JUKI DDL-8700B-7 Instruction Manual
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JUKI DDL-8700B-7 Instruction Manual

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DDL-8700B-7
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Summary of Contents for JUKI DDL-8700B-7

  • Page 1 DDL-8700B-7 INSTRUCTION MANUAL...

  • Page 2: Table Of Contents

    CONTENTS I. SPECIFICATIONS ..................1 II. SET-UP ......................3 1. Installation ............................3 2. Installing the pedal sensor ....................... 4 3. Connecting the connector ....................... 4 4. How to install the power plug ......................5 5. Attaching the connecting rod ......................5 6.

  • Page 3: Specifications

    DB x 1 (#14) #9 to 18 DB x 1 (#21) #20 to 23 Lubricating oil JUKI MACHINE OIL #7 JUKI MACHINE OIL #7 • The sewing speed preset at the time of shipping : 4,000sti/min. : Needle used depends on the destination.
  • Page 4 DRAWING OF TABLE – 2 –...

  • Page 5: Set-Up

    II. SET-UP 1. Installation 1) Carry the sewing machine with two persons as 2) Do not put protruding articles such as the screw- shown in the figure above. driver and the like at the location where the sewing machine is placed. Do not hold the handwheel.

  • Page 6: Installing The Pedal Sensor

    2. Installing the pedal sensor 1) Install the pedal sensor to the table with mounting screws ❶ supplied with the unit. It is necessary to install the pedal sensor at such a position that the connecting rod is perpendicu- lar to the table. 2) After the completion of installation of the pedal sensor on the table, place the sewing machine head on the table.

  • Page 7: How To Install The Power Plug

    4. How to install the power plug WARNING : 1. Be sure to attach the ground wire (green/yellow) to the specified location (on the ground side). 2. Take care not to allow terminals to come in contact with each other. 1) Connect the power cord to power plug ❶.

  • Page 8: Winding The Bobbin Thread

    6. Winding the bobbin thread 1) Insert the bobbin deep into the bobbin winder spindle ❶ until it will go no further. ❽ ❸ 2) Pass the bobbin thread pulled out from the ❶ spool rested on the right side of the thread stand following the order as shown in the figure on the left.

  • Page 9: Adjusting The Height Of The Knee Lifter

    7. Adjusting the height of the knee lifter WARNING : Be sure to turn the power OFF before the following work in order to prevent personal injury due to unintentional starting of the sewing machine. 1) The standard height of the presser foot lifted using the knee lifter is 10 mm.

  • Page 10: Lubrication

    1. When you use a new sewing machine or a sewing machine after an extended period of dis- use, use the sewing machine after performing break-in at 2,000 sti/min or less. 2. For the oil lubrication, purchase JUKI NEW DEFRIX OIL No. 1 (Part No. : MDFRX1600C0) or JUKI MACHINE OIL #7 (Part No. : MML007600CA).
  • Page 11 (2) Adjusting the amount of oil (oil spots) in the hook 1) Turning the oil amount adjustment screw at- tached on the hook driving shaft front bushing in the “+” direction (in direction A) will increase the amount of oil (oil spots) in the hook, or in the “–” direction (in direction B) will decrease it.

  • Page 12: Attaching The Needle

    (5) Adjusting the amount of oil supplied to the face plate parts 1) Adjust the amount of oil supplied to the thread take-up and needle bar crank ❷ by turning adjust pin ❶. 2) The minimum amount of oil is reached when marker dot A is brought close to needle bar crank ❷...

  • Page 13: Setting The Bobbin Into The Bobbin Case

    12. Setting the bobbin into the bobbin case 1) Pass the thread through thread slit A, and pull the thread in direction C. By so doing, the thread will pass under the tension spring and come out from notch B. 2) Check that the bobbin rotates in the direction of the arrow when thread is pulled.

  • Page 14: Adjusting The Height Of The Presser Bar

    16. Adjusting the height of the presser bar WARNING : Be sure to turn the power OFF before the following work in order to prevent personal injury due to unintentional starting of the sewing machine. 1) Loosen setscrew ❶, and adjust the presser bar height or the angle of the presser foot.

  • Page 15: Thread Tension

    18. Thread tension (1) Adjusting the needle thread tension 1) The length of thread remaining at the needle tip ❶ after thread trimming is shortened by turning ten- sion regulating nut No. 1 ❶ clockwise in direction 2) It is lengthened by turning the nut counterclock- wise in direction B.

  • Page 16: Needle-To-Hook Relationship

    21. Needle-to-hook relationship WARNING : Be sure to turn the power OFF before the following work in order to prevent personal injury due to unintentional starting of the sewing machine. Adjust the timing between the needle and the hook as follows : 1) Turn the handwheel to bright the needle bar down to the lowest point of its stroke, and loosen ❶...

  • Page 17: Tilt Of The Feed Dog

    23. Tilt of the feed dog WARNING : Be sure to turn the power OFF before the following work in order to prevent personal injury due to unintentional starting of the sewing machine. 1) The standard tilt (horizontal) of the feed dog is obtained when marker dot A on the feed bar shaft is aligned with marker dot B on feed rocker ❶.

  • Page 18: Counter Knife

    25. Counter knife WARNING : Be sure to turn the power OFF before the following work in order to prevent personal injury due to unintentional starting of the sewing machine. When sharpening again the counter knife ❶, extra special care must be taken on the handling of the knife.

  • Page 19: Adjustment Of The Pedal

    27. Adjustment of the pedal WARNING : Be sure to turn the power OFF before the following work in order to prevent personal injury due to unintentional starting of the sewing machine. (1) Installing the connecting rod 1) Move pedal ❸ to the right or left as illustrated by the arrows so that motor control lever ❶...

  • Page 20: For The Operator

    III. FOR THE OPERATOR 1. Operating procedure of the sewing machine 1) Press the power switch ❶ to turn the power ON. ❶ The power switch ❶ is in the ON state when the "I" mark side is pressed. It is in the OFF state when the "○"...

  • Page 21: Setting Procedure Of The Machine Head

    2. Setting procedure of the machine head "III-6. Setting of functions" p.24 1) Refer to call the function setting No. 95. switch . 2) Press switches ❾ to select the type 3) Press of the machine head. Light- to Medium-weight materials 87bS Heavy-weight materials 87bH...

  • Page 22: Operation Panel Built In The Machine Head

    3. Operation panel built in the machine head Ⓒ ❸ Ⓔ ❺ Display section A Ⓐ Ⓖ ❶ ❼ Ⓓ Ⓑ Ⓕ ❷ ❻ ❹ Ⓗ ❽ ❾ Used to change over the automatic reverse Used to change the contents displayed ❶...

  • Page 23: Operating Procedure Of The Sewing Pattern

    4. Operating procedure of the sewing pattern Refer to the Instruction Manual for each operation panel for how to operate sewing patterns us- ing other operation panel than the built-in panel of the machine head. (1) Reverse feed stitching pattern Reverse feed stitching at sewing start and reverse feed stitching at sewing end can be separately pro- grammed.
  • Page 24 (3) Constant-dimension stitching pattern The constant-dimension stitching pattern can be set. [How to set the constant-dimension stitching] • Straight stitching switch ❼ to select the constant-dimension sewing pattern. 1) Press When the constant-dimension stitching pattern is enabled, LED Ⓖ lights up. 2) When the constant-dimension sewing pattern is selected, the number of stitches of process E can be set switch ❼...

  • Page 25: One-Touch Setting

    5. One-touch setting A part of function setting items can be easily changed in the normal sewing state. switch  held pressed (for two seconds Keep or more) to carry out setting. * If the indication shown on the screen does not change, keep the switch held pressed again.

  • Page 26: Setting Of Functions

    6. Setting of functions Set value for the function setting can be changed. 1) Turn the power ON while keeping switch  held pressed. The indication on the display section is changed to "n. ". The numeric character displayed on the right side of "n."...

  • Page 27: Production Support Function

    7. Production support function The production support function enables "sewing counting", "bobbin-thread counting" and "number of stitches counting". Ⓔ Ⓒ switch  is pressed while the sew- 1) When Ⓐ ing machine is in the sewing state, the product Ⓕ support function is invoked.
  • Page 28 [Bobbin thread counting function] 1) Operate this function in the state where sewing is Ⓒ finished. The value on the counter cannot be changed if Ⓐ thread trimming has not been carried out. Ⓕ 2) The value on the counter is reset to the initial Ⓓ...

  • Page 29: Function Setting List

    8. Function setting list Ref. Item Description Setting range Default page Soft start function The number of stitches to be sewn at a low speed when the soft-start function is used at the start of sewing. (* This setting is enabled when the thread clamp function is in the OFF 0 to 9 state.) (Stitches)
  • Page 30 Ref. Item Description Setting range Default page Sewing speed at a low Lowest speed by pedal (The MAX value differs by machine head.) 150 to MAX 2 0 0 speed (sti/min) Sewing speed of thread Thread trimming speed (The MAX value differs by machine head.) 100 to MAX 4 2 0 trimming...
  • Page 31 Ref. Item Description Setting range Default page Change-over speed of Initial speed when starting condensation stitch or EBT 0 to 250 condensation stitch or 1 8 0 (sti/min) EBT (end back tack) Function of soft-down of Presser foot is slowly lowered. presser foot 0 : Presser foot is rapidly lowered.
  • Page 32 Ref. Item Description Setting range Default page 182 Operation to be con- Operation to be carried out when the sewing counter of the production ducted when the target support function reaches the target value is set. value is achieved 0 : No operation 1 : The sewing machine does not operate even if the pedal is de- pressed.

  • Page 33: Detailed Explanation Of Selection Of Functions

    9. Detailed explanation of selection of functions ① Selection of the soft-start function (Function setting No. 1) The needle thread may fail to interlace with the bobbin thread at the start of sewing when the stitching pitch (stitch length) is small or a thick needle is used. To solve such problem, this function (called “soft- start”) is used to limit the sewing speed, thereby assuring successful formation of the starting stitches.
  • Page 34 Example) To assign the thread trimming function to the input port "i01" 1) Select function setting No. 12 with the operating procedure of function setting procedures 1) through 3). switch . 2) Press switches ❾. 3) Select a port (for example, "i1") to be set by pressing switch .
  • Page 35 Input function list Function Abbre- Function item Remarks code viation No function (Standard setting) Needle up / down compensating Every time the switch is pressed, normal feed stitching by half stitching stitch is performed. (Same operation as that of up / down com- pensating stitching switch on the panel.) Back compensating stitching Reverse feed stitching is performed at low speed while the...
  • Page 36 Output function list Function Abbre- Function item Remarks code viation No function (Standard setting) Thread trimming output Output of thread trimming signal Thread wiper output Output of thread wiper signal Thread release output Output of thread release signal Presser lifter output Output of presser lifting signal Reverse feed stitching output Output of reverse feed stitching signal...
  • Page 37 ④ Needle up/down switch function changeover function (Function setting No. 22) The needle up/down switch function can be changed over between the needle up/down compensation and one stitch compensation. 0 : Needle up / down compensating stitching 1 : One stitch compensating stitching ⑤...
  • Page 38 Actions under each setting state ❶ Used as the normal reverse feed stitching touch-back switch. ❷ Used for reinforcing seam (press sewing) of the pleats. (It works only when the sewing machine is running.) ❸ Used for reinforcing seam (press sewing) of the pleats. (It works either when the sewing machine stops or when the sewing machine is running.) ❹...
  • Page 39 ⑨ Compensation of timing of the solenoid for reverse feed stitching (Function setting No. 51 to 53) When the normal and reverse feed stitches are not uniform under the automatic reverse feed stitching action, this function can change the ON / OFF timing of the solenoid for back tack and compensate the timing.
  • Page 40 ⑩ Foot lift function after thread trimming (Function setting No. 55) This function can automatically lift the presser foot after thread trimming. This function is effective only when it is used in combination with the AK device. 0 : OFF Function of automatically lifting the presser foot is not provided. (Presser foot does not automatically go up after thread trimming.) 1 : ON Function of automatically lifting the presser foot is provided.
  • Page 41 ⑭ Function of stop immediately after the reverse feed stitching at the start of sewing (Function set- ting No. 60) This function temporarily stops the sewing machine even when keeping depressing the front part of the pedal at the time of completion of process of reverse feed stitching at the start of sewing. It is used when sewing a short length by reverse feed stitching at the start of sewing.
  • Page 42 ⑲ Function of pedal curve selection (Function setting No. 87) This function can perform the selection of the curve of sewing speed of the sewing machine against the depressing amount of the pedal. Change to this function when you feel that inching operation is hard or that pedal response is slow. 0 : Sewing speed in terms of the depressing amount of the pedal increases linearly.

  • Page 43: Automatic Compensation Of Neutral Point Of The Pedal Sensor

    10. Automatic compensation of neutral point of the pedal sensor Whenever the pedal sensor, spring, etc. are replaced, be sure to perform following operation : If you place your foot or any object on the pedal, the pedal will not operate properly. Operate the pedal with nothing placed on it.

  • Page 44: Selection Of The Pedal Specifications

    11. Selection of the pedal specifications When the pedal sensor has been replaced, change the set value of function setting No. 50 according to the newly connected pedal specifications. 0 : KFL 1 : PFL Pedal sensor with two springs located at the back part of the pedal type is PFL, and that with one spring type is KFL.

  • Page 45: Selecting Procedure Of The Key-Lock Function

    13. Selecting procedure of the key-lock function Setting of the number of stitches for a pattern can be prohibited by enabling the key lock function. Display section A switch ❻ 1) Turn ON the power switch with switch ❽ held pressed. 2) "KL.on"...

  • Page 46: Led Hand Light

    15. LED hand light WARNING : In order to protect against personal injury due to unexpected start of the sewing machine, never bring hands near the needle entry area or place foot on the pedal during the adjustment of intensity of the LED. The sewing machine is provided as standard with an LED light which illuminates the needle entry area.

  • Page 47: Maintenance

    IV. MAINTENANCE 1. Adjusting the machine head When the slip between the white marker dot on the handwheel and the concave of the cover is excessive after thread trimming, adjust the angle of the machine head by the operation below. 1) Turn the power ON while keeping switch  and...

  • Page 48: Error Codes

    2. Error codes In case of the following, check again before you judge the case as trouble. Phenomenon Cause Corrective measure When tilting the sewing machine, When tilting the sewing machine Tilt the sewing machine after turning the buzzer beeps and the sewing without turning OFF the power switch, OFF the power.

  • Page 49: Error Code List

    Error code list Description of error Cause of occurrence expected Items to be checked detected E000 Execution of data • When the machine head is changed. initialization (This is • When the initialization operation is exe- not the error.) cuted. E007 Overload of motor •...
  • Page 50 Description of error Cause of occurrence expected Items to be checked detected E813 Low voltage • When voltage lower than guaranteed • Check whether the voltage is lower than the one is inputted. rated voltage - (minus) 10% or less. •...

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