JUKI AMS-251 Instruction Manual
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JUKI AMS-251 Instruction Manual

JUKI AMS-251 Instruction Manual

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AMS-251 / IP-420
INSTRUCTION MANUAL
* "CompactFlash(TM)" is the registered trademark of SanDisk Corporation, U.S.A.

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Summary of Contents for JUKI AMS-251

  • Page 1 AMS-251 / IP-420 INSTRUCTION MANUAL * "CompactFlash(TM)" is the registered trademark of SanDisk Corporation, U.S.A.

  • Page 2: Table Of Contents

    CONTENTS I. MECHANICAL SECTION (WITH REGARD TO THE SEWING MACHINE) 1 1. SPECIFICATIONS ....................... 1 2. CONFIGURATION ....................... 2 3. INSTALLATION ......................3 3-1. Removing the machine head fixing plate ..................3 3-2. Setting up the machine........................4 3-3. Preparations of switches....................... 6 3-4.
  • Page 3 2-7. Checking pattern shape ......................43 2-8. Performing modification of needle entry point ................. 44 (1) Editing the thread tension ......................44 (2) Editing the intermediate presser height ..................45 2-9. How to use temporary stop ......................46 (1) To continue performing sewing from some point in sewing ............46 (2) To perform re-sewing from the start ....................
  • Page 4 1-8. Replacing the fuse ........................120 1-9. Replenishing the designated places with grease ..............121 (1) Types of grease ........................122 (2) Points to be applied with JUKI Grease A .................. 122 1-10. Troubles and corrective measures (Sewing conditions)............124 2. OPTIONAL ....................... 126 2-1.

  • Page 5: Mechanical Section (With Regard To The Sewing Machine)

    I. MECHANICAL SECTION (WITH REGARD TO THE SEWING MACHINE) 1. SPECIFICATIONS Sewing area X (lateral) direction Y (longitudinal) direction 1,000 mm × 600 mm Max. sewing speed 2,500 sti/min (When sewing pitch is 3 mm or less) Stitch length 0.1 to 12.7 mm (Min. resolution : 0.05 mm) Feed motion of feeding frame Intermittent feed (2-shaft drive by stepping motor) Needle bar stroke 41.2 mm...

  • Page 6: Configuration

    2. CONFIGURATION ❹ ❸ ❶ ❺ ❷ ❼ ❾ ❽ ❻ ❶ Machine head ❷ Cassette clamp ❸ Intermediate presser Air regulator ❹ Thread stand ❺ Operation panel (IP-420) ❻ Power switch ❼ Emergency stop switch ❽ Start switch (green) ❾...

  • Page 7: Installation

    3. INSTALLATION 3-1. Removing the machine head fixing plate 1) Open machine head safety cover ❶ . Keep the machine head safety cover ❶ closed while the sewing machine is in operation. ❶ 2) Remove two setscrews ❷ . Detach machine head fixing plate ❸...

  • Page 8: Setting Up The Machine

    3-2. Setting up the machine 1) Install the machine on a flat place with leveled. 2) Loosen nut ❶ and turn level adjuster ❷ to lift ❸ the machine until caster ❸ idles. 3) After the machine has been set up properly, tighten nut ❶...
  • Page 9 [Checking the needle entry] 1) Remove screw ❶ . Detach needle hole guide ❶ ❷ . ❷ 2) Turn machine head ❸ and hook section ❹ so that they face the front. Align marker line A on the bearing with marker line B on gear ring.

  • Page 10: Preparations Of Switches

    3-3. Preparations of switches ❶ ❶ ❶ Loosen respective screws ❶ of the power switch, start switch and emergency stop switch which are placed upside down. Then, place the switches so that they face the worker side and re-tighten the screws.

  • Page 11: Connecting The Power Switch

    3-4. Connecting the power switch Connecting the power source cord The factory default voltage type is indicated on the voltage indication plate. Connect the cord in accor- dance with the specifications. Electric shock Never use under the wrong voltage Voltage warning label and phase.

  • Page 12: Installing The Panel

    3-5. Installing the panel 1) Fix operation box mounting plate ❶ with two ❶ wood screws ❷ . ❷ Install the panel at the position where X-move cover or head grip does not interfere with it since breakage of the panel will be caused.

  • Page 13: How To Install The Thread Stand For Bobbin Winding

    3-7. How to install the thread stand for bobbin winding 1) Pass thread stand arm ❷ over spool rest rod ❸❹ ❺ ❶ and fix with thread stand arm setscrew ❸ and thread stand arm lock nut ❹ . Fit thread stand protection cap ❺ over the top end of thread stand ❶...

  • Page 14: Connecting The Cord

    3-8. Connecting the cord DANGER : 1. To prevent personal injuries caused by electric shock hazards or abrupt start of the sewing machine, carry out the work after turning OFF the power switch and a lapse of 5 minutes or more. 2.
  • Page 15 [Inside of the control box] PWR PCB MAIN PCB FLT PCB FLT-T PCB (single phase 100 to 200V、three phase 200 to 240V) FLT-S PCB (single phase 200 to 240V) SDC PCB CN31 10P CN44 7P CN45 7P CN41 9P CN55 2P CN56 6P CN42 10P CN57 6P...
  • Page 16 CN21 2P CN20 2P CN19 10P CN18 10P PWR PCB CN23 2P CN22 2P CN12 3P CN13 8P CN15 3P CN14 2P CN11 3P CN17 6P CN16 4P CN80 8P CN82 12P CN84 5P SDC PCB CN81 2P CN88 4P CN78 50P CN87 4P CN77 10P...

  • Page 17: Installing The Air Hose

    3-9. Installing the air hose 1) Connecting the air hose Close Connect the air hose to the regulator. ❷ 2) Adjustment of air pressure Open Open air cock ❶ , pull up and turn air adjust- ❶ ment knob ❷ and adjust so that air pressure indicates 0.45 to 0.5 MPa (Max.

  • Page 18: Cautions For The Compressed Air Supply (Source Of Supply Air) Facility

    When the supply air contains a considerable amount of carbon and dust Mist separator (Most troubles in the air solenoid valves are caused by carbon.) Be sure to install a mist separator. Standard equipment supplied by JUKI Filter regulator Air solenoid valve Air cylinder Cautions for main piping •...

  • Page 19: Preparation Of The Sewing Machine

    ❶ 2) Remove rubber cap ❷ . Add JUKI New Defrix Oil No. 2 supplied with the unit into the oil tank. The oil surface in the oil tank must not exceed upper line A.

  • Page 20: Adjusting The Oil Quantity In The Hook

    4-2. Adjusting the oil quantity in the hook 1) Loosen setscrews ❶ (right and left). Detach oil shield ❷ . At this time, do not attempt to forcibly remove the oil shield. Before removing the oil shield, turn the pulley until the needle stops at its up- ❶...

  • Page 21: Adjusting The Hook Oil Quantity (Oil Spots)

    (2) Adjusting the hook oil quantity (oil spots) 1) Remove four setscrews ❷ of round table ❶ . Detach round table ❶ . 2) Turn oil quantity adjustment screw ❸ clockwise until it is fully tightened. ❷ 3) Turn the screw counterclockwise B by half. 4) The oil quantity (oil spots) is increased by turning oil quantity adjustment screw ❸...

  • Page 22: Checking The Emergency Stop Switch

    4-3. Checking the emergency stop switch When the red button of emergency stop switch ❶ ❶ is strongly pressed as far as it goes, the switch is placed in its ON state. When the button is turned clockwise, the switch is placed in its OFF state. Check to be sure that emergency stop switch ❶...

  • Page 23: Needle Size And Gauge

    4-5. Needle size and gauge When changing the needle size, it is necessary to adjust the hook and to replace the gauge. (1) Adjustment In the standard delivery state, the hook has been factory-adjusted to DP × 17 #23 needle. When changing the thickness of the needle, perform the adjustment of "III-1-2.

  • Page 24: Threading The Machine Head

    4-6. Threading the machine head WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start or the sewing machine. – 20 –...

  • Page 25: Installing And Removing The Bobbin Case

    4-7. Installing and removing the bobbin case WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start or the sewing machine. In addition, be sure to close the bobbin replacement cover when re-starting operation in order to prevent personal injury.

  • Page 26: Preparing The Cassette Clamp

    4-9. Preparing the cassette clamp 15 mm (Outside dimension) Cassette clamp 8 mm or less Height 6×M4 12 mm or less 26 mm Height 5.5 mm Origin (Chuck plate mounting base, height) Weight 9.5 kg or less 1) The cassette clamp is separately available by a special order. In the case the customer prepares a cassette clamp, the cassette clamp which is shown in the above figure must be prepared.
  • Page 27 ❷ ❶ ❷ ❹ ❸ 3) Temporarily fix chuck plates (40181516) ❷ at the 782-mm pitch positions of cassette clamp ❶ with setscrews and washers. (Chuck plates, setscrews and washers are packed in the accessory box.) 4) While fitting chuck plate ❷ against chuck ❸ , attach the cassette clamp in place. Then, securely fix chuck plates ❷...
  • Page 28 1 mm is provided in section B when the chuck is aligned with the chuck plate at section A. Then, fix the chuck plate B with screws ❾ . * Apply JUKI Grease A to the contact section indicated in a dotted circle in Fig. I. – 24 –...

  • Page 29: Adjusting The Thread Tension

    4-10. Adjusting the thread tension If thread tension controller No. 1 ❶ is turned ❶ clockwise, the length of remaining thread on the needle after thread trimming will be shorter. If it is Longer turned counterclockwise, the length will be longer. ❷...

  • Page 30: Intermediate Presser Height

    4-11. Intermediate presser height 1. When raising the intermediate presser height, turn the pulley by hand to lower the needle bar, and confirm that the needle bar does not interfere with the intermediate presser. 2. Take care not to allow your hands and fingers to be caught in the cassette clamp or the intermediate presser.

  • Page 31: Operation Of The Sewing Machine

    5. OPERATION OF THE SEWING MACHINE WARNING : Take added care not to press a wrong button in order to prevent an accident caused by sudden start of the sewing machine. 5-1. Sewing Take care not to allow your hands and fingers in the intermediate presser and cassette clamp when they move.

  • Page 32: Operation Section (With Regard To The Panel)

    File that extension is ".DAT" Read from media. Max. 999 patterns can be used. 2) Using the data (M3 data) of AMS-210D series with AMS-251 There are two ways to use M3 data with AMS-251. ① Reading by using IP-420 Use PC (personal computer) and copy file (¥AMS¥AMS00xxx.M3) of M3 from floppy disk of AMS-D...
  • Page 33 3) Folder structure of the media Store each file in the directories below of the media. Media drive VDATA Vector format data : VD00 . VDT Store in ¥VDATA. Store vector format data. VD00 . VDT M3 data : AMS0 .
  • Page 34 ■ Removing the CompactFlash (TM) 1) Hold the panel by hand, open the cover, and press the media ❷ removing lever ❶ . The media is eject. When the lever ❶ is strongly pressed, ❶ the media ❷ may be broken by pro- truding and falling.
  • Page 35 • When the storage space of a USB device is partitioned, only one partition is accessible. • Some type of the USB device may not be properly recognized by this sewing machine. • JUKI does not compensate for loss of data stored on the USB device caused by using it with this sewing machine.

  • Page 36: When Using Ip-420

    2. WHEN USING IP-420 2-1. Name of each section of IP-420 (Right side) (Front) ⑥ ⑦ ⑧ ⑨ ① ⑩ ⑪ ② ⑫ ④ ⑤ ③ ① Touch panel・LCD display section ② → READY key Changeover of the data input screen and the sewing screen can be performed.

  • Page 37: Buttons To Be Used In Common

    2-2. Buttons to be used in common The buttons which perform common operations in each screen of IP-420 are as follows : → CANCEL button This button closes the pop-up screen. In case of the data change screen, the data being changed can be cancelled.

  • Page 38: Basic Operation Of Ip-420

    2-3. Basic operation of IP-420 ① Turn ON the power switch When the power is turned ON first, the language selection screen is displayed. Set the language you use. (It is possible to change with Memory switch When ending the selection screen with CANCEL button or ENTER button without performing the language selection, the language selection screen is...

  • Page 39: Lcd Display Section At The Time Of Sewing Shape Selection

    2-4. LCD display section at the time of sewing shape selection (1) Sewing shape data input screen Button and display Description PATTERN BUTTON NEW Pattern button new register screen is displayed. REGISTER button → Refer to "II-2-15. Performing new register of pattern button" p.56 USERS’...
  • Page 40 Button and display Description SEWING SHAPE NO. Kind and No. of the sewing shape being selected at present is displayed. display There are 4 kinds below of the kinds of sewing shape. : Users' pattern : Vector format data : M3 data : Sewing standard format * Be sure to use the media that has been formatted with IP-420.

  • Page 41: Sewing Screen

    (2) Sewing screen Button and display Description PATTERN BUTTON MOVE The pattern button move screen is displayed. → Refer to button "II-2-10. When setting of sewing product is difficult because of interruption of needle tip" p.48 RETURN TO ORIGIN This button returns the presser to the start of sewing and raises the presser at button the time of temporary stop.
  • Page 42 Button and display Description SEWING SHAPE NO. Kind and No. of the sewing shape being selected at present is displayed. There are 4 kinds below of the kinds of sewing shape. display : Users' pattern : Vector format data : M3 data : Sewing standard format * Be sure to use the media that has been formatted with IP-420.

  • Page 43: Performing Sewing Shape Selection

    2-5. Performing sewing shape selection ① Display the data input screen. Only in case of the data input screen (blue), the selection of sewing shape can be performed. In case of the sewing screen (green), press READY key and display the data input screen (blue).
  • Page 44 ⑤ Select the sewing shape. G is pressed, When UP or DOWN SCROLL button the SEWING SHAPE buttons H are changed over in order. ⑥ Determine the sewing shape. I is pressed, the sewing shape is When ENTER button determined and the data input screen is displayed. When the sewing shape is users' pattern, the screen as A is displayed.

  • Page 45: Changing Item Data

    2-6. Changing item data WARNING : Be sure to confirm the shape of pattern after the change of X/Y enlargement/reduction ratio. There may be a dangerous case such as needle breakage by interference of needle with the presser or the like according to the set value.
  • Page 46 For example, input X scale rate. A to display the item data input screen. Press ③ Input the data. Input the value you desire with ten keys and + / – keys F. ④ Determine the data. G is pressed, the data is deter- When ENTER button mined.

  • Page 47: Checking Pattern Shape

    2-7. Checking pattern shape WARNING : Make sure without fail of the contour of the sewing pattern after selection of the sewing pattern. If the sewing pattern extends outside the work clamp feet, the needle will interfere with the work clamp.

  • Page 48: Performing Modification Of Needle Entry Point

    2-8. Performing modification of needle entry point (1) Editing the thread tension A on the sewing screen to Press STEP SEWING button display the step sewing screen. When it is necessary to move the feed forward or back- ward such as in the case of needle checking, the feed does not move unless the work clamp is lowered.

  • Page 49: Editing The Intermediate Presser Height

    (2) Editing the intermediate presser height A on the sewing screen to Press STEP SEWING button display the step sewing screen. The sewing shape is displayed at the center of the screen. The current point, sewing start position and sewing end position are respectively represented by (pink circle), (blue dot) and (pink dot).

  • Page 50: How To Use Temporary Stop

    2-9. How to use temporary stop When TEMPORARY STOP switch ❶ is pressed during sewing, the sewing machine can be ❶ stopped. At this time, the error screen is displayed to inform that the stop switch has been pressed. (1) To continue performing sewing from some point in sewing ①...

  • Page 51: To Perform Re-Sewing From The Start

    (2) To perform re-sewing from the start ① Release the error. A to release the error. Press RESET button ② Perform thread trimming. B to perform thread trim- Press THREAD TRIM button ming. G is pressed, the presser When PRESSER UP button goes up.

  • Page 52: When Setting Of Sewing Product Is Difficult Because Of Interruption Of Needle Tip

    2-10. When setting of sewing product is difficult because of interruption of needle tip ① Display the pattern move screen. A is pressed, the pattern When PATTERN MOVE button button move screen is displayed. ② Move the pattern. Lower the presser, and input the move direction with DIREC- TION key B.

  • Page 53: Winding Bobbin Thread

    2-11. Winding bobbin thread (1) How to wind thread on a bobbin Pass thread coming from the thread stand through tension controller C and wind the thread on the bobbin. When passing thread in the thread tension con- troller, route it in the slot on the shaft. 1) Fit bobbin ❶...
  • Page 54 (2) Bobbin winder circuit protector 1) When the bobbin winder is operated, it some- ❷ times happens that thread ❶ catches on something, producing a force that tends to stop it from winding (A direction). 2) In such a case, to prevent the motor from burn- ing out, circuit protector ❷...

  • Page 55: Using Counter

    2-12. Using counter (1) Setting procedure of the counter ① Display the counter setting screen. Press switch and the COUNTER SETTING button A is displayed on the screen. When this button is pressed, the counter setting screen is displayed. ② Selection of kinds of counters This sewing machine has three different counters;...
  • Page 56 [ Bobbin counter ] UP counter: The counter increases the existing value by one every time the machine has sewn 10 stitches. When the existing value is equal to the set value, the count-up screen is displayed. DOWN counter: The counter decreases from the existing value by one every time the machine has sewn 10 stitches.

  • Page 57: Count-Up Releasing Procedure

    Here, input the existing value. (2) Count-up releasing procedure When the count-up condition is reached during sewing work, the count-up screen is displayed and the buzzer beeps. Press CLEAR A to reset the counter and the screen returns to the button sewing screen.

  • Page 58: Performing New Register Of Users' Pattern

    2-13. Performing new register of users’ pattern ① Display the data input screen. Only in case of the data input screen (blue), new register of the pattern can be performed. In case of the sewing screen (green), press READY switch and display the data input screen (blue).

  • Page 59: Naming Users' Pattern

    2-14. Naming users’ pattern As many as 255 characters can be input for each user’s pattern. ① Display the data input screen. Only in case of the data input screen (blue) at the time of pat- tern button selection, it is possible to input the name of pattern button.

  • Page 60: Performing New Register Of Pattern Button

    2-15. Performing new register of pattern button ① Display the data input screen. Only in case of the data input screen (blue), new register of the pattern button can be performed. In case of the sewing screen (green), press READY switch and display the data input screen (blue).

  • Page 61: Lcd Display Section At The Time Of Pattern Button Selection

    2-16. LCD display section at the time of pattern button selection (1) Pattern button data input screen Button and display Description PATTERN BUTTON Pattern button copy screen is displayed. COPY button → Refer to "II-2-19. Copying pattern button" p.64 PATTERN BUTTON Pattern button name input screen is displayed.
  • Page 62 Button and display Description SEWING SHAPE NO. Kind and No. of the sewing shape being selected at present is displayed. There are 4 kinds below of the kinds of sewing shape. display : Users' pattern : Vector format data : M3 data : Sewing standard format * Be sure to use the media that has been formatted with IP-420.

  • Page 63: Sewing Screen

    (2) Sewing screen Button and display Description Pattern button which is stored in S FOLDER NO. is displayed. PATTERN REGISTER button → Refer to "II-2-15. Performing new register of pattern button" p.56 . PATTERN BUTTON NAME Character which is registered to the pattern button No. being sewn is displayed. display X SCALE RATE display Scale rate in X direction which is registered to the pattern button No.
  • Page 64 Button and display Description PATTERN NO. display Pattern button No. being sewn is displayed. SEWING SHAPE display Sewing shape being sewn is displayed. SEWING SHAPE NO. Kind of sewing and sewing shape No. which are registered to the pattern being display sewn are displayed.

  • Page 65: Performing Pattern Button No. Selection

    2-17. Performing pattern button No. selection (1) Selection from the data input screen ① Display the data input screen. In case of the data input screen (blue), it is possible to select the pattern button No. In case of the sewing screen (green), press READY switch to display the data input screen.

  • Page 66: Selection By Means Of The Shortcut Button

    (2) Selection by means of the shortcut button WARNING : Make sure without fail of the contour of the sewing pattern after selection of the sewing pattern. If the sewing pattern extends outside the work clamp feet, the needle will interfere with the work clamp.

  • Page 67: Changing Contents Of Pattern Button

    2-18. Changing contents of pattern button ① Display the data input screen at the time of pattern button selection. Only in case of the data input screen (blue) at the time of pat- tern selection, it is possible to change the contents of pattern. In case of the sewing screen (green), press READY switch to display the data input screen at the time of pattern button selection.

  • Page 68: Copying Pattern Button

    ④ Determine the change of item data. B to display For example, input X scale rate. Press the item data input screen. Input the value you desire with the ten keys or + or – key K. When ENTER button L is pressed, the data is determined.

  • Page 69: Changing Sewing Mode

    ③ Select the pattern No. of copy source. Select the pattern button No. of copy source from the pattern button list button B. C and Next, press COPY DESTINATION INPUT button the copy destination input screen is displayed. ④ Input the pattern No. of copy destination. Input the pattern button No.

  • Page 70: Lcd Display Section At The Time Of Combination Sewing

    2-21. LCD display section at the time of combination sewing The sewing machine is capable of sewing in order by combining the plural pattern data. As many as 30 patterns can be inputted. Use this function when sewing plural different shapes on the sewing product. In addition, it is possible to register as many as 20 of the combination sewing data.

  • Page 71: Pattern Selection

    Button and display Description COMBINATION DATA NO. Combination data No. being selected is displayed in the button. When the button SELECTION button is pressed, the combination data No. selection screen is displayed. SEWING ORDER display Sewing order of the inputted pattern data is displayed. When the screen is changed over to the sewing screen, the pattern which is sewn first is displayed in blue color.

  • Page 72: Sewing Screen

    (2) Sewing screen Button and display Description COMBINATION DATA Name which is inputted in the combination data being selected is displayed. NAME display BOBBIN REPLACEMENT Bobbin replacement is carried out. button → Refer to "I-4-7. Installing and removing the bobbin case" p.21 PRESSER DOWN button Presser can be lowered and the presser down screen is displayed.
  • Page 73 Button and display Description SEWING ORDER Pattern to be sewn can be advanced by one. ADVANCE button TOTAL NUMBER OF Total number of patterns which is registered to combination No. being sewn is REGISTERS display displayed. TOTAL NUMBER OF Total number of stitches of sewing shape being sewn is displayed. STITCHES display THREAD TENSION Thread tension value which is registered to pattern button No.

  • Page 74: Performing Combination Sewing

    2-22. Performing combination sewing First, change the sewing mode to the combination sewing before performing setting. → Refer to "II-2-20. Changing sewing mode" p.65 (1) Selection of combination data ① Display the data input screen. Only in case of the data input screen (pink), it is possible to select the combination data No.

  • Page 75: Creating Procedure Of The Combination Data

    (2) Creating procedure of the combination data ① Display the data input screen. Only in case of the data input screen (pink) it is possible to input the combination data. In case of the sewing screen (green), press READY switch to display the data input screen (pink).

  • Page 76: Deleting Procedure Of The Combination Data

    (3) Deleting procedure of the combination data ① Select the combination data No. Perform steps ① to ③ of "II-2-22(1) Selection of combina- tion data" p.70 to display the combination data to be delet- ② Performing deleting the combination data. A is pressed, the com- When DATA DELETION button bination data deletion confirmation pop-up is displayed.

  • Page 77: Setting Of The Skip Of Steps

    (5) Setting of the skip of steps It is possible to set the skipping of sewing of a given step. If you want to skip the sewing of a certain step within the combination data, use this function. ① Entering the skip setting mode A to select skip setting Press mode changeover button mode...

  • Page 78: Lcd Display When The Simple Operation Is Selected

    2-24. LCD display when the simple operation is selected (1) Data input screen (individual sewing) [User’s pattern] [Direct pattern] [Media pattern] Ⓐ Ⓑ Ⓒ Ⓐ Ⓑ – 74 –...

  • Page 79: Number Of Stitches

    Button and display Description EDIT DATA display The data which is being edited on the currently selected edit item is displayed. * When no edit item is selected, this display is not given. PRESSER DOWN button This button is used for lowering the cassette clamp and intermediate presser and displaying the work clamp lowering screen.
  • Page 80 Button and display Description X ACTUAL SIZE VALUE The actual X size value of the sewing shape which is being selected is displayed. display When an actual value input is selected, the X ACTUAL VALUE SETTING button is displayed according to the setting of MEMORY switch →...

  • Page 81: Sewing Screen (Individual Sewing)

    (2) Sewing screen (individual sewing) [User’s pattern] [Media pattern] [Direct pattern] Ⓐ – 77 –...

  • Page 82: Counter Value

    Button and display Description PATTERN BUTTON MOVE The pattern button move screen is displayed. "II-2-10. When setting of sewing product is difficult because of button → Refer to interruption of needle tip" p.48 BOBBIN REPLACEMENT Bobbin replacement is carried out. button →...
  • Page 83 Button and display Description NUMBER OF STITCHES The number of stitches for the currently selected pattern is displayed. display SEWING SHAPE display The sewing shape of the currently selected pattern is displayed. X ACTUAL SIZE VALUE The actual X size value of the sewing shape which is being selected is displayed. display Y ACTUAL SIZE VALUE The actual Y size value of the sewing shape which is being selected is displayed.

  • Page 84: Data Input Screen (Combination Sewing)

    (3) Data input screen (combination sewing) Button and display Description PRESSER DOWN button This button is used for lowering the cassette clamp and intermediate presser and displaying the work clamp lowering screen. BOBBIN REPLACEMENT Bobbin replacement is carried out. button →...
  • Page 85 Button and display Description PATTERN NAME display The name of the currently selected pattern is displayed. SEWING SHAPE display The sewing shape of the currently selected pattern is displayed. NUMBER OF STITCHES The number of stitches for the currently selected pattern is displayed. display X ACTUAL SIZE VALUE The actual X size value of the currently selected pattern is displayed.

  • Page 86: Sewing Screen (Combination Sewing)

    (4) Sewing screen (combination sewing) Button and display Description BOBBIN REPLACEMENT Bobbin replacement is carried out. button → Refer to "I-4-7. Installing and removing the bobbin case" p.21 PRESSER DOWN button This button is used for lowering the cassette clamp and intermediate presser and displaying the work clamp lowering screen.
  • Page 87 Button and display Description CLEAR button The counter value is cleared. * This button is displayed only when COUNTER VALUE CHANGE button G is being selected. SPEED CHANGE button The speed of stitch of the sewing machine is changed. The speed of stitch can be changed even during sewing.

  • Page 88: Changing Memory Switch Data

    2-25. Changing memory switch data ① Display the memory switch data list screen. When MODE key is pressed, memory switch button A is displayed on the screen. When this button is pressed, the memory switch data list screen is displayed. ②...

  • Page 89: Using Information

    2-26. Using information Oil replacement (grease-up) time, needle replacement time, cleaning time, etc. can be specified and the warning notice can be performed after the lapse of the specified time. (1) Observing the maintenance and inspection information ① Display the information screen. A of the switch seat section is When information key pressed in the data input screen, the information screen is...

  • Page 90: Releasing Procedure Of The Warning

    ③ Perform clearing remaining time up to the replacement. When button C of the item you desire to clear is pressed, the time of replacement clear screen is displayed. F is pressed, the remaining time When CLEAR button up to the replacement is cleared. ④...

  • Page 91: Using Communication Function

    It is the data of needle entry point created with Vector format data VD00XXX.VDT PM-1, and the data format that can be operated in common between JUKI sewing machines. M3 data AMS0XXX.M3 Pattern data for the AMS-B, -C and -D Series Sewing standard format SD00XXX.DAT...

  • Page 92: Take-In Of The Data

    (4) Take-in of the data ①　Display the communication screen. A of switch seat section is When communication switch pressed in the data input screen, the communication screen is displayed. ②　Select the communication procedure. There are four communication procedures as described below. B Writing data from media to panel C Writing data from personal computer (server) to panel D Writing data from panel to media...

  • Page 93: Taking In Plural Data Together

    (5) Taking in plural data together It is possible for vector data, M3 data and sewing standard format data to select plural writing data and write them together. Pattern No. of writing destination will become the same No. of the selected data ①...
  • Page 94 Data No. during communication, total number of writing data and number of data that have ended the data communication are dis- played in the during communication screen. * When performing writing to the pattern No. which already exists, the overwriting confirmation screen is displayed before writing.

  • Page 95: Performing Formatting Of The Media

    2-28. Performing formatting of the media To re-format a medium, the IP-420 has to be used. The IP-420 is not able to read any medium which is formatted on a personal computer. ① Display the media format screen. When switch is held pressed for three seconds, MEDIA A is displayed on the screen.

  • Page 96: Operation At The Time Of X/Y Motor Position Slip

    2-29. Operation at the time of X/Y motor position slip When X/Y motor detects the position slip, the error screen is displayed. Timing of error display can be changed with the selection of memory switch. For the details, refer to the Engineer's Manual.

  • Page 97: When The Error Is Displayed After End Of Sewing

    (2) When the error is displayed after end of sewing ① Release the error. A is pressed, and the error is re- When RESET button leased, the sewing screen is displayed. ② Perform sewing work again from the start. When the start switch is pressed, the sewing machine starts sewing.

  • Page 98: Memory Switch Data List

    3. MEMORY SWITCH DATA LIST Memory switch data are the motion data that the sewing machine has in common and the data that op- erate on all sewing patterns in common. 3-1. Data list Item Setting range Edit unit Maximum sewing speed 200 to 2500 100 sti/min Sewing speed of 1st stitch...
  • Page 99 Item Setting range Edit unit Counter motion selection Sewing counter No. of pcs. counter Bobbin counter Buzzer sound can be prohibited Without buzzer sound Panel operating sound Panel operating sound + error － 8 to 16 Feed motion timing is selected Set the timing in “–”...
  • Page 100 Item Setting range Edit unit This memory switch is used for selecting the clamp status in the case sewing is stopped with the pause command Clamp is released Presser foot goes up and the clamp is released with the eject switch. Needle stop position is set UP position Upper dead point...
  • Page 101 Item Setting range Edit unit Enlarging/reducing function mode Prohibited Increasing/decreasing Increasing/decreasing number of stitches pitch (Number of (Pitch is fixed.) stitches is fixed.) Jog move function mode 2nd origin specified later Parallel move Prohibited Retainer compensation motion : selection of motion Without motion With motion Selection of needle upper dead point at the time of origin...
  • Page 102 Item Setting range Edit unit With/without air pressure detection Without With Intermediate presser DOWN position setting 0 to 7.0 mm 0.1 mm → Refer to "I-4-11. Intermediate presser height" p.26 With/without needle cooler control Without With The time to automatically exit from the count- 0 to 99 up screen can be set Selection of needle upper dead point at the time of origin...

  • Page 103: Initial Value List

    3-2. Initial value list Item Initial value Edit unit Maximum sewing speed 2500 100 sti/min Sewing speed of 1st stitch 100 sti/min Sewing speed of 2nd stitch 100 sti/min Sewing speed of 3rd stitch 100 sti/min Sewing speed of 4th stitch 100 sti/min Sewing speed of 5th stitch 1000...
  • Page 104 Item Initial value Edit unit Motion method of wiper can be selected Unit of sewing shape size change can be selected Thread tension output time when setting thread tension can be set Thread breakage detection selection Number of invalid stitches at the start of sewing of thread breakage 1 stitch detection Number of invalid stitches during sewing of thread breakage detection...

  • Page 105: Error Code List

    4. ERROR CODE LIST Place of Error code Display Description of error Display message How to recover recovery E007 Machine lock Turn OFF Main shaft of the sewing the power machine fails to rotate due to some trouble. E008 Head connector Turn OFF abnormality the power...
  • Page 106 Place of Error code Display Description of error Display message How to recover recovery E027 Read error Possible Previous Data read from server cannot to re-start screen be performed. after reset. E028 Write error Possible Previous Data write from server cannot to re-start screen be performed.
  • Page 107 Place of Error code Display Description of error Display message How to recover recovery E061 Memory switch data error Turn OFF Memory switch data is broken the power or revision is old. E080 External stop switch Possible Step to re-start screen after reset.
  • Page 108 Place of Error code Display Description of error Display message How to recover recovery E305 Cloth cutting knife position Turn OFF Data error the power input Cloth cutting knife is in the screen regular position. E306 Thread clamp position error Turn OFF Thread clamp unit is not in the power...
  • Page 109 Place of Error code Display Description of error Display message How to recover recovery E378 Machine head down sensor Turn OFF error the power Machine head up sensor E379 Turn OFF error the power E406 Password mismatch error Possible Pass- to re-start word after reset.
  • Page 110 Place of Error code Display Description of error Display message How to recover recovery E723 Machine-head turning Turn OFF motor hall sensor failure the power Hook turning motor hall E724 Turn OFF sensor failure the power E725 Hook motor reverse Turn OFF rotation the power...
  • Page 111 Place of Error code Display Description of error Display message How to recover recovery E822 Hook motor overload error Turn OFF the power Machine-head turning E823 Turn OFF motor overload error the power E824 Hook turning motor Turn OFF overload error the power E825 Hook motor overcurrent...
  • Page 112 Place of Error code Display Description of error Display message How to recover recovery E833 Turning-motor Turn OFF synchronization error the power Main shaft motor IPM E901 Turn OFF abnormality the power When IPM of servo control p.c.b. is abnormal. E903 Stepping motor power Turn OFF...
  • Page 113 Place of Error code Display Description of error Display message How to recover recovery E915 Communication Turn OFF abnormality between the power operation panel and MAIN When abnormality occurs in data communication. Communication E916 Turn OFF abnormality between MAIN the power CPU and main shaft CPU When abnormality occurs in data communication.

  • Page 114: Main Control P.c.b

    Place of Error code Display Description of error Display message How to recover recovery E927 Y motor position slip error 1. In case of 1. Step error display screen during sewing 　Possible to re-start after reset 2. In case of 2.
  • Page 115 Place of Error code Display Description of error Display message How to recover recovery E946 HEAD RELAY p.c.b. trouble Turn OFF When data writing to HEAD the power RELAY p.c.b. cannot be performed. E993 SPI communication error Turn OFF (SDC) the power SPI communication error E994...

  • Page 116: Message List

    5. MESSAGE LIST Message No. Display Display message Description M520 Erase confirmation of Users' pattern Erase is performed. OK ? M521 Erase confirmation of pattern button Erase is performed. OK ? M522 Erase confirmation cycle pattern Erase is performed. OK ? M523 Erase confirmation of backup data Pattern data is not stored in memory.
  • Page 117 Message No. Display Display message Description M535 Overwriting confirmation of adjustment data on personal computer and all machine data Overwriting is performed. OK ? M537 Deletion confirmation of thread tension command Deleting is performed. OK ? M538 Deletion confirmation of intermediate presser increase/decrease value Deleting is performed.
  • Page 118 Message No. Display Display message Description M554 Customized data initialization notice Customized key-lock data has been initialized. M555 Customized data breakage Customized key-lock data has broken. Initialization is performed. OK? M556 Initialization confirmation of customized data Customized key-lock data is initialized. M557 Confirmation of clearance of password setting...

  • Page 119: Maintenance Of Sawing Machine

    III. MAINTENANCE OF SAWING MACHINE 1. MAINTENANCE 1-1. Adjusting the height of the needle bar (Changing the length of the needle) WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start or the sewing machine.

  • Page 120: Adjusting The Needle-To-Shuttle Relation

    1-2. Adjusting the needle-to-shuttle relation WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start or the sewing machine. * Turn ON the power once, and turn OFF the power again after making the intermediate presser in the lowered state.
  • Page 121 5) Loosen hook setscrew  . Move the hook to adjust so that the blade point of hook is aligned with the center of needle. 6) Adjust the longitudinal position of the hook so that a clearance of 0.03 to 0.1 mm is provided 0.03 to between the needle and blade point  of hook 0.1 mm...

  • Page 122: Adjusting The Vertical Stroke Of The Intermediate Presser

    1-3. Adjusting the vertical stroke of the intermediate presser WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start or the sewing machine. * Turn ON the power once, and turn OFF the power again after making the intermediate presser in the lowered state.

  • Page 123: Thread Breakage Detector Plate

    1-5. Thread breakage detector plate 1) Adjust so that thread breakage detector plate ❷ ❶ ❶ is always in contact with thread take-up spring ❷ in the absence of needle thread. (Slack : approx. 0.5 mm) 2) Whenever the stroke of thread take-up spring ❷...

  • Page 124: Replacing The Fuse

    1-8. Replacing the fuse DANGER : 1. To avoid electrical shock hazards, turn OFF the power and open the control box cover after about five minutes have passed. 2. Open the control box cover after turning OFF the power without fail. Then, replace with a new fuse with the specified capacity.

  • Page 125: Replenishing The Designated Places With Grease

    1-9. Replenishing the designated places with grease * Perform grease supplement when the errors below are displayed or once a year (either one which is earlier). If grease has decreased due to cleaning of the sewing machine or any other reasons, be sure to immediately add grease.

  • Page 126: Types Of Grease

    In addition, attach the covers which have been removed before operation back in place. (2) Points to be applied with JUKI Grease A Use grease tube A (part number: 40006323) supplied with the unit for adding grease to any points other than the points specified below.
  • Page 127 　■ Grease supplement to the face plate section 1) Open the face plate cover. ❹ ❸ 2) Add the JUKI Grease B onto the felt sections (3 locations), peripheral shoulder screw, ful- ❶ crums ❶ to ❼ and guide groove section ❽ .

  • Page 128: Troubles And Corrective Measures (Sewing Conditions)

    1-10. Troubles and corrective measures (Sewing conditions) Trouble Cause Corrective measures Page ① Stitches are slipped at the start. 1. The needle thread ○ Adjust the clearance between the needle slips off at the and the shuttle to 0.03 to 0.1 mm. start of bar-tack- ○...
  • Page 129 Trouble Cause Corrective measures Page ① The motions of the needle and shuttle ◦ Correct the positions of the needle and 5. Stitch skipping often occurs. are not properly synchronized. shuttle. ② Clearance between the needle and ◦ Correct the positions of the needle and hook is large.

  • Page 130: Optional

    2. OPTIONAL 2-1. List of the needle hole guides and intermediate pressers Needle used Needle hole guide Size Part No. Needle hole diameter Application #18 to #21 14439509 ø 2.3 For heavy-weight materials #20 to #23 * 14439608 ø 3.0 (with a counterbore) For extra heavy-weight materials #23 or thicker 14439707...

  • Page 131: Bar Code Reader

    2-2. Bar code reader WARNING: • Do not look directly into the laser beam of the bar code reader. The laser beam can damage eyes. • Do not emit laser beam toward human eyes. The laser beam can damage eyes. •...

This manual is also suitable for:

Ip-420

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