Jack C4 Training Courseware
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Jack C4 Training Courseware

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  • Page 1 C4 Training courseware...
  • Page 2 CONTENT PRODUCTS INTRODUCTION IMPROVED POINTS INTRODUCTION OPERATION INSTRUCTIONS MAINTENANCE INSTRUCTIONS...
  • Page 3 PRODUCTS INTRODUCTION IMPROVED POINTS INTRODUCTION OPERATION INSTRUCTIONS MAINTENANCE INSTRUCTIONS...
  • Page 4 Product introduction –general introduction C4 series, supper high speed automatic overlock machine ,is iterative product of JK-900E，not only inherit the mechanical advantage of JK- 900E，but only use non-shell hall servo motor 、 integrated control box、three proofing sensor、 needle bar avoiding oil leakage technology、USB technology and several other new technology,voice guide，bigger sewing range，...
  • Page 5 Product introduction -Type plate introduction C4 - 4 - M 0 3 / 3 3 3 Feed dog teeth space distance1.6mm Feed dog teeth column number Upper looper stroke6X6 Medium-heavy material Normal seam for medium –heavy material Thread number Product model...
  • Page 6 Product Introduction -technical specifications C4 The Fastest Automatic Overlock Type/Name Machine Highest Speed 7000rpm/min Max Length(mm) 0.8-4.8 Thread Wideth（mm） 1.5-8.0 Differential 0.7-2.0 Presser Foot Height（mm） 5.0-7.0 Needle Type DCX27 Needle Bar Height （general）10.4mm/12mm（heavy） Needle Bar Stroke （general）24.5mm/26mm（heavy）...
  • Page 7 Product Introduction -various models Parameters of Various models C4 Stitch Stitch Presser pneu Needle Needle Thread Gauge Differe Speed Code Model Wideth Length Foot mati Type Number Type (mm) ntial （S.p.m） (mm) (mm) C4-02×250（Pocket ） 0.7-2 7000 √ C4-3-02/233（general） ——...
  • Page 8 Content LOREM IPSUM DOLOR Product introduction Improved point introduction Operation instruction Maintenance instruction...
  • Page 9 Improved point introduction New Outlook Design New Visual Hammer New Strip Technology...
  • Page 10 Improved point introduction USB upgrade Integrated control New Panel box, easy to use Easy to operate...
  • Page 11 Improved point introduction Inset LED light The thread clamp Needle bar suction nozzle Good looking device offset To prevent the needle bar leak oil...
  • Page 12 Improved point introduction The sensor cover Independent Three transmitters wear prevention presser foot wrench Easy operation...
  • Page 13 Improved point introduction Built-in Presser foot push rod Build-in compressive bar fork design integrated box Higher precision Force uniform, noise Good looking reduction...
  • Page 14 Improved point introduction Thread take-up Hall without shell radian evenly Servo motor The third piece of oil Collect thread seal more stable Oil leak prevention...
  • Page 15 PRODUCTS INTRODUCTION IMPROVED POINTS INTRODUCTION OPERATION INSTRUCTIONS MAINTENANCE INSTRUCTIONS...
  • Page 16 Operation instructions - machine introduction Embedded Embedded integrated Simple junction box operation panel Separate emitter Integrated Anti-sun, electric control dust, box&motor abrasion Large air sensor volume finger print hand Tilt tension wheel devices USB Port...
  • Page 17 - Introduction to the operation interface Operation instructions icon introduction remarks User parameter Enter user parameters setting key 1, backlight brightness adjustment 2, Left key parameter content area, select the left side of the parameters of the degree of items 1、Increase Speed2、parameter content area，...
  • Page 18 Operating Instructions - Introduction to the three operating modes Press the mode key（ ），You can adjust the three modes, continuous press this key, followed by three modes: all intelligent (three automatic), semi-intelligent (two automatic), Full computer (Step for sewing,back step for triming ，After setting, press ( ) to save, Note: (parameter...
  • Page 19 –thread trimmer model introduction Operating Instructions Press trimmer mode key （ ），to adjust the trimmer mode， continusly press this key，switch the trimmer mode In cycles：Pre-cutting、 after cutting、Pre & After cutting、 Off、Pre-cutting length adjust （Press 、 ，Small value means long）、 After cutting length(Press 、...
  • Page 20 Operating Instructions – auto presser foot lifting introduction Press auto-presser-foot Key（ ）， to adjust the auto-presser-foot mode， continually press this key，switch the auto-presser-foot mode In cycles：Pre lift、after lift、pre&after lift、Off， press（ ）to save，5S no action is back to the standby interface。 parameter association：When P10=1 or P10=3 （Pre lift or pre&after lift），...
  • Page 21 Operation Instructions Speed Adjustment IntroductionMOV In stand-by mode, press （speed up） one time increase by 100RPM，press （speed down）one time decrease by 100RMP ，then press（ ）to save，if no any press for 5S, then it will be back to stand-by mode automatically.
  • Page 22 Operation Instructions-S creen and LED brightness AdjustmentMOV There are three levels for the screen brightness. In stand-by mode, press continuously to adjust the screen brightness. Now， instead of Eight kinds of countries’language for switching There are four levels for the LED brightness.
  • Page 23 Operation Instructions-Voice Guide Adjustmentmp4 There are greeting voice and key- pressing guide voice. In stand-by mode, short press to turn on and off the greeting voice. Long press to turn on and off the pressing guide voice. When Error is there, you can short press the voice key to guide you how to solve the problem.
  • Page 24 Operation Instructions-One-key Reset AdjustmentMOV Press for 1.5s to user default parameter reset(user default parameter: Users adjust the parameter according to his own habit and requirement; After changing value of parameter 21 to 1 for backup; press is for user default parameter reset.
  • Page 25 Operation Instructions-Key Lock AdjustmentMOV When you change the value of parameter 62 to 1, all the keys in the panel will be locked, all the keys don’t work. Long press for 1.5s to unlock, all the keys will work.
  • Page 26 Operating Instructions – Introduction for quick switch adjustment of avoid-cutting sensor Long press key 3S, avoid-cutting sensor switch quickly change, avoid-cutting sensor is turned on by default, avoid-cutting sensor delay stitches (P50) defaults to 0. (If the P50 item saves the parameter value change, the P50 item parameter is equal to the user saves the parameter value).
  • Page 27 Operating Instructions – Introduction for quick switch adjustment of avoid-cutting sensor Long press key 3S, avoid-cutting sensor switch quickly change, avoid-cutting sensor is turned on by default, avoid-cutting sensor delay stitches (P50) defaults to 0. (If the P50 item saves the parameter value change, the P50 item parameter is equal to the user saves the parameter value).
  • Page 28 Instructions-Automatic environment recognition function：（new function） According to different environments, machine will automatic identification of environmental functions, the specific operation is as follows: Under the standby mode, press the P ( ) key + the voice ( ) key, Enter to environment automatic identification function, after identify will automatically return Go back to the sewing interface.
  • Page 29 Operation instructions - digital tube display introduction Digital part: Actual value Digital display English alphabet part: A B C D E F G H I J English alphabet Digital display K L M N O P Q R S T English alphabet Digital display U V W X Y Z...
  • Page 30 Operating Instructions - Parameter mode introduction 1. User parameter mode MOV In the standby interface, press the P ( ) key 1.5S, enter the user parameter mode adjustment: through the key, to modify the parameter adjustment item, through the key , key to adjust the corresponding parameter value.
  • Page 31 Operation instructions – Parameter Introduction No. Function parameter Range Defaults Parameter Description User area: press and hold the "P" key for 1.5 seconds to enter 500 - P1 Maximum speed 6000 7000 0：No positioning 1：up position P2 Stop positioning selection 0 - 2 2：...
  • Page 32 Operation instructions – Parameter Introduction 0：off 1：start trimmer P7 Auto trimmer 0 - 3 2：end trimmer 3：start and end trimmer 0：off 1：suction on for start trimmer 2：suction on for end trimmer P8 Auto suction 0 - 4 3：suction on for start and end trimmer 4：suction always on Reverse press pedal 0 - 1...
  • Page 33 Operation instructions – Parameter Introduction 0：off 1：presser foot lift resser foot lift when half 0 - 1 when half or full reverse press reverse press pedal pedal 0：off 1：back suction P14 manual suction 0 - 2 2：front and back suction P15 LED light switch 0 - 3 0：off...
  • Page 34 Operation instructions parameter Introduction P19 control software version control software version P20 Panel software version Panel software version 0：No operation； 1：Save parameter for user P21 User parameters commonly used 0 - 1 commonly used P22 Front sensor switch 0 - 1 0：off 1：on Front suction opening time...
  • Page 35 Operation instructions parameter Introduction Technician area：press “P”and “presser foot key “as the same time Setting stitch number, Machine Stitch between front and back 1 - 250 stopping if finishing fabric sewing sensor and no shield for the sensor. P27 stitch delay for front trimming 0 - 10 Stitch number more, thread short P28 Stitch delay for back trimming...
  • Page 36 Operation instructions -parameter Introduction Sensitivity is more higher, its easy to sensor 20 - 40 identify the transparent material. sensitivity(for avoiding cutting the fabric ) Stitch number between back sensor and 1 - 99 third sensor. P35 Stitch delay for machine stopping 1 - 99 10 （*10 ms）（Sensitivity）...
  • Page 37 Operation instructions -parameter Introduction （*100 ms） P40 Back presser foot opening time 0 - 20 （*10 ms） P41 Presser foot giving power time 1 - 50 （/10 ms）Opening time, The round Presser foot giving power 0 - 50 round signal time is 5MS.
  • Page 38 Operation instructions -parameter Introduction P48 Search needle up position 0 - 1 0：off 1：on （/10 ms）closing time ，The round Presser foot closing round 0 - 50 signal time5MS Stitch number delay ,Sensor for stitch number more, the thread is 0-50 avoiding cutting fabric long after trimming.
  • Page 39 Operation instructions - parameter Introduction 0：off 1：on（magnet tesing） P56 B item testing 0 - 2 2:tesing fabric status P57 Persser foot protecting switch 0 - 1 0：off 1：on P58 Sewing plate protecting switch 0 - 1 0：off 1：on Needle bar cover protecting 0 - 1 0：off 1：on switch...
  • Page 40 Operation instructions -parameter Introduction Stitch for speed down 1- 200 Speed down 500 - 7000 3500 The data is more higher, The Front sensor level adjust 0 - 100 voltage is more higher than sensor . The data is more higher, The Back sensor adjust 0 - 100 voltage is more higher than sensor .
  • Page 41 Operation instructions -parameter Introduction 0：off ； 1：counting number higher； 2：counting number lower； number counting mode 0 - 5 3：counting number higher alarm ； 4：counting number lower alarm 5：eliminating alarm for counting full Before leaving the fabric after cutting line/ Forced aftering thread The sensor does not cover the third sensor 0-20 delay number of threads...
  • Page 42 Operation instructions -parameter Introduction 0：Four wire type default speed Factory default speed P01=6000 P03=5500 parameter 1：Five wire type default speed P01=5000 P03=5000 Note：21,33,37 ,38 parameter is different with 900E, The others parameter is as same as 900E...
  • Page 43 Operation instructions -parameter Introduction System operator parameter （P+Upper key，Setting password for enter into : 0 ： off ； 1 ： Opening testing Connecting plate error code function for connecting plate Luminance adjustment Internal speed limited 500-7000 6000 0 ： Normal sewing mode direction...
  • Page 44 Operation instructions- The introduction of parameters 0 ： Chinese 1 ： English 2:Russian 3 ： Language Arabic 4 ： Turkish 5 ： Portuguese 6 ： Spanish 7：Indonesian 8：Vietnamese Motor rotation 1 : Reversal （ motor in normal position ） direction 0 ：Forward Pedal speed curve mode 0：straight line1：...
  • Page 45 Operation instructions- Monitoring mode form Description Exit the monitoring mode No (reserved) Motor duty cycle Alternating current AC input voltage Pedal voltage sampling value Front sensor voltage value Second sensor voltage value Third sensor voltage value Real-time speed value...
  • Page 46 Operation instructions- Monitoring mode form Description Anti-interference pre-sensor voltage (reserved) Anti-interference second sensor voltage (reserved) Anti-interference third sensor voltage (reserved) busbar voltage reserved reserved Transfer board version number (reserved) Mainboard software version number The mainboard software version number Panel software version number Panel software repair version number...
  • Page 47 Operation instructions- Error number form Description(Voice Solution（Press（ ）to broadcast） reminder) Pls check whether the machine head stuck or not, or rotate very tough； Motor stalled pls check whether the motor plug and sensor connection loose or not；if cannot solve the problem, pls contact the local agent. Pls check the voltage normal or not；pls reset the machine or restart；...
  • Page 48 Operation instructions- Error number form Pls check whether the presser foot back to the correct position or Presser foot safety not；if not working, pls change the value number 1 to 0 of P57；if switch wrong position cannot solve the problem, pls contact the local agent. Pls check whether the sewing bed back to the correct position or Sewing bed safety not；if not working, pls change the value number 1 to 0 of P58；if...
  • Page 49 Operation instructions- Error number form Pls check the voltage；pls reset the machine or restart；if cannot Stop over voltage solve the problem, pls contact the local agent 。 System under Pls check the voltage；pls reset the machine or restart；if cannot voltage solve the problem, pls contact the local agent 。...
  • Page 50 Operation instructions- Error number form Pls check whether the material is too heavy or not；Pls check whether the machine head stuck or not, or rotate very tough；pls Motor overload check whether the motor plug and sensor connection loose or not； if cannot solve the problem, pls contact the local agent.
  • Page 51 Operation instructions- Error number form Restore factory settings After the shutdown is restarted, the factory settings are error restored. EA1 Ascending count full Press the“P”key to clear, or set the P71 parameter to "5" EA2 Descending count full Press the“P”key to clear, or set the P71 parameter to "5" Note：...
  • Page 52 PRODUCTS INTRODUCTION IMPROVED POINTS INTRODUCTION OPERATION INSTRUCTIONS MAINTENANCE INSTRUCTIONS...
  • Page 53 Maintenance instructions Screw of needle 1. Needle bar height adjustment bar adjustment When the needle bar comes to the heighest point, and the distance between needle to needle plate is 10.5mm(4 threads) and 10.5mm 10.5mm 11.5mm(5threds),then fasten the screw.
  • Page 54 Maintenance instructions 2.Under looper adjustment When the needle bar comes to the lowest point, the tip of looper to the left needle is 3-3.5mm, the distance to the left needle is 0.03-0.05mm. 3-3.5mm left and right adjustme nt screw Front and behind adjustment screw...
  • Page 55 Maintenance instructions 3. looper getting thread adjustment When the looper moves from left to right, till the looper tip on the needle hole about 1-1.5mm. 3-3.5mm...
  • Page 56 Maintenance instructions 4. Chain thread looper adjustment Chain thread looper moving to the leftpoint,keep looper tip has a distance about 1.5-1.7mm to chain thread needle middle. At the same time, looper don't touch with needle. 1.5-1.7mm looper can't touch with needle...
  • Page 57 Maintenance instructions 5.Thread cam adjusment（5 thread）： When the needle move to highest point， Thread cam start to hold thread (as right picture）...
  • Page 58 Maintenance instructions 6.Adjustment of upper looper： When upper looper move to highest piont， The distance between looper tip and left needle hole 5.4-5.7mm Is 5.4-5.7mm（4 thread）、 11.5mm 4.5-5mm（5 thread），the height from looper tip to needle plate Is 11.5mm（4 thread）、10.5mm(3 thread、5 thread)。...
  • Page 59 Maintenance instructions 7.Converges adjustment of upper and lower looper ： When the upper and lower looper move to converges，d gap is 0.2mm，c gap is 0.5mm...
  • Page 60 Maintenance instructions 8.Adjustment of back needle guard： When lower looper move to the thread holding point of looper from left to right moving ， Back needle guard has to touch the needle ,but can’t push the needle .
  • Page 61 Maintenance instructions 9.Adjustment of front needle guard： When back needle guard touch the needle ，the gab between front needle guard and needle is 0.2-0.5mm. 0.2-0.5mm...
  • Page 62 Maintenance instructions 10. Feeding teeth height adjustment: When the needle bar to 0.8-1mm the highest movement (to the highest feed dog), the distance of feed dog to the needle plate plane is 0.8-1mm.
  • Page 63 Maintenance instructions 11. Adjust the height of the presser foot: According to the thickness of the sewing fabric can 5-7mm press the foot limit screw, adjust the height of the presser foot appropriately in the range of 5-7mm. Press the foot limit screw...
  • Page 64 Maintenance instructions 12. Adjustment of upper and lower cutter: The upper and lower cutter and the needle plate plane are preferably parallel, the left and right location are subject to the upper cutter, the upper cutter is subject to the width of and the range of bite is 0.5-1mm.
  • Page 65 Maintenance instructions 13.Adjustment of the needle distance: As shown in the figure, Needle distance press the button of needle becomes distance, turn the hand larger wheel until the button to the deepest, forward the button, the needle Needle distance becomes larger distance becomes and reverse the button,...
  • Page 66 Maintenance instructions 14. Adjustment of thread cutting knife: Push the electromagnetic core of thread cutting knife by hand to make the electromagnet core pull and at this time Scissors mouth is close, ensure that there is no gaps between the two knives, the amount of bite is in the 0.5-1mm and tighten the screws, it’s OK.
  • Page 67 Maintenance instructions 15、Differential adjustment： dificit When sewing different fabrics，If you want to adjust the differential, as shown in the right: release the surplus fixed screw, the differential wrench upward deflection, the fabric stretch, down the fabric when the surplus shrink. Fixing Differential screws...
  • Page 68 Maintenance instructions 16、Tooth tilt adjustment： When you need to adjust the tooth tilt, release the set screw, turn the adjustment screw, as shown below, adjust to your desired location. Fixing The front descends he front rises screws Adjust the screws...
  • Page 69 Maintenance instructions ： 17、Motor disassembly Remove the Remove ④Remove the  Remove the positioner handwheel the sleeve electronic control ⑦Motor spindle ⑤Remove the motor ⑥Remove the rotor...
  • Page 70 Maintenance instructions 18、Motor installation： And the rotor The first gap, can not screw touch ①Motor spindle ②Install the rotor ③Install the motor The first screw ⑥Fitted with handwheel ④Install the locator ⑤Installed electric control, bushings...

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