User`s Manual
Contents
1. and safety devices Before threading changing bobbin and needle cleaning Caution etc switch off main switch SJS BSN COLMA ROl ASH DINHI a Dol HZN ZUIL SAME H A MEO AYRE H FAAL CAUTION Aa 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 18 ASH Al AME gyenge HH SHE MHS Weld AH EE LIM 36022 JIC UNAI u 1 Specification 1 Sewing machine ees PRESSUER LUBRICATION DROP OILER DROP OILER ROLLER PRESSER FOOT 1 16 3 32 GUAGE GENERAL PRESSER FOOT 1 8 3 16 1 4 3 8 ROLLER PRESSER FOOT SLIDE HOOK COVER OPTION GENERAL PRESSER FOOT HINGE HOOK COVER 2 Clutch motor HEC 1701 ONE PHASE 220V 250W 50 60Hz HEC 1703 THREE PHASE 220V 380V 250W 50 60Hz HEC 1705 THREE PHASE 220V 400W 50 60Hz HEC 1706 ONE PHASE 220V 400W 50 60Hz SunStar 2 Installation b Plug in after the installation is complete If the operator mistakenly steps down on the pedal with the plug in the machine will start automatically and can cause physical injuries p Connect the ground earth wire An unstable connection may result in an electric shock or a malfunction b 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 1 Installation of oil pan After insert the2. is done move the gear right and left to put the edge at the center Hook base clamp screw Figure 22 C Adjusting height of needle bar Loosen the needle bar clamp screw Q and move the bar to make 1 1 5mm the clearance between the upper side of needle hole and the hook edge After that be sure to fasten the needle bar clamp screw Hook edge 19 12 Adjusting clearance between hook and opener The normal clearance is as follows Loosen the opener clamp screw And when the opener is pulled to the maximum level adjust the clearance between the arrows to 0 2mm iis Figure 24 13 Exchanging needle width gauge set A The order of disassembly Note Turn off the power 1 Open the hook cover Loosen post cover clamp screw 2 Loosen the right and left hook base clamp screw 3 Raising the presser lifter rotate the roller right or left 4 Remove the needle 5 Disassemble the needle holderQ 6 Disassemble the needle guide for roller presser foot 7 Disassemble the needle plate 8 Disassemble the feed dog Figure 25 B Assembly order After assemble in reverse order of disassembly fix the right and left hook base When finish the exchange implement the normal adjustment page 13 20 SunStar 4 Causes of Trouble and Troubleshooting 1 Sewing machine troubleshooting ommon ci erze tor A ang Needle is inserted into wrong position Reinsert th
3. of our company 1 3 Troubleshooting 0 Ahead of cleaning and repair be sure to shut off the power supply And wait for about 4 minutes till the machine discharges completely Even a part or all of the machine should not be modified without any consultation with our company In case of repair you should change the damaged part into the standard article of our company After repair please put again the safety cover disjointed while repairing 1 4 Machine Operation Warning 1 5 Safety Device Warning KM 815 825 series are manufactured for industry use to sew textiles and other similar material In case of running the machine users should observe the following things Ahead of operating the machine please read the manual and understand fully the details on its operation b Don t forget to put on the garment suited for the safe work Keep your hands or a part of the body away from the running part of the machine like a needle hook thread take up spring and pulley etc Don t remove any kind of cover for safety while running the machine Be sure to connect the earthed line QD Before opening the electric box such as a control box be sure to shut off the power supply and make sure that the power switch should be put on off When threading the needle or before checking after sewing be sure to stop the machine D Don t switch on the power supply with the foot on the pedal
4. 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 p When adjusting the machine with the switch on be sure to pay extreme caution p Only trained engineers must perform troubleshooting or inspection of the machine b For electrical repair or inspection consult with qualified technicians or agent Strong 4 _ gt Weak 6 Adjusting roller presser foot height and GA 16 pressure A Adjusting the height of the presser foot Loosen the pressure adjustment screw Q and the presser bar bracket fastening screw and lift the presser bar lifter Make the distance between the upper side of the needle plate and the lower side of the presser foot 7mm Then tightly fasten the bracket fastening screw Be sure that the presser bar does not move B Adjusting the pressure of the presser foot Turning the pressure adjustment screw to the right increases the presser foot tension and turning it to the left makes it weaker After adjusting make sure to tighten the fixing nut For minute adjustment turn the auxiliary pressure adjustment screw Figure 16 SunStar 7 Rotating roller shaft A Raise the presser bar lifter B Hold the roller presser foot bracket guide as in Figure 17 and move it down and left Then there will be some space to exchange the gauge C To restart hold the roller presser foot bracket guide and turn i
5. AAA OAK AAAA AO 8 2 Installation iiini a a ai 9 Pona omor o pa as KP A AAAA ICE E E 9 2 AISA OM of machine NOA edo RACZEJ OCT 10 BIG n a RPP Il A Stine Ob OL WEEE fe MeO 1 OWO OO EO CN 2 5 Installation of belt covet AE ECCE OC 12 3 Adjusting the machine sssussu0s202220 200 2 5 13 Tns Si ESEE NETTO 13 ROV a OOD E E E 13 PI erne DOn DL eneee E EEE E E E R EEE E 14 A AR OU GIN Upper CM AC oses o OOO E R OR A TESE E EEE E E E E EOSS TEE 14 5 Adjustine read TENSION egsa R ERR eE Roera AOAO On AOC AGCA 15 A Adjusting the upper thread tension B Adjusting the lower thread tension C Adjusting the thread take up spring tension 6 Adjusting roller presser foot height and pressure cccccccssccssscscesscsssccssccesecesscssecssecssecseesssscssesessesseesseesseeesaeeegs 16 A Adjusting the height of the presser foot B Adjusting the pressure of the presser foot 4 ROA rollers Na ac OPOYA W 17 5 AQJGSUNS SUCH CRON akc ZE LE ZZA ENa AANEEN 17 9 Adjusting timing OF needle and feed dog sac scocssosscnasanstienscapssaesensdensscnsdestocnsdzntiensienustacssdatsesnebetinadteteawisetawsiansacaensnsnases 18 ID CLS CURT ONE ot Toed Oa sssrin aana aedi 18 11 Adjusting timing of needle and hook n nnnnnennenneenesseseeseenessesseesseseessessessessessrssessessessessessessessessessessessessessessessesses 19 A Adjusting clearance between needle and edge of hook B Adjusting asc
6. Don t run the machine when the cooling fan are not running Be sure to clean the air filter in the control box once a week If possible keep off from the strong electronic wave like 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 Suggestions while running the machine are stated Thread take up spring cover the device to prevent the human body from touching the thread take up spring Belt cover the device to prevent hands feet and clothing from getting jammed by the belt Finger guard the device to prevent fingers from contacting the needle SunStar 1 6 Position of Caution is attached to the machine for safety In case of starting to run the machine Caution Mark read the directions of Cautions carefully CAUTION Position of Caution Mark A 35 A Do not operate without finger guard and safety devices Before threading changing bobbin and needle cleaning etc switch off main switch CAUTION a iu 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 Ig rol of BAS Uez AWS g We AAS ell ae zde BL LEJ 36047 JEE OAA 1 7 Content of SAMO CAUTION IN an Do not operate without finger guard
7. e clamp screws Lay the machine back and it will be easy to assemble belt cover A After the assembling insert the front part of belt cover B into the groove of belt cover A and then fasten the back part of it by using the clamp screw 4 Figure 5 12 SunStar 3 Adjusting the machine b 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 p 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 As can be seen in figure 6 move the needle upper end so that it directly touches the upper side of the stopper hole when the groove of the needle is facing inward Then use the fixing screw to fix the position of the needle KM 815 KM 825 Stopper hole Stopper hole Clamp screw 1 Needle groove Needle Needle groove holder Left and Right Figure 6 2 Removing bobbin Place the needle in the highest position and then like in Figure7 open the hook covers on the left and right lift the bobbin holder to remove the bobbin A Figure 7 13 b Turn off the power when adjusting the lower thread tension If the operator mistake
8. e needle correctly erze tor A of needle Needle Needle is bent Change the needle Bad timing of feed dog Adjust the timing of feed dog Needle breaks koo PJ bar koo PJ level Needle bar height Bad timing of needle and hook Adjust the timing of needle and hook Gap between The gap between needle and hook is Adjust the gap between needle and hook needle and hook inadequate Threading Wrong threading Thread the needle correctly Bent needle or broken needle tip Change the needle Direction and The direction and height of the needle Insert the needle correctly height of needle inserted is wrong o Thread breaks Bad timing of needle and hook Adjust the timing of needle and hook BA Us Too tight upper thread tension Adjust the tension of upper thread BA AFER Too tight lower thread tension Adjust the tension of lower thread Working capacity of take up lever Too much working capacity Adjust the stroke level spring Direction and The position of the needle inserted is Insert the needle correctly height of needle wrong Bent needle or broken needle tip Change the needle Threading method Wrong threading Thread the needle correctly Needle bar ascending level 3 Sewing is skipped Needle bar height Bad timing of needle and hook Adjust the timing of needle and hook Gap between The gap between needle and hook is Adjust the gap between needle and hook needle and hook inadequate Bad timing of needle and hook Adjust th
9. e the oil covered on the machine to prevent accidents 1 2 Machine Because physical damage such as the functional obstacles and breakdowns are Installation likely to occur according to the environment in waen the machine is being installed Therefore the following preconditions should be fulfilled a Please keep the order from top to bottom when unpacking the package Especially mind that the nail on the boxes Caution b Because machines are apt to be contaminated and corroded by dust and moisture you should install the climate controller and should clean the machines regularly Keep the machines out of the direct rays of the sun Keep both sides and the backside of the machines off at least 50cm from the wall to secure enough space to repair Danger of Explosion Don t run the machine near the places with the dangers of explosion Don t run the machine near the places with the dangers of explosion including the places where the spraying product 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 Because of the peculiarity of the machine any illuminators are not equipped So users should install the lighting apparatus around the working area Note The details about the installment of the machine are described in No 2 Installations In need of troubleshooting it should be done by the trained A S engineer
10. e timing of needle and hook The length of the remaining upper thread Adjust the adjustment volume of the is too short upper thread Thread take up The spring is not strong enough to pull Adjust the stroke level spring out the lower thread The upper Too tight upper thread tension Decrease the upper thread tension thread does not rotate 4 Too weak upper thread tension Increase the upper thread tension The lower 4 Tension of upper thread is too weak Increase upper thread tension thread does not rotate Tension of lower thread is too strong Decrease lower thread tension Upper thread Strong upper thread tension Adjust upper thread tension falls out when starting to sew i Needle is too thick for thread Check the needle 21
11. ending level of needle bar C Adjusting height of needle bar 12 Adjusting clearance between hook and opener evsccsscsnstenecesaserecoresaparransasesauesursivesaediaveiansdevbiaveiapilaniabeedenednercdaiis 20 PS Exchanp ine needie WIGL SAU Oe Olssonin eienaar aa naa ANa a NA EEEE E EEEE ai 20 4 Causes of Trouble and Troubleshooting ss nssu220 2 0 5 21 D Sewing machine troubleshooting adi OO Aaaa oaz awk 21 Safety Rules for Machine Safety labels in the manual are categorized into danger warning 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 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 SunStar 1 1 Machine Only personnel with a full understanding of the safety rules should move the mobilization machines The following directions must be observed when delivering the machines At least two persons should work together In case the machine should be transported please wip
12. mm tar User s Manual KM 815 Series KM 825 Series High post High speed one two needle sewing machine EA NACIN Go ite i e 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 SUNSTAR MACHINERY CO LTD c MME 050509 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 CO LTD Table of contents Safety rules for machine sai ccscecnescnacsassacadenccncexesnesnaeemsuseuusacaneausdunuesancuavesuncasusesesuanuseceuaunewevense 4 T SPEGIICAUONanniG GG GG iii c rki ii EG AGE GE ACSS KEG 8 KOSY MIENIEM wo AA ECO teas E E E ameendetdeuieanssates 8 2 ADLE ATO E E a PRE E A NOE O ARE O A
13. nly steps on the pedal the machine will start automatically and can cause physical injuries p When using the clutch motor be aware that the motor will continue to rotate for a while after the power is switched off due to inertia Start to work only after the motor has come to a complete stop 3 Inserting bobbin Stop the needle at the highest position As in Figure8 insert the bobbin where the thread is rolled onto into the hook After that lay down the bobbin holderQ and then close the hook cover on the right and left Figure 8 b Turn off the power switch when routing the upper thread It the operator mistakenly steps on the pedal the machine will start automatically and can cause physical injuries p When using the clutch motor be aware that the motor will continue to rotate for a while after the power is switched off due to inertia Start to work only after the motor has come to a complete stop 4 Routing upper thread Place the thread take up lever to the highest position and hang the upper thread as in Figure9 10 The adequate length of upper thread extending from the needle hole is 50mm for initial sewing MODEL KM 825 MODEL KM 8 18 a Figure 9 Figure 10 14 SunStar 5 Adjusting thread tension The result of the needlework depends on the sewing conditions such as the sewing material used thread and stitch length So please adjust as desired O pl good
14. oil pan toward a table fix it with fixing nails Figure 1 2 Installation of machine head After fixing the machine head hinge into the bed holes with fixing screw and rubber hinge stand the machine on the rubber hinge and the rubber cushion f i Figure 2 10 SunStar Caution b Plug in only after 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 p 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 gt 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 3 Lubrication As can be seen in figure 3 be sure to supply oil into the oil holes marked red and the oil holes in the friction parts before operating the machine Figure 3 11 4 Adjustment of belt tension After installing the motor loosen the fixing nuts O up and down and tension will be created to the belt due to motor falling by gravity Fasten the fixing nut initially and then fasten the fixing nut tightly Figure 4 5 Installation of belt cover Fix belt cover A onto the machine body with using thre
15. sewing Agal upper thread tension is strong while the lower thread tension is weak x upper thread tension is weak while the lower thread tension is weak x Lope A Adjusting the upper thread tension As m Figure 12 turning the tension adjustment nut of the thread adjusting device clockwise makes the upper thread tension stronger and counterclockwise makes it weaker Figure 11 Figure 12 B Adjusting the lower thread tension As in Figure 13 turning the tension adjustment nut of the hook clockwise makes the lower thread tension stronger and counterclockwise makes it weaker C Adjusting the thread take up spring tension a Adjusting the thread take up spring stroke As in Figure 14 loosen the fastening screwQ and turn the stopper bushing of the thread take up spring clockwise to make the stroke smaller and counter clockwise to make it bigger The thread take up stroke is normally 5 10mm b Adjusting the thread take up spring tension As in Figure 15 insert the driver into the groove of the thread tension control assembly Turn clockwise to make the spring tension stronger and counterclockwise to make it weaker The thread take up spring tension is normally 50 80g Figure 13 Figure 14 Figure 15 15 b After disassembling and adjusting a safety device always place it back to the original position and check whether it functions as intended p Use both hands when pushing the machine backward
16. t to the right direction Figure 17 8 Adjusting stitch length As in Figure 18 the number marked in the stitch length adjusting dial indicates the stitch width by mm By moving left or right set to the desired number z Figure 18 17 9 Adjusting timing of needle and feed dog As in the figure it is normal that the upper part of feed dog goes down and the needle hole meets the upper part of needle plate If not loosen the feed cam screws and move the cam position right and left to the proper match If gear moves faster than needle turn the feed cam to the opposite direction of the machine rotation If t gear moves slower than needle rotate to the proper match Figure 19 Figure 20 10 Adjusting height of feed dog The normal adjustment is as follows Turn pulley to place feed dog at the height point And loosen lifter crank clamp screw to move the crank up and down After that make the crank protrude 1mm in parallel with the upper needle plate and fix the gear About 1mm Figure 21 18 SunStar 11 Adjusting timing of needle and hook A Adjusting clearance between needle and edge of hook Loosen the hook base clamp screw Q and the lower shaft gear clamp screw And then move hook base right or left to make the clearance 0 05mm wide B Adjusting ascending level of needle bar Loosen the lower shaft gear clamp screw and raise needle 2 4mm from the lowest point When
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