate for a while even after the power is switched off due to inertia Start to work on the sewing machine only after the motor has come to a complete stop 5 Routing upper thread KM 380BL 390BL Place the thread take up lever to the highest position and hang the upper thread like in Figure 14 Figure 14 6 Adjusting upper thread tension KM 380BL 390BL A Adjusting the upper thread tension Like in Figure 15 turning the tension adjustment nut 1 of the thread tension control assembly clockwise makes the upper thread tension stronger and counterclockwise makes it weaker B Adjusting the thread take up a Adjusting the thread take up stroke As in Figure 15 loosen the stopper fastening screw 2 and turn the thread take up spring stopper 3 counter clockwise to make the operational scope of the thread take up spring 4 bigger and clockwise to make it smaller good swing Figure 15 13 b Adjusting the thread take up spring tension As in Figure 15 loosen the sh
4. SECTION 8 8 24
5. correctly and Needle is inserted into wrong position n needle place closely it to its highest position Needle is bent Change the needle Timing of feed dog Bad timing of feed dog Adjust the timing of feed dog 1 Needle break Bad timing of needle and hook Adjust the timing of needle and hook Height of needle Bad timing of needle and hook Adjust the timing of needle and hook Bad timing of needle and hook Adjust the timing of needle and hook Threading method Wrong threading Thread the needle correctly Bent needle or broken needle tip Change the needle 33 Needle inserted in the wrong position Insert the needle correctly 2 Thread breaks Upper thread tension Too tight upper thread tension Reduce tension of upper thread Lower thread tension Too loose lower thread tension Reduce tension of lower thread Working capacity of take up lever spring Loose upper thread Adjust take up lever spring reader Upper and lower thread tensions are Adjust the upper and lower thread bad tensions 3 Poor thread Thread take up spring Thread take up spring tension is Adjust the thread take up spring adjustment tension inadequate tension Gap between opener The gap between the opener and Adjust the gap between the opener and hook hook is inadequate and hook Direction and height of 4 Heinsert the needle correctly and Needle is inserted into wrong position needle push in to i
6. the wooden box D Because machines are apt to be contaminated and corroded by dust and moisture install a climate controller and clean the machines regularly C Keep the machine out of direct rays of the sun d Keep both sides and the backside of the machines at least 50cm from the wall to secure enough space for repair Don t run the machine near places with any danger of explosion Don t run the machine near places with any danger of explosion including places where sprays like aerosol are used in large quantities or oxygen are dealt with unless the exact actions concerning the operation are guaranteed to avoid the explosion D Illuminators do not come equipped with the machine due to machine s characteristics So users should install the lighting apparatus around the working area Note The details about the installment of the machine are described in 2 Installation If in need of troubleshooting call a trained A S engineer who has been educated by Sunstar Be sure to turn the power off before cleaning and repair And wait for about 4 minutes until the machine discharges completely 5 Part of or the entire machine should not be modified without any consultation with our company Such modification could threaten the safety in operating the machine C In case of repair change the damaged part into the genuine part of our company After repair cover the machine with the safety cover that was removed f
7. 0 AM SHE MAAS LIM 36022 Specification 1 Sewing machine KM 380BL E Sewing speed Max 2 200 spm Stitch length Needle DP x17 18 11 23 DP x17 23 11 23 Vertical large hook Horizontal large hook Gap in height between main 2 55 and sub presser foot Presser foot lift By Hand 10mm By Knee 15mm 2 Installation Plug in after the installation is complete If the operator mistakenly steps down on the pedal with the pug in the machine will start automatically and can cause physical injuries Connect the ground earth wire An unstable connection may result in an electric shock or a malfunction Use both hands when bending the machine backwards or returning it to the normal position Using only one hand can lead to severe hand injuries due to the weight of the machine SunStar Do not plug in only before oil supply is finished If the operator mistakenly steps on the pedal with the plug in the machine will start automatically and can cause severe injuries When handling lubricants wear protective glasses or gloves to avoid contact with your eyes or skin Inflammation may be caused otherwise Never drink lubricants since they can cause vomiting or diarrhea Keep out of the reach of children Operate the machine only after adding oil when the machine is being used for the first time or has been left unused for a long time 1 Confirming oil supply
8. 4 Refer to Figure 20 When the needle goes downward When the needle goes upward Figure 20 11 Adjusting feed dog height KM 380BL a Bend the machine so that its lower side of bed revealed and adjust the pulley to place the feed dog at the highest point b Loosen the screw 2 and adjust height by moving vertically the feed dog 1 The standard position of the maximum height of the feed dog is Imm from the upper side of needle plate c When the height adjustment is complete fasten tightly the screw 2 Figure 21 KM 390BL a Turn the pulley to place the feed dog D to the highest point As in Figure 22 move up and down the feed dog with the feed dog fixing screw 2 and the eccentric collar fixing screw 3 are loosened The standard position the feed dog is Imm from the upper side of needle plate by moving the feed dog up and down b When the adjustment is complete fasten tightly the fixing screw 3 with the eccentric collar 4 is closely contacted with the lower part of feed dog Figure 22 SunStar 12 Timing of needle plate needle and feed dog KM 380BL D Locating the feed dog and the needle plate Loosen the screw 1 in Figure 23 Adjust the location of the feed dog so that the gap between the feed dog and the needle plate before and after the movement is same And adjust the feed dog movement to maximum b After the adjustment fasten the screw 1 2 Location o
9. O LTD 5 Safety rules Tor machines irri na oa 4 1 9 8 5 2 InstallatiOD 8 1 Tr P 9 2 AAI CAL cach 5 511 9 d Machine RD RR UR RE 11 By ES UNIS Hee 0 casero sc O 11 2 Inserting lower thread to DODD IN eodd ue 11 2 Adjustment ot insertmne lower 11 4 Inserting lower thread DO 12 Nt 13 6 Adjusting upper thread ESTIS TOTIS 13 DIeSSEE TOOL Gb eue fT ape P 14 S Adjusting
10. SunStar E sharers mian ot I eed e vont mmn KM 390BL sp a 9 z 1 gu 9 SunStar KM 380BL SUNSTAR MACHINERY CO LTD User s Manual 38081 1 needle unison feed lockstitch cylinder bed type sewing machine with vertical large hook KM 39081 1 needle unison feed lockstitch cylinder bed type sewing machine with horizontal large hook pa n td In vani rd p venen 1 For proper use of the machine thoroughly read this manual before use 2 Keep this manual in a safe place for future reference in case the machine breaks down MME 050629 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 Please read this user s manual thoroughly before using the machine Make sure to properly use the machine to enjoy its full performance The specifications of the machine are subject to change aimed to enhance product performance without prior notice This product is designed manufactured and sold as an industrial sewing machine It should not be used for other than industrial purpose SUNSTAR MACHINERY C
11. a Remove the needle and take the timing belt 1 off b Place the thread take up to the highest point by turning the pulley and coincide the arm marked point 3 with the marked point 5 on the pulley ring by turning the pulley ring 4 c In this state turn the timing lower pulley 6 to adjust the red baseline 7 on the bed to the red baseline 8 of the timing lower pulley Then put the timing 1 d Check after the adjustment if the end of needle descends and coincides with the upper side 10 of needle plate when the upper side 9 of feed dog is ascending and coincided with the upper side 0 of needle plate Highest point of 8 thread take 13 Adjusting timing of needle and hook KM 380BL a Place the stitch to 0 and turn the pulley to place the needle bar to its lowest point Later like in Figure 26 ascend the needle by 2 4mm so that the gap between the upper side of thread hole of the needle and the hook point 1 adjusted to 2mm by loosening two fixing screws After adjusting the needle and the hook point to be around 0 05 0 1mm by moving the hook 2 from side to side fasten tightly two fixing screws 1 KM 390BL a Place the stitch to 0 and turn the pulley to place the needle bar to its lowest point Later like in Figure 27 ascend the needle by 2 3mm so that the gap between the upper side of thread hole of the needle and the hook point D is adjusted to 2mm by loosening three fixing scr
12. aft screw 5 of the thread adjustment assembly and insert the driver into the groove of the thread tension control assembly shaft 6 Turn clockwise to make the spring tension 4 of the thread take up stronger and counter clockwise to make it weaker c Adjusting operation timing of the thread take up spring As in Figure 15 loosen the stopper screw 7 and turn the thread take up spring gauge 8 clockwise to make the operation timing of the thread take up spring 4 faster and clockwise to make it slower Caution p After disassembling and adjusting a safety device always place it back to the original position and check whether it functions as intended Use both hands when pushing the machine backward or returning it to the original position Due to the weight of the machine your hand can get stuck in the machine if you should slip When adjusting the machine with the switch on be sure to pay extreme caution to the safety Only trained engineers must perform repair or inspection of the machine For electrical repair or inspection always consult with qualified technicians or agent 7 Adjusting presser foot pressure KM 380BL 390BL Turning the tension adjustment screw clockwise will make the Strong 7 Weak presser foot pressure stronger and counter clockwise to make it weaker Refer to Figure 16 Figure 16 8 Adjusting forward and reverse stitch length KM 380BL 390BL a The stitch length adjustment is fi
13. arning and caution Failure to follow the safety rules may result in physical injuries or mechanical damages The safety labels and symbols are defined as follows The meaning of the safety labels Instructions here shall be observed strictly Otherwise the user will be killed or suffer severe physical injuries Instructions here must be observed or the user could suffer fatal or severe physical injuries Instructions here should be observed or the user could face physical injuries or mechanical damages The meaning of symbols This symbol means a must not This symbol means a must for safety This symbol means that an electric shock may be caused if the instruction is not followed properly 1 1 Machine mobilization 1 2 Machine Installation Caution 1 3 Troubleshooting SunStar Only personnel with a full understanding of the safety rules should move the machine The following directions must be observed when transferring the machine 8 At least 2 persons should move the machine together D In case the machine should be transported wipe the oil covered on the machine to prevent accidents Because physical damages such as the machine s dysfunction and breakdown are likely to occur depending on the environment in which the machine is installed the following preconditions must be met 8 Please unpack the machine package in order from the upper side Be particularly careful of the nails in
14. d the bracket fixing screw 4 in Figure 19 Adjust vertically the bracket fixing screw 4 so that the sub presser 1 goes up by 10mm from the upper side of the needle plate when the presser bar lifter is up When the adjustment is finished fix tightly the bracket fixing screw 4 and adjust adequately the pressure adjustment screw After adjusting the sub presser foot height adjust the upper feed presser foot b Adjusting the upper feed presser foot With the presser bar lifter 3 is put loosen the crank fastening screw 5 and place the needle at the highest point Adjust up and down the upper feed foot presser 2 height in accordance with material When the adjustment is finished fix tightly the clamp fixing screw 5 and make sure the timing adjustment state explained in the article 10 of page 16 15 10 Adjusting timing of sub presser foot upper feed presser foot and needle KM 380BL 390BL When the needle 1 goes downward the upper feed presser foot 3 should already be contacted with the feed dog 2 before the end of needle touches with the upper side of feed dog 2 And when the needled goes upward and the end of needled removes from the upper side of feed dog 2 the upper feed presser foot should be contacted with the feed dog 2 In case that these timings are not coincided loosen 2 presser foot vertical movement cam fixing screws 5 and adjust from side to side the fixed position of vertical movement cam
15. eeded to during operation b Thread take up spring cover A device to prevent the human body from touching the thread take up spring C Belt cover A device to prevent hands feet and clothing from getting jammed by the belt Finger guard A device to prevent fingers from contacting the needle SunStar 1 6 Position of Caution is attached to the machine for safety Caution Mark In case of starting to run the machine read the directions of Cautions carefully CAUTION Position of Caution Mark AN Do not operate without finger guard and Safety devices Before threading changing bobbin and needle cleaning etc switch off main switch ANS HSMM WAFA HO Sm CAUTION 1 Hazardous voltage will cause injury Be sure to wait at least 360 seconds before opening this cover after turn off main switch and unplug a power cord 99 ZANE 7s 4 We AAS deu S8 gl LIA 30521 70 1 7 Content of CAUTION IN o m Do not operate without finger guard and safety devices Before threading changing bobbin and needle cleaning Caution etc switch off main switch Sri 801 SAIS MEO ANTE H SAAS CAUTION Hazardous voltage will cause injury Be sure to wait at least 360 seconds before opening this cover after turn off main switch and unplug a power cord 01
16. everse lever up and down Figure 29 KM 390BL The standard is when No 2 fixing screw of the feed cam and the upper shaft marked line 2 are coincided as in Figure 30 after placing the thread take up to its highest point 16 Adjusting safety assembly Figure 30 KM 390BL If the load occurs by foreign substances on thread needle etc during the sewing operation the driving ball 1 of safety assembly in Figure 30 is removed to prevent damage of the hook and other major parts from the load and the pulley and the clutch plate 3 on the safety assembly are removed Then the driving force of timing belt on the upper shaft does not delivered to the lower shaft so only the pulley 2 of safety assembly rotates idly In case that the safety assembly starts operating during the Work turn power switch off and remove causing factors of load Later with safety button 4 pressed turn the pulley to place the driving ball 1 of safety assembly to its original position Adjust the intensity of the safety assembly spring 5 by rotating three safety assembly adjustment screws 6 from side to side in accordance with working conditions Turning the screw to left makes the intensity stronger and right to make it weaker Make sure to give same pressure Figure 31 on the three screws 19 4 Causes of Trouble and Troubleshooting 1 Sewing machine troubleshooting Direction and height of 2 Heinsert the needle
17. ews b Loosen the two fixing screws 3 and adjust it from side to side so that the clearance between the needle and the hook point D to be about 0 05 0 1mm c After the adjustment make the gearing between the hook shaft gear and the lower shaft gear 5 to maintain proper clearance and fasten tightly the three fixing screws 2 Figure 25 Thread hole Hook point 0 05 0 1 Figure 26 Needle Hook point Zep DG 0 05mm 0 1mm Figure 27 SunStar 14 Adjusting clearance between hook and opener KM 390BL Loosen the fastening screw 3 and adjust the opener 2 from side to side so that the clearance between the hook and the opener 2 to be 0 2mm when the opener 2 is pulled to its maximum to the direction of arrow as shown in Figure 28 When the adjustment is finished fasten tightly the fastening screw 3 Figure 28 1 5 Assembling feed cam Feed cam A Feed cam KM 380BL The standard is when the No 1 fixing screw D of the feed cam the center of No fixing screw 2 of the feed cam and the center 3 of the crank rod lubricating hole are being coincided in one straight line like in Figure 29 after fixing the needle to its lowest point 6 K eq In this state turn the pulley to raise needle and make the end of NA C N 27 hook and needle cross After that feed dog and needle do not move when moves r
18. f the needle hole and the needle on the feed dog a While descending the needle bar by turning slowly the pulley check if the needle is descending toward the center of the needle hole on the feed dog b If the needle does not descend toward the center of needle hole on the feed dog Make sure if the screw Qin Figure 23 is fastened tightly to the V groove on the shaft b After loosening the screw 3 hold the lower part of the needle bar frame to adjust it to the correct location c When the adjustment is finished fasten tightly the screw 3 Figure 23 KM 390BL D Locating the feed dog and the needle plate Loosen the screw 1 in Figure 24 Adjust the location of the feed dog so that the gap between the feed dog and the needle plate before and after the movement is same And adjust the feed dog movement to maximum b After the adjustment fasten the screw 2 Location of the needle hole and the needle on the feed dog While descending the needle from its highest point by turning the pulley manually check if the needle is descending toward the center of the needle hole on the feed dog If the needle does not descend toward the center of needle hole on the feed dog loosen the screw 2 and hold the lower part of the needle bar frame 3 to adjust it to the correct location When the adjustment 18 finished fasten tightly the 0 Figure 24 17 3 Adjusting the timing of the needle and the feed dog
19. fixed knives and fixed knives Trimming cam timing The timing of trimming cam is wrong Adjust the timing of trimming cam Thread release stroke Thread release stroke is too small Readjust the thread release stroke Trimming timing Wrong trimming timing Adjust the trimming timing Opening of the thread The opening on the thread tension Adjust the thread release stroke tension adjusting plate control plate is too small Tension of auxiliary thread tension adjustment assembly Thread take up stroke Thread take up stroke is too large Adjust the thread take up stroke Thread release adjustment volume on Volume is adjusted to too low Increase the volume adjustment the control box Too short thread length after trimming Too strong tension on the auxiliary Adjust the tension of the auxiliary thread tension control assembly thread tension control assembly 21 545 77 NB 5 is EEL LLL 5 1180 SECTION L 2 Mg GQ GG K ww 5 Table Drawing 1 KM 380BL 22 a SunStar 545 23 777 77 211144 e SECTION 2 KM 380BLB 3 KM 390BL 2 1920101 Depth30 c 4 Nm 118 2 0 15 j45t0 2i pone 3 Treat keepi 77 LLLLLL L L LLL gt
20. forward and reverse stitch ER EE RR ER VR cd dp pare 14 9 Adjusting sub presser foot and upper feed presser TOOL 15 10 Adjusting timing of sub presser foot upper feed presser foot and needle sess 16 feed dO 16 12 Timing of needle plate needle and feed pA 17 13 Adj sting timing of n edle and 18 14 Adjusting clearance between hook and 19 PSS MOLY eioan Eiraan na 19 satoi ER E 19 4 Causes of Trouble and 20 20 5 Table R RR Rr RD RU RI E ERES ERE RE RT RR 22 iB 375 0 c 22 SUEDE 23 TERE M X 24 Safety Rules for Machines Safety labels in the manual are categorized into danger w
21. nished when you coincide the indication line of the pipe 2 with your desired stitch length on the gauge using the b Turning clockwise makes the stitch length smaller and counter clockwise makes it bigger c When the reverse stitch length is needed pull downward the lever 3 Refer to Figure 17 Figure 17 14 SunStar 9 Adjusting sub presser foot and upper feed presser foot KM 380BL 390BL It is normal that both auxiliary presser feet 1 and upper feed presser foot 2 more up and down to the same height Take the following steps either to adjust the stroke of both to be the same or to make one of the two adjusted lower or higher depending on sewing materials A Adjusting the strokes of both to be the same Figure 18 a The vertical running range of sub presser foot 1 and the upper feed presser foot is from 2 to 5 5 mm b Loosen the nut 3 to adjust vertically in accordance with material s condition Refer to Figure 18 Placing the nut 3 to upper position makes the movement bigger and to lower position to make it smaller c When adjustment is complete make sure the timing adjustment state explained in the article 10 of page 16 B In case of adjusting differently the movement of the sub presser foot and the upper feed presser foot Figure 19 a Adjusting the sub presser foot Loosen the presser bar pressure adjustment screw in Figure 16 on page 14 an
22. nsion If the operator mistakenly steps down on the pedal while switched on the machine will start e automatically and can cause physical injuries When using the clutch motor be aware that the motor will continue to rotate for a while even after the power is switched off due to inertia Start to work on the sewing machine only after the motor has come to a complete stop 2 Inserting lower thread to bobbin KM 380BL 390BL a Pass the thread through the hole 1 from back to front of the tension adjustment dish 2 b Pull the thread to bobbin and wind it clockwise 5 or 6 times from the lower side c Push the lever 4 so that the pulley 5 touches V belt and operate the machine d When the lower thread is winded thoroughly up to the bobbin the pulley 5 separates automatically from the V belt Refer to Figure 10 Figure 10 3 Adjustment of inserting lower thread KM 380BL 390BL In case that the lower thread winds up irregularly loosen the screw and adjust it by moving from side to side and tighten the screw 6 again b The amount of winded lower thread increases when the adjustment screw 7 turns clockwise and it decreases turns counter clockwise c Turning the nut 8 clockwise makes the lower thread tension winded to bobbin stronger and counterclockwise makes it weaker 11 4 Inserting lower thread KM 380BL Figure 11 a Inserting and removing bobbin case Refer to Figure 11 The bobbin
23. or repair 1 4 Machine Operation Warning 1 5 Safety Device Warning The KM 380BL 390BL Series are manufactured for industrial use to sew textiles and other similar material When running the machine users should observe the following things 8 Read the manual before operation of the machine to fully understand the details about its operation D Do not forget to wear garment suitable for safe work C Keep your hands or any part of the body away from the running part of the machine like the needle hook thread take up spring pulley etc d Do not remove any type of cover during operation for safety reasons Be sure to connect earthed line D Before opening an electric box such as a control box be sure to shut off the power supply and make sure that the power switch is set to OFF Be sure to stop the machine when threading the needle or before checking after sewing D Do not switch on the power supply with the foot on the pedal D Do not run the machine when the cooling fan is clogged Be sure to clean the air filter in the control box once a week D If possible keep the machine away from strong electromagnetic fields like areas around a high frequency welding machine Always start the machine with safety covers in place since fingers or hands could be injured or cut off by the belt Turn off the power switch during check ups or adjustments Warning a Safety Label Cautions that need to be h
24. ts highest level Needle is bent Change the needle Threading Wrong direction Insert the thread in the right way Gap between the Adjust the timing of the needle and Upper thread needle and the hook the hook Remaining upper thread length after falls out when 4 starting to sew or sewing is trimming After trimming lower thread holder Adjust the location and tension of the does not hold the lower thread lower thread holder Due to problems in the up stop Check the up stop position of the needle the thread take Readjust the needle s up stop film position of the needle up lever pulls the upper thread out of position the needle when the sewing starts The gap between the The height and distance between the ass oder movable knife and the movable knife and the hook do not 9 position hook match 5 Trimming miss Check the tension of Tension and contact of movable and Correct the tension adjustment and surface contact of movable and fixed fixed knife fixed knives are bad Kec 20 The length of the remaining upper Increase the adjustment volume of thread is too short the upper thread on the control box SunStar Direction of the needle Needle is not inserted correctly Insert the needle correctly Blade side of movable Scratch and abrasion of movable Replace movable knife or fixed knife 5 Trimming miss and
Download Pdf Manuals
Related Search