USER S MANUAL
Contents
1. 20 7 Adjusting of Stitch Number 20 O SEWING eenia 21 Dy Sewing Method sereas P e 21 Machine Repanng MeIBDG sequen 22 1 Thread Tension Adjustment 22 2 Presser Foot Pressure Adjustment 23 3 Presser Foot Height Adjustment 23 4 Feed Dog Height Adjustment 24 5 Feed Dog Slope Regulation 24 6 Feed Dog Front and Back Adjustment 25 7 Needle and Transfer Timing RR DERI ee 25 8 Needle Bar Height Adjustment 26 9 Needle and Hook Timing 27 10 Location Adjustment of Hook Holder 27 11 Synchronizer Adjustment 28 12 Lubrication Adjustment for Hook u OS ot A se 29 13 Adjustment of Upper Thread Remainder after Thread Cutting 29 14 Location Adjustment of Thread Cutting Cam 31 15 Tension Adjustment of Low2. 10 4 Machine Installation 11 1 Environment for Machine Installation 11 2 Electric Installation Environment 11 3 Safe Table Mounting of Machine 11 4 Installation of Presser Foot Lifter Pad 13 5 Adjustment of Presser Foot Lifter group Pad 13 6 Belt Cover installa tom 14 7 Thread Stand Installation 14 8 Power Voltage and Power Code Connection 15 9 Cable Connection to Control Box 16 10 Exchanging the fuse 17 11 Head Earth Connection 17 5 Preparations to Use the Machine 18 1 How to fill Lubricating Oil 18 2 FEO We IN CO Ch Le aaa ala 18 3 How to Remove Bobbin Case 18 4 Bobbin Case Attachment Method 19 5 How to Wind Lower Thread 19 6 Upper Thread Passing Method
3. D 90 Aa 298 HHE ga PAS Yell BH ST 3007 7 021 7 Contents of Marks SSS 1 CAUTION a Do not operate without finger guard and safety devices Before threading Warning changing bobbin and needle cleaning etc switch off main switch eJ SSHOt HAX 8401 Ot MAIL Sl Hannu EAE BAI EMS ASAE EMAL 2 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 De Azo AMS HH 22 He aes Well 4 S418 3602472 AAAI N J MACHINE SPECIFICATIONS KM 2070P KM 2070P 7 Lock Stitch Max 8mm 10mm 2 Step 3 Step Max 2 5mm Max 5 000 spm 4 000 spm at the time of shipment SY 1965 Nm 70 10 or DP x 5 10 DP Hook Titanium Coated Inner Hook Hook Center is Offset Rotary Thread Take up 6mm 10mm 7mm Option 2 6kof 33 3 mm Basic 8 Kinds 16 Patterns User Input Pattern Max 99 Patterns 256 Stitches per pattern Oe Ot 1 0mm 550W A C Servo Motor 1 Phase 100 240V 3 Phases 200 415 50 60Hz 600VA 5 C 40 C 20 80 LAP 79 9dB A at 3500spm Noise measurement according to ISO 10821 CA M1 mse MACHINE CONFIGURATION
4. USER S MANUAL KM 2070P SERIES Electronically Controlled 1 Needle ZigZag Lock Stitch Machine Mechanical Part 1 FOR AT MOST USE WITH EASINESS PLEASE CERTAINLY READ THIS MANUAL BEFORE STARTING USE 2 KEEP THIS MANUAL N SAFE PLACE FOR REFERENCE WHEN THE MACHINE BREAKS DOWN 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 CO LTD CONTENT 1 Machine Sefety Regulations 5 2 Machine Specifications 8 Machine Configuration 9 1 Part Name of Machine 9 2 Internal Structure of Control Box
5. 4 Sensor Cable 26 Main Motor Cable Control Box J2 Step Motor Driving Board J4 24 Reverse Switch Cable 25 Auto Presser Foot Lifter Switch Cable B T Step Motor Origin Seneor Cable Main Motor Driving Board 1 Operation Panel Cable 11 Back Tag Solenoid Cable White 9 Wiper Solenoid Cable Blue 8 Thread Cutting Solenoid Cable Red 7 Presser Foot Solenoid Cable Yellow 10 Tension Release Solenoid Cable Green 21 Step Motor Cable 17 Power Switch Cable 28 B T Step Motor Power Board Fig 13 See Block Wiring Diagram Fig 20 is wiring diagram based on KM 2070 7L and KM 2070 7M model and the wiring in case that selected knee lifter switch including presser foot solenoid for option As KM 2070 L and KM 2 70M model are none thread cutting type it does not need to connect cable for thread cutting wiper tension release solenoid Switch cable consists of two white and blue connector knee lifter switch is option White connector Connect reverse button A button Blue connector Connect presser foot lifter switch connect presser foot solenoid cable as well In case of power cable connection pay attention to fix to table that interference does not occur with belt Note 16 Gunstar gt 10 Exchanging the Fuse To prevent from electri
6. substances from bobbin case with cloth H Put bobbin into bobbin case and set bobbin case to Fig 47 sewing machine Lay down head part of sewing machine Wash foreign substances on remove clean with cloth If oil is lower than arrow of lt LOWs supply lubricant Use the designated oil for lubricant x When lubricant gets dirty remove oil fan cork screw and replace lubricant x Wash foreign substances stuck on magnet and oil fan Dispose waste oil properly pursuant to regulations L Return the head part of sewing machine to original status M Check if lubrication amount of hook is proper If it is not proper handle it by adjusting N If needle is bent or gets stumpy replace the needle Check if upper thread passes properly P Execute test sewing UJ m O Fig 49 35 TEST case oF USING FEED DOG EXCEPT SUNSTAR 5 ONE In case of using feed dog on the market process the feed dog as shown in the figure If you use the feed dog without processing rotary mess and fixed mess are damaged Check the below points before you request the repair service If the below process does not improve the status turn off the power switch and ask to the purchase sales agent FAILURE CAUSES AND COUNTERMEASURES Turn off the power switch before work and pull of the plug If you step on the pedal by mistake the sewing mach
7. 2070 B E 04 009 2070 10 IS J 06 189A 207M Max Stitch 378 amp ri ES 5mm 184 18 4 US 05 017A 2070 06 389A 207L Max Stitch 2 2 01 037A 2070 37 3 3H 45 2mm m 34 5 i ue 05 317A 2070 2 1X i F7 2 E 04 010C 2070 8mm 05 817A 2070 k 06 088A 207L Max Stitch a5 ALS 2 5mm 01 437A 2070 P 34 5 I 17 T eee K OS lt 05 517 2070 E m to 06 089A 207M Max Stitch o 3 373 rj t 5mm lr 17 4 cum 01 537A 2070 345 uo 05 617A 2070 04 011C 2070 Pa P ANA 14 5mm lt e646 la a 4 H D 13 4 40 Part Name 9 Zigzag Width as needs Plate Feed Dog Presser Foot Stopper LI g ae 34 637 06 488A 207L Max Stitch db 353 5 rH 2 5mm 12 4 115 E HHHH 17 lt dr NES H B 3 L BS 7 17 05 217A 2070 01 237A 207L 06 288A 207L Stitch io 353 amp ri eS 5mm s 12 4 3 I z a i K 17 PEE HEHH l EL z g _ 1 98 H H D 8 x
8. Fig 23 Use thread tension adjusting spring in accessory box in case use thick thread or adjust upper thread tension Recommend three ply or thicker thread 22 C Adjustment of Thread Take Up Spring Standard location of thread take up spring is 6 8mm of distance to face of thread guide on condition that put down the presser foot 1 Put down presser foot 2 Unfasten the fixing screw 3 Adjust location by turning main thread tension adjusting device 4 Unfasten the fixing screw firmly 2 Presser Foot Pressure Adjustment Adjust pressing pressure as weak as possible in order not to be slid the cloth A B C Unfasten the pressure adjusting screw nut Adjust pressing pressure by turning pressure adjusting screw Fasten the pressure adjusting screw nut 3 Presser Foot Height Adjustment When put up the presser foot D by presser bar raiser standard rising amount of presser bar is 6mm A B Unscrew the joint screw 3 2 pieces and remove faceplate guard Unfasten nut amp and pressure adjustment screw inorder not to be given pressing pressure Put up the presser foot D by presser bar lifter Unscrew joint screw 2 move up and down the presser bar amp to adjust height of presser foot to 6mm Fasten the adjustment screw Adjust pressing pressure by pressure adjustment screw and tighten Attach the face plate guard with joint screw 2 piece
9. Q If possible install the machine away from source of strong electrical noise such as high frequency welding machines Warning Belt will crush or amputate finger or hand keep cover in place before operating turn off power before inspecting or adjusting 1 5 Devices for Safety Warning Safety label It describes cautions during operationg the machine Face plate guard It prevents from any contact between body and take up lever Belt cover It prevents from insertion of hands feet or clothes by beit Label for specification of power It describes caution for safety to protect against electric shock during rotating the motors Finger guard It prevent from contacts between a finger and needle a s aN 1 6 Caution Mark Position Caution mark is attached on the machine for safety When you operate the machine observe the directions on Ie mark Position of Warning Mark View from the right front 11 CAUTION u Do not operate without finger guard and safety devices Before threading changing bobbin and needle cleaning etc switch off main switch lt gt ea sins 9833 80 REA 4 BANOE BCA 7 FMA Ne J A Hazardous voltage will cause injury CN Be sure to wait at least 360 seconds before opening this cover after turn off main switch and unplug a power cord
10. needle comparing to using thread Needle replacement Defective needle mounting Needle remounting Improper needle and hook timing Readjustment of needle and hook timing Interval of groove on needle and hook point is too large Excessive spring tension and operation of thread take up spring Weak upper thread tension Readjustment of needle bottom dead point Adjustment of thread take up spring tension and operation Upper thread tension adjustment Weak lower thread tension Lower thread tension adjustment Improper needle and hook timing Readjustment of needle and hook timing Occurrence of thread Cutting mistake Exchange tension of mobile mess and fixed mess is relaxed Tension adjustment of fixed mess Abrasion of groove on knife part of mobile mess and fixed mess Replacement of mobile mess and fixed mess Defective location of thread cutting cam Readjustment of thread cutting cam location 38 Z lt cc e LLI l ea NOI103S 001 7 05 2722 ZEG vo g A c zi cl IS H IN 1 5 CTS ty i ts i A ay re uonisog puels P CU Ke ee en T TOBE e S Ram x i Bt AES
11. the machine is being transported N More than 2 people must transport the machine To prevent accidents from occurring during transportation wipe off the oil on the Danger machine well 1 2 Machine Installation The machine may not work well or breakdown if installed in certain places Install the machine where the following qualifications agree 1 Remove the package and wrappings starting from the top Take special notice on the nails on the wooden boxes p Dust and moisture stains and rusts the machine Install an airconditioner and clean Notice the machine regularly Keep the machine out of the sun Leave sufficient space of more than 50cm behind and on the right and left side of the machine for repairing EXPLOSION HAZARDS Do not operate in explosive atmospheres To avoid explosion do not operate this machine in an explosive atomsphere including a place where large quantities of aerosol spray product are being used or where oxygen is being administered unless it has been specifically certified for such operation D The machine were not provided with a local lighting due to the feature of machine Therefore the illumination of the working area must be fulfilled by end user Refer Details for machine installation are described in 4 Machine Installation 1 3 Machine Repair When the machine needs to be repaired only the assigned troubleshooting engineer educated at the company shoul
12. the vertical stitch at 4 and the horizontal stitch at 2 2 Conduct the sewing test against the 10 basic expanded patterns Is the sewing status is good NO 1 Perform the minute adjustment by adjusting the eccentric pin of the feed regulator 2 Reset the starting point by pressing No 1 pattern key 3 Perform the sewing again The setup of the KM 2070P B T starting point is completed 34 MAINTENANCE Please execute trimming every day in order to maintain function of the sewing machine and use for long Also in case that it was not used for long use the sewing machine after trimming as followings Turn off the power switch before work Stepping on the pedal by mistake it becomes cause of injury as the sewing machine starts operation When handling lubricant use protection glasses or protection gloves that it does not contact to eyes or skin It becomes cause of inflammation Also do not drink lubricant It can cause vomiting Place it where children cannot reach gt Put up the presser foot Remove the joint 2 pieces and remove needle plate Remove dust on the feed dog by using smooth brush Attach needle plate with joint 2 pieces Remove bobbin case Remove dust on hookG with smooth cloth and if there is a scratch or not clean or remove G Take off bobbin from bobbin case and wash out the foreign
13. 06 588A 207L Max Stitch 353 a H45 2 5mm 01 337A 207M T 05 917A 2070 31 8 8 p z aoe i i a 3 lt 8 04 011C 2070 5mm j s A E EE LI s 06 289 207 Max Stitch 353 rH 58 5mm 1 7 5 aie 06 688A 207L Max Stitch 353 6015 2 5mm 05 717A 2070 01 737A 2070 31 8 5 D 3 L i LY S N E 3 i J 6 L3 06 389 207 Max Stitch 353 amp e 5mm N 17 py RRA 04 012C 2070 3mm 11 4 41
14. 1 Part Name of Machine Hi Face Plate Guard Thread Stand Arm x 2 Operation Panel lt gt Control Box Automatic Presser Foot Lifter Option 2 Internal Structure of Control Box Step Motor Drive Board Fan Digital Board Servo Motor Drive Board Power Board Transformer 10 MACHINE INSTALLATION 1 Environment for Machine Installation A In order to use safety use in the environment as follows gt Ambient Temperature for machine operation 5 40 C 32 104 F C gt Ambient Temperature for machine reservation 10 60 C 14 140 F B Humidity within 45 80 Relative Humidity C Altitude Up to 1000m above mean sea level 2 Electric Installation Environment A Power Voltage Use the power voltage within 10 of the rated voltage Itis desirable to use frequency of power within 1 of the rated frequency 50 60Hz B Electromagnetic wave Noise It is desirable to use the power separated from the strong magnetic field and high frequency product and keep away from them C In case of attaching additional device and accessories to control box must safe low voltage D Pay attention that water coffee and other should not enter into control box and motor E Do not drop control box and motor Note Install the machine by trained technician Ask electric wiring to the electric engineer of the purc
15. 1V 230V JP2 416V 480V JP5 116V 125V JP5 231V 250V JP3 If power voltage switching connector is wrongfully set control box can be damaged In case that changes voltages between the phases 110V series and 220V series and 380V 440V Note series transformer should replace KM 2070P Machine Control Box Cooling Fan Step Motor Driving Board In case that input power is over 220V In case that input power is 110V series 240V 380V 440V 100V 110V 120V YP3 4 wJ5 Digital Board 200V 220 Servo Motor Driving Board Power Board DS Power Voltage Switching Connector ansforme Power Voltage Switching Connector Setting Fig 11 15 9 Cable Connection to Control Box A Internal Wiring of Control Box Common in all types Control Box Step Motor Driving Board Cooling Fan 14 Step Motor Driving Signal Cable 15 Servo Motor Driving Signal Cable 16 Servo Motor Auxiliay Signal Cable 21 Cooling Fan Cable 18 Servo Motor Power Cable 20 Solenoid Power Cable Fig 12 B External Wiring of Control Box 29 Dial OP Connect Cable 6 Encoder Cable Green 5 Synchro Cable Black 3 Pedal Cable Yellow
16. 5mm Note As thickness of needle plate and auxiliary needle plate is different must use auxiliary needle plate for sure ZigZag Width Omm F Ifthe above status is not made adjust location of hook by unscrewing the hook fixing screw K a After adjusting fasten the fixing screw G When the needle is at the closest location to the left if point of hook 1 matched to the center of needle by turning the sewing machine pulley 0 0 05mm dil check whether size of point of hook is 0 2 0 5mm from the upper end x If the size does not meet adjust height of needle bar H In case that over lapped section sewing causes needle flow make needle support to contact to needle by bending needle support as ZigZag Width Max shown in the figure a x Since then check whether interval of point of hook and needle is 0 0 05 mm l Pressing PARA SET key on operation panel it is converted to 5 embroidery available status F mm 0527 m Incase of using 10mm 1 Move the location of needle to the leftest place 2 When point of hook matched to the center of needle by turning the JH sewing machine pulley adjust needle position whether distance is 0 2 0 5mm to point of hook from the upper end of needle hole Fig 32 3 Incase of using ZigZag width 10mm change needle plate feed dog needle bar stopper for 10mm 10 Locatio
17. D height of feed dog and location front and back changes Hence please adjust again 24 The highest location Standard the Lowest lacatiobn Fig 27 D ZZY NL LA Z MEZ BFig Fig 28 6 Feed Dog Front and Back Adjustment Gap front and back to the needle plate when the feed dog moved closest to the user s side and when it moved to the most backward by turning the sewing machine pulley becomes regular A B Lay down the sewing machine Unscrew the fixing screw 2 pieces Adjust by turning the feed rolling bracket and then moving the feed dog Fasten fixing screw 2 tightly 7 Needle and Transfer Timing Make 0 mark of feed cam bearing cover and 0 mark of feed cam connection rod to match each other when matched base line of thread take up D to C mark of face plate A B C Lay down the sewing machine Match the base line of thread take up to B mark of face plate Unscrew the fixing screw 4 pieces of lower shaft timing pulley Turn the feed cam bearing cover and match 0 mark to the 0 mark of feed cam connection lot Fasten fixing tightly 4 pieces of lower shaft timing pulley 25 be fixed be fixed Fig 29 Fig 30 8 Needle Bar Height Adjustment When the needle bar came
18. c shade trun off the power and wait 5 minutes then open the cover Be sure to turn off power and exchange into the fuse of the designated quantity after opening the cover of control box Danger 1 Power board connection part of fure for shade part total 6 Fuses are used No Quantity Use F6 5A For the protection of main power F5 For the protection of solenoid F4 0 5A For the protection of air valve F3 0 5A For the protection of cooling fan F2 0 5A For the protection of step motor 1 5A For the protection of step motor driving board control power 2 Main motor driving board 15A For the protection of main motor driving board power 0 5A For the protection of main motor driving board control power 11 Head Earth Connection Please connect the header earth connection of KM 2070P as the following pictures Header earth connection Servo motor earth connection Servo motor Earth connection inside control box The back of KM 2070 17 5 PREPARATIONS TO USE THE MACHINE 1 How to Fill lubricating Oil A Push the head backward B Fill lubricating oil up to the line marked HIGH Note Supply the oil immediately when it gets lower to the line marked LOW 2 How to Set a Needle A Place the needle bar to the highest location by turning the sewing machine pulley B Uns
19. crew the needle fixing screw C The long groove of needle turning to the front insert it until the top end of needle reaches to end of the insertion hole of the needle bar and fasten the needle fixing screw tightly 3 How to Remove Bobbin Case A Raise the needle higher than needle plate by turning the sewing machine pulley B Remove the bobbin case by pulling out the guip D of case C Detaching the handleCD bobbin is detached Fig 14 Fig 15 Note In case of thread trimming type no load operation prevention spring is attached in bobbin case in order to prevent no load operation of bobbin 18 Fig 16 4 Bobbin Case Attachment Method A B Adjust base line of thread take up lever to meet with U mark of faceplate by turning sewing machine pulley Make the thread wornd to left and raise the bobbin and put into the bobbin case Make the thread go through thread groove and pass through bottom of spring 2 Make the thread go through thread groove 3once again and pull it from thread guide part Properly select and use the thread guide part as shown in the figure according to the machine type Confirm whether the bobbin rotate to the left upon taking out the thread Raise the grip of bobbin case and put the bobbin case into hook 5 How to Wind lower Thread A Lower Thread Winding a After passing
20. d take charge Before cleaning or repairing the machine turn off the main power and wait 4 minutes till the machine is completely out of power Not any of the machine specifications or parts should be changed without consulting Danger the company Such changes may make the operation dangerous Spare parts producted by the company should only be used for replacements d Put all the safety covers back on after the machine has been repaired 1 4 Machine Operation Warning KM 2070P Series is made to sew patterns on fabrics and other similar material for manufacturing Follow the following indications when operating the machine Read through this manual carefully and completely before operating the machine Wear the proper clothes for work Keep hands or other parts of the body away from the machine operation parts needle shuttle thread take up lever and pulley etc when the machine is being operated Keep the covers and safety plates on the machine during operation Be sure to connect the earthing conductor Turn off the electric main power and check if the switch is turned off before opening electric boxes such as the control box Stop the machine before threading the needle or checking after work Do not step on the pedal when turning the power on Do not operate the machine with any cooling fan blocked The air filter on control box must be cleaned once a week
21. er Thread Presser 32 16 Exchange of Fixed Mess and Moving Mess 32 14 Gauge 1 e BE ted 33 18 Adjustment of the Device for Rasing Presser Foot Minutely 33 19 Method of Setting the Starting Point 34 8 e A i u 35 9 In Case of Using Feed Dog Except Sunstar s One 36 10 Failure Causes and Countermeasures 37 11 Table Drawing 39 12 Guage Parts 40 1 MACHINE SAFETY REGULATIONS Safety instruction on this manual are defined as Danger Warning and Notice If you do not keep the instructoins physical injury on the human body and machine damage might be occurred Danger This indication should be observed definitely If not danger could be happen during the installation conveyance and maintenance of machines Warning When you keep this indication injury from the machine can be prevented Notice When you keep this indication error on the machine can be prevented 1 1 Machine Transportation Those in charge of transporting the machine should know the safety regulations very well The following indications should be followed when
22. hased selling agent Weight of the sewing machine is over 40kg Please install it by more than two personnel Do not connect power plug until installation is completed Accidentally stepping on the pedal the sewing machine gets operating and causes injury Execute earth connection In case that earth connection is no stable it becomes the cause of electric shock or wrong operation Put the belt cover on the head and motor of the sewing machine 3 Safe Table Mounting of Machine A Please fix control box D power switch motor and hinge rubber to the table Fig 1 11 B Insert head support rubber ACD and head support rubber BQ to the corner of oil fan and then mount on the table At this time insert rising stitch support cap on the hole of oil fan C After attaching hinge inserted to sewing bed to hinge rubber put down the head of sewing machine on head support rubber and head support rubber top of the oil fan D Drive Head Support Pole into table Note Drive head support pole through into end of table firmly Unless drive it into the end when lay the head of sewing machine stability is not good and dangerous E On condition that stood the machine as shown in the figure insert V belt between pulley and motor of the machine 12 Fig 2 Fig 3 Fig 4 After connecting V bel
23. ine starts operating and it becomes cause of injury Problem in machine driving and operation Excessive relaxation of belt tension or belt breakage Belt tension adjustment and belt replacement Short of fuse for power supply or circuit After checking short of main motor drive fuse in control box and replace Defect of Stop Location Relaxation of main driving belt Belt tension adjustment Defect of synchro location Readjustment of synchro location Needle broken Damage to needle bending of needle or abrasion and deformation of needle hole or groove in groove part and needle string Needle replacement Mounting of wrong needle Proper mounting of needle Contact of needle and shuttle Interval adjustment of needle and shuttle Cutting phenomenon of thread Thread inserting is not correct Proper insertion of needle Defective mounting of needle height direction and etc Needle remounting Needle damage bending or abrasion and deformation of needle hole or groove in groove part and needle string Needle replacement Strong tension of upper thread and lower thread Tension adjustment Excessive spring tension and operation of thread take up spring Adjustment of thread take up spring tension and operation 37 Skip of sewing point Defective Thread Jointing Status Using bent needle Needle replacement Using improper
24. leo i b AN ks n RET EE ra 1 g Bu E d kr i ME m e Toa de ES A EM ee ihi A w P s SEE 1 1 z B el b poo WINO z EXE i I or lt 8 s il 582 omn E A m Tig UL Oro w MD E bo od l 4 a 2 H i _ d i 1 miri i i eund 1 lo d bd EF E ejoH URIS e P 5 p aw 7 90H log Puunow xog Ionuo2 e s BWV _ 1 1 BAR WRT via ESE 1 1 er 15e Brk ZA zi dag 9208 9 16 V Lad Bred Ww VUE 58 i3 E ido ar a i ai Sgt E B S e o E 1 4 X Sk NI A 4 v la i sg 201052 T ss 8D v FORTS SOFTEST Oat s i 0g coe its x n 39 Guage Parts Part 3 Zigzag Width 1 Needle Plate Feed Dog Presser Foot Stopper _ uu S ur 4 8 A E ul 06 188A 207L Max Stitch s 3H 45 2 5mm 1 7 EL 05 117A
25. n Adjustment of Hook Holder Adjust that end of hook holder should come to the location 0 0 05 away from end of A part of internal hook Keep end of hook holder D never comes out to the right than end of A part of internal hook A Unscrew the fixing screw and adjust location of hook fixing D B Fasten fixing screw tightly TFig 33 27 11 Synchronizer Adjustment imm N Pulley A Mounting of synchronizer joint screw Fix the synchronizer to back side of arm h H p After setting the location of pulley that interval TR e Z between synchronizer and pulley becomes 1mm m i oue z s fasten pulley joint screw Magnetic Holder Synchronizer Hi LZ Fig 34 B Needle Up Stop When turn the power switch on and stop the sewing machine at the location of needle up stop base line of thread take up stops at around U mark on face plate 3mm When stop the sewing machine at location of needle down stop base line of thread take up stops at around D mark on face plate 4mm Turn off the power switch p Unfasten fixing screw 2 pieces Moving the fixing to rotating direction of sewing machine pulley needle bar 2 stops at high position Fasten the fixing screw C Adjustment of needle down stop location Do not adjust needle d
26. ng thread cutting operation crank stopper that section of mobile mess enters about 0 5mm more than section of mess bracket Fasten fixing screwQ tightly Unscrew the stop screw and While pressing thread cutting roller arm by hand adjust left right location of thread cutting cam that thread cutting roller comes in and out of groove straight line part of thread cutting cam 9 easily Fasten the stop screw Fasten stop screw tightly by closing thread cutting cam collard to thread cutting m Adjustment of Rotating Direction A While pressing thread cutting roller arm by hands turn the sewing machine pulley toward oneself slowly and when base line of thread take up matches with T mark of face plate adjust rotating location of thread cutting cam that mess starts to move Fasten stop screw tightly While pressing thread cutting roller arm by hands turn the sewing machine pulley toward oneself and check whether mess starts to operate when base line of thread take up D matches with T mark of face plate and mess returns to the original status until it matches with U mark 31 Fig 40 Fig 41 15 Tension Adjustment of Lower Thread Presser After cutting thread adjust tension when pulling out the thread holding by lower thread presser D to 0 03 0 08N 3 8gf in case of filament thread 60 A Take off mess unit B Draw out the mobile mess b
27. on amount above x Repeat adjustment of oil adjusting screw and confirmation of lubrication amount until it becomes proper amount D After sewing for about 2 hour confirm the lubrication amount again Fig 37 13 Adjustment of Upper Thread Remainder after Thread Cutting Standard remainder of upper thread after thread cutting is as shown in the following table according to thread type Upper Thread Upper Thread Remainder Filament 60 50 60mm Span dex 60 40 50mm 29 m Adjusting Upper Thread Feeding Wire After unfasten the fixing screw adjust remainder of upper thread by moving upper thread feeding wire In order to make the remainder short move to arrow A direction and to make the remainder long move to arrow B direction Note If tension of auxiliary thread tension adjusting device stud is too strong it becomes difficult to adjust remainder of upper thread Adjust auxiliary thread tension adjusting device stud as weak as possible that thread adjusting device dish rotates gently At this time upper thread tension changes and so adjust upper thread tension 30 Fig 39 14 Location Adjustment of Thread Cutting Cam Adjust as shown in the figure on condition that mess unit is properly attached m Left Right Location Adjustment A B Lay down the sewing machine Unscrew the fixing screw Adjust by operati
28. own stop location Note Attachment location of synchronizer was set at the moment of shipping When taking off the pulley do not take off the synchronizer Also attach the fixing screw 2 pieces of pulley to around of the screw of upper shaft against the pulley rotating direction Needle down stop Rotating direction Fig 35 28 12 Lubrication Adjustment for Hook When you replace the hook or change sewing speed adjust lubrication amount of hook as the following order m Confirmation of lubrication amount A Perform no load operation over 1 minute at rotation number of sewing machine that actually sews B After inserting the lubrication check list to the left of 25mm hook operate the sewing machine for about 10 seconds at the speed number of sewing machine that actually sews Quality of lubrication check paper k 50mm does not matter C Confirm the oil quantity spread on the paper You must check the average lubrication amount q by repeating 3 4 times q YP 5 15mm Over Lubricated gt lt Properly Lubricated gt lt Less Lubricated gt Fig 36 m Lubrication Adjustment A Lay down the sewing machine B Adjust lubrication amount by turning oil adjusting screw C Confirm the lubrication amount by referring to Confirmation of lubricati
29. positioned at the center of the sensor with the value of motion reading 0 Y Turn the power on Check the right and left starting points of the needle bar and the front and back starting points of the B T Starting point of the needle bar OK Adjustment of the starting point of the needle bar YES 1 Select No 1 straight line pattern 2 Set the forward and reverse stitch length of the Dial O P at 0 3 Insert a piece of paper and check to see if the paper is being pushed back and forth when manually turning the pulley Is the paper being pushed back and forth 1 Perform the basic adjustment by adjusting the starting point sensor film position 2 Set the starting point again by repressing No 1 pattern key n lt To set at name stitch gt Value of the E side 99stitch Value of the F side 0 stitch Auto function is on 1 Insert the paper and press the pedal to start sewing 99 stitches will be sewn 2 Readjust the starting point sensor film position according to the degree of paper being pushed Is the paper being pshed back 1 Perform the minute adjustment by adjusting the eccentric pin of the feed regulator 2 Reset the starting point by pressing NO 1 pattern key Y YES 3 Perform the sewing again 1 Select No 7 L stitch pattern set
30. resser foot and needle plate option parts for 10 8 5 and 3mm of width exchange the needle bar stopper for 10 8 5 and 3mm A Remove needle bar stopper by unscrewing the fixing 2 pieces B Attach needle bar stopper inserted into needle bar stopper C Attach needle bar stopper plate to head part of sewing machine and fasten fixing screw tightly D Turn on the power E Set the width to the maximum width of gauge F Confirm that needle hole of needle and each gauge part and needle bar and needle bar stopper do not contact by turning the sewing machine pulley by hands Fig 45 18 Adjustment of the Device for Rasing Presser _ Foot Minutely Ye A Take down the presser foot uman ss Qo B Unfasten the in back side of sewing machine C Adjust the proper presser of wroking fabric and presse foot by twiming the screw D Fasten the nut tightly am p 2 Fig 46 33 19 Method of Setting the Starting Point KM 2070P B T Starting Point Setting Flow As in the existing KM 2070P model perform the setting of machine and install the control box 1 Install the B T motor and starting point sensor 2 Connect the B T motor and the starting point sensor cable 3 Install the Dial O P and connect the cable to the digital B D 4 Adjust to make the starting point sensor film
31. s 23 Fig 24 Fig 25 Fig 26 4 Feed Dog Height Adjustment Standard height is 1mm when the feed dog went up the most from needle plate upper face A B C Adjust feed dog support making to move up and down Make the transfer value D to stop at the highest location by turning the sewing machine pulley Lay down the sewing machine Unscrew the fixing screw by turning the eccentric axis of feed dog support Fasten fixing screw 2 tightly 5 Feed Dog Slope Regulation When the feed dog went up to the maximum from upper face of needle plate standard slope is made that upper face of needle plate and upper face of feed dog should be parallel 0 mark on eccentric axis of feed rolling bracket matches with the mark on feed rolling bracket A B C Adjust eccentric axis of feed rolling bracket by turning Make the feed dog D to stop at the highest location by turning the sewing machine pulley Lay down the sewing machine Unscrew 2 pieces of stop screw within 90 to arrowed direction against standard location Place the slope of upper face of feed dog D downward direction to the user s side in order to prevent puckering Figure A Place the slope of upper face of feed dog upward to the user s side to prevent the cloth to go crisscross Figure B Fasten fixing screw 2 pieces tightly Adjusting the slope of feed dog
32. s turned right and left the number displayed in is changed As the number displayed in gets bigger the stitches will be longer in the case of regular sewing Condense Sewing Backward Sewing When the condense adjustment dial is turned right and left the number displayed in is changed As the number displayed in gets bigger the stitches will be longer in the case of condense sewing When the LED above FWD turns on the machine works in the regular sewing forward sewing direction And when the LED below BWD turns on the machine works in the backward sewing direction 20 Fig 19 Fig 20 SEWING Note Please attach protection device for safety Using without attaching this device it becomes cause of injury Please turn off the power the following cases Pedaling by mistake the sewing machine operates and it becomes cause of injury Upper Thread passing Exchange of bobbin or needle When not using the sewing machine or in case of being away from the sewing machine Please do not touch or press the operating part while sewing It becomes cause of injury or breakage of sewing machine Do not touch the solenoid part in case of the sewing machine with automatic presser foot lifter You can get burns upon touching it 1 Sewing Method A Turn on the power switch Width B Execute required set
33. sewing machine pulley and attach with joint screw three screws B Fasten the tapping screw 9 two keeping belt cover C not to contact to belt cover AD 7 Thread Stand Installation Install the thread stand on the table e t 8 009 a Fig 10 14 8 Power Voltage and Power Code Connection A Voltage Specification Match the indication of voltage to specification of power code and connect the cable 1 Must not use on condition that voltage specification is different 2 In case of change the using voltage refer to article Power Voltage Changing Method Single phase connection 100 110V 120V 200V 220V 240V Three phase connection 200V 220V 240V 380V 440V B Power Voltage Changing Method n voltage of 110V series 220V series and 380 440V specification you can change into the voltages as follows by just changing the location of power voltage switching connector Voltage change of 100 220V specification Trans former Model KM 2070P 110 Voltage change of 220V specification Trans former Model KM 2070P 220 Voltage change of 380 440V specification Trans former Model KM 2070P 440 Location of Power Voltage Location of Power Voltage Location of Power Voltage input voltage Switching Connector Switching Connector Input Voltage Switching Connector 95V 105V JP3 190V 210V JP1 345V 415V JP4 106V 115V JP4 21
34. t fully unfasten the fixing nut D to up and down tension occurs to belt by self weight of motor On this condition fasten the fixing nut first and the fixing nut tightly 4 Installation of Presser Foot Lifter Pad A Insert the presser foot lifter pad group D packed in the accessory box into control body shaft of oil fan After unfastening the volt and deciding the location convenient of operation for presser foot lifter tightly fasten again 5 Adjustment of Presser Foot Lifter group Pad A Put down the feed dog lower than top of the needle plate by turning the pulley B Put down the presser foot to presser bar lifterCD C Unfasten nut D Adjust by turning the joint screw that operation olume space of control body should become about 2mm when lightly press the presser foot lifter pad group by hands E After adjustment joint the nut tightly F Unfasten the nut G Adjust by rotating joint screw that joint screw becomes about 7mm higher than control body H Adjust by turning joint screw amp that presser foot becomes within 10mm than needle plate when hardly pressed the presser foot lifter pad group After adjustment joint the nut tightly 13 Fig 6 e CSI C 600 6 Belt Cover Installation A After inserting belt cover into
35. the thread through hole D turn it from the behind of tension adjustment dish to the front b Bring the thread to bobbin 3 and wind 5 6 times to clockwise direction from the bottom c Making pulley to reach to V belt by pushing lever and then operate the machine d Upon the lower thread is wound all to bobbin the pulley automatically detaches from V belt e Proper amount of thread wound to bobbin is about 80 Note Please make the amount of thread being wound to be 80 to the maximum B Adjustment of Lower Thread Winding KM 2070 L KM 2070 7M KM 2070 M Fig 17 Fig 18 a In case that the lower thread is irregularly wound adjust by unscrewing and moving the screw to the left and right and then fasten it again b Winding amount of the lower thread increases turning the adjustment screw to clockwise direction and decreases turning to the opposite direction c Tension adjustment of lower thread being wound to bobbin gets strong turning the nut to clockwise direction and gets weak turning to opposite direction 19 6 Upper Thread Passing Method After making base line of thread take up lever to match with U mark on the face plate by turning the sewing machine pulley Up stop location of need hang the upper thread as shown in the figure 7 Adjusting of Stitch Number Regular Sewing Forward Sewing When the feed adjustment dial CD i
36. tings such as sewing pattern or width on the operation panel C Setthe stitch width with feed adjustment dial D Step the pedal and start sewing Stitch width Fig 21 21 MACHINE REPAIRING METHOD As the machine was set to the optimal status at the moment of factory shipping do not adjust the machine Warning status optionally and when exchanging the parts please change with the genuine parts that the company authorizes 1 Thread Tension Adjustment A Lower Thread Tension Adjust tension of lower thread by turning the thread tension adjusting screw D of bobbin case Turning to the Strong clockwise direction tension gets strong and turning to the opposite direction it gets weak Fig 22 B Upper Thread Tension Adjust tension of upper thread after adjusting the tension of lower thread 1 Put down the presser foot 2 Adjust by turning tension adjusting nut 3 After adjusting tension of upper thread check whether rotary dish rotates with the upper thread by pulling the upper thread to the arrowed direction In case that it does not rotate tighten the auxiliary thread tension adjusting stud Note Strong If tension of auxiliary thread adjusting device stud is too weak thread slides and so rotary dish becomes not to rotate Auxiliary thread adjusting device stud should be adjust as weak as possible that rotary dish rotates smoothly
37. to the lowest point height is from upper face of auxiliary needle plate to the bottom of needle bard match to the height of timing gauge of the parts A In case of thread cutting type take off presser foot needle plate auxiliary needle plate and needle plate spacer Place auxiliary needle plate to the needle plate attachment face on sewing machine bed Put the needle bar to the lowest point by turning the sewing machine pulley Attach needle plate spacer in case of thread cutting type that from upper face of auxiliary needle plate 2 to the bottom of needle bar D should be height of timing gauge AQ x When adjusted needle bar height adjust timing of needle and hook as well 26 Fig 31 9 Needle and Hook Timing A Tum onthe power switch B Press N1 and key on the operation panel at the same time Refer to hook test function in 14 3 C Take off presser foot needle plate auxiliary needle plate feed dog and needle plate spacer D Place auxiliary needle plate to needle plate attachment part of sewing machine bed E When matched from the upper face of auxiliary needle plate to the bottom of needle bar with height of timing gauge B by turning sewing machine pulley and raising the needle bar higher than the lowest point check the followings Match the sharp end of hook with center of needle Interval of sharp end of hook and needle is 0 0 0
38. y moving handle 3 and hang the thread on the groove as shown in the figure C Cut the thread by turning the mobile mess to original status Then measure the tension when pulling out the thread holding by lower thread presser D Adjust tension of lower thread presser to 0 03 0 08N 3 8gf by turning screwG 16 Exchange of Fixed Mess and Moving Mess m Removing method A Remove joint screw D and and remove mess unit B Remove joint screw and remove mess presser 5 C Remove fixed mess and mobile mess Fig 43 m Attachment Method A Attach fixed mess amp and mobile mess to mess bracket B Attach mess presser with joint screw C Put mess unit close to section of needle plate and attach with joint and Q Fig 44 32 17 Gauge Parts In case of using presser foot needle plate and feed dog for other except 8mm of width when operating the sewing machine needle can contact to needle plate or needle can be broken Hence limit width as follows and exchange needle bar stopper Classification L mm Remarks 16 4 For 8mm basic specification B 18 4 For 10mm 13 4 For 5mm lt L gt D 11 4 For 3mm Needle bar stopper for other 8mm can be mounted as standard parts according to specification In such case check the parts by L size Method of Needle Bar Stopper In case of using p
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