SunStar KM-2070P User Manual Download | Manualshive

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USER S MANUAL

KM-2070P SERIES

R

Electronically Controlled
1-Needle ZigZag Lock Stitch
Machine
(Mechanical Part)

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Summary of Contents for KM-2070P

Page 1: ...USER S MANUAL KM 2070P SERIES R Electronically Controlled 1 Needle ZigZag Lock Stitch Machine Mechanical Part ...

Page 2: ...e powerful operation enhanced durability and more sophisticated design to meet a number of user s needs 2 Please read this user s manual thoroughly before using the machine Make sure to properly use the machine to enjoy its full performance 3 The specifications of the machine are subject to change aimed to enhance product performance without prior notice 4 This product is designed manufactured and...

Page 3: ...ntrol 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 How to Set a Needle 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 20 7 Adjusting of Stitch Number 20 6 Sewing 21 1 Sewing Method 21 7 Machine Repairing Method 22 1 Thread Tension...

Page 4: ... Cam 31 15 Tension Adjustment of Lower Thread Presser 32 16 Exchange of Fixed Mess and Moving Mess 32 17 Gauge Parts 33 18 Adjustment of the Device for Rasing Presser Foot Minutely 33 19 Method of Setting the Starting Point 34 8 Maintenance 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 ...

Page 5: ...t and moisture stains and rusts the machine Install an airconditioner and clean 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 wh...

Page 6: ...hecking 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 ⓙ If possible install the machine away from source of strong electrical noise such as high frequency welding machines 1 4 Machine Operation Warning Warning Belt will crush or amputate finger or hand keep cover in...

Page 7: ...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 고압 전류에 의해 감전될 수 있으므로 커버 를 열 때는 전원을 내리고 전원 플러그를 뽑 고 나서 360초간 기다린 후 여십시오 CAUTION 경 고 Do not operate without finger guard and safety devices Before threading changing bobbin and needle cleaning etc switch off main switch 손가락 보호대와 안전장치 없이 작동하지 마십시오 실 보빈 ...

Page 8: ... Feed Dog Motor Specification Power Supply Power Consumption Temperature Humidity Airborne noise level Upper Thread Feeding Device Backtack Condense Device Wiper 1 0mm 550W A C Servo Motor 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 5 10 DP Hook Titanium Coated Inner Hook Hook Center is Offset Rotary Thread Take up 6mm 10m...

Page 9: ...9 3 R Face Plate Guard Automatic Presser Foot Lifter Option 1 Part Name of Machine Motor Arm Thread Stand Operation Panel Belt Cover Power Switch Control Box Feed Control Panel ...

Page 10: ...10 2 Internal Structure of Control Box Fan Digital Board Transformer Power Board Servo Motor Drive Board Step Motor Drive Board ...

Page 11: ...f 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 3 Safe Table Mounting of Machine A Please fix control box power switch motor and hinge rubber to the table Fig 1 Note Install the machine by trained technician Ask electric wiring to the electr...

Page 12: ...put down the head of sewing machine on head support rubber A and head support rubber B on top of the oil fan Fig 2 Fig 3 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 12 Fig 4 E On condition that stood the machine as shown in the figure insert V ...

Page 13: ...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 lifter 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 scre...

Page 14: ...ng machine pulley and attach with joint screw three screws 6 Belt Cover Installation Fig 9 B Fasten the tapping screw two keeping belt cover C not to contact to belt cover A 7 Thread Stand Installation Install the thread stand on the table Fig 10 14 ...

Page 15: ...rmer Model KM 2070P 220 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 series transformer should replace Input Voltage 95V 105V 106V 115V 116V 125V JP3 JP4 JP5 LocationofPowerVoltage SwitchingConnector Input Voltage 190V 210V 211V 230V 231V 250V JP1 JP2 JP3 LocationofPowerV...

Page 16: ... Wiring of Control Box Fig 13 Cooling Fan Control Box Digital Board 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 6 Encoder Cable Green 5 Synchro Cable Black 3 Pedal Cable Yellow 4 Sensor Cable 26 Main Motor Cable 24 Reverse Switch Cable 25 Auto Presser Foot Lifter ...

Page 17: ...the designated quantity after opening the cover of control box Danger No F6 F5 F4 F3 F2 F1 Quantity 5A 7A 0 5A 0 5A 0 5A 5A Use For the protection of main power For the protection of solenoid For the protection of air valve For the protection of cooling fan For the protection of step motor For the protection of step motor driving board control power 11 Head Earth Connection Please connect the head...

Page 18: ...o end of the insertion hole of the needle bar and fasten the needle fixing screw tightly Note Supply the oil immediately when it gets lower to the line marked LOW Fig 15 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 of case C Detaching the handle bobbin is detached Note In case of thread...

Page 19: ...L KM 2070 L KM 2070 7M KM 2070 M A Lower Thread Winding a After passing the thread through hole turn it from the behind of tension adjustment dish to the front b Bring the thread to bobbin 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 ...

Page 20: ...e 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 wo...

Page 21: ...ecomes cause of injury Please turn off the power in 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 machin...

Page 22: ... 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 B Upper Thread Tension Note If tension of auxiliary thread adjusting device stud is too...

Page 23: ... 3 Adjust location by turning main thread tension adjusting device 4 Unfasten the fixing screw firmly Fig 24 3 Presser Foot Height Adjustment When put up the presser foot by presser bar raiser standard rising amount of presser bar is 6mm A Unscrew the joint screw 2 pieces and remove faceplate guard B Unfasten nut and pressure adjustment screw inorder not to be given pressing pressure C Put up the ...

Page 24: ...per 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 Make the feed dog to stop at the highest location by turning the sewing machine pulley B Lay down the sewing machine C Unscrew 2 pieces of stop screw D Adjust eccentric axis of feed rolling bracket by turning within 90 to arrowed direction against standard locati...

Page 25: ... D Fasten fixing screw tightly Fig 29 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 to C mark of face plate A Lay down the sewing machine B Match the base line of thread take up to B mark of face plate C Unscrew the fixing screw 4 pieces of lower shaft timing pulley D Turn the fe...

Page 26: ...late auxiliary needle plate and needle plate spacer B Place auxiliary needle plate to the needle plate attachment face on sewing machine bed C Put the needle bar to the lowest point by turning the sewing machine pulley D Attach needle plate spacer in case of thread cutting type that from upper face of auxiliary needle plate to the bottom of needle bar should be height of timing gauge A When adjust...

Page 27: ...eightofneedlebar H In case that over lapped section sewing causes needle flow make needle support to contact to needle by bending needle support as showninthefigure a Since then check whether interval of point of hook and needle is 0 0 05mm I Pressing PARA SET key on operation panel it is converted to embroideryavailablestatus Incaseofusing10mm 1 Movethelocationofneedletotheleftestplace 2 Whenpoin...

Page 28: ...t needle down stop location 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 Note Attachment location of synchronizer was set at the moment of shipping When t...

Page 29: ...seconds at the speed number of sewing machine that actually sews Quality of lubrication check paper does not matter C Confirm the oil quantity spread on the paper You must check the average lubrication amount by repeating 3 4 times Fig 37 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 ...

Page 30: ... 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 Fig 3...

Page 31: ...f groove straight line partⓐ of thread cutting cam easily G Fasten the stop screw H Fasten stop screw tightly by closing thread cutting cam collar to thread cutting cam Fig 41 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...

Page 32: ...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 screw 16 Exchange of Fixed Mess and Moving Mess Fig 43 Removing method A Remove joint screw and and remove mess unit B Remove joint screw and remove mess presser C Remove fixed mess and mobile mess Fig 44 Attachment Method A At...

Page 33: ... needle bar stopper for 10 8 5 and 3mm A Remove needle bar stopper by unscrewing the fixing screw 2 pieces B Attach needle bar stopper inserted into needle bar stopper plate 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 ne...

Page 34: ...he 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 Adjustment of the starting point of the needle bar YES YES YES YES NO NO NO NO 1 Perform the basic adjustment by adjusting the starting point sensor film p...

Page 35: ... screw 2 pieces E Remove bobbin case F Remove dust on hook 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 substances from bobbin case with cloth H Put bobbin into bobbin case and set bobbin case to sewing machine I Lay down head part of sewing machine J Wash foreign substances on remove clean with cloth K If oil is low...

Page 36: ...36 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 9 4 0 5 1 15 15 R5 5 ...

Page 37: ...needle Contact of needle and shuttle Interval adjustment of needle and shuttle Thread inserting is not correct Strong tension of upper thread and lower thread 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 Tension adjustm...

Page 38: ... up spring Exchange tension of mobile mess and fixed mess is relaxed Abrasion of groove on knife part of mobile mess and fixed mess Needle replacement Needle replacement Needle remounting Readjustment of needle and hook timing Upper thread tension adjustment Lower thread tension adjustment Readjustment of needle and hook timing Readjustment of thread cutting cam location Readjustment of needle bot...

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