DDL-8700B-7 INSTRUCTION MANUAL COVERI
CONTENTS I. SPECIFICATIONS......................................................................................... 1 II. SET-UP......................................................................................................... 3 1. Installation.......................................................................................................................................... 3 2. Installing the pedal sensor.........................................................................................
I. SPECIFICATIONS Supply voltage Single phase 220 to 240V Frequency Operating environment Input 50Hz/60Hz Temperature : 5 to 35˚C Humidity 35 - 85 % or less 210VA DDL-8700B Application -7 S: H: J: Light- to Medium-weight materials Heavy-weight materials Jeans DDL-8700BS-7 DDL-8700BH-7 DDL-8700BJ-7 Light- to Medium-weight materials Heavy-weight materials Jeans (Schematic drawing of the applicable range) S type H type and J type Heavy-weight materials and jeans Light-weight materials Max.
A 4xø3.4 on the bottom surface, depth 20 (Drill a hole at the time of set-up.) B Installing position of drawer stopper (on the reverse side) C ø18 drilled hole D 3xø13 drilled hole E 2xø3.5, depth 10 F 2xø3.5, depth 10 G ø40±0.5 drilled hole H ø16 depth 30 I C1.5 to C2.
II. SET-UP 1. Installation 1) Carry the sewing machine with two persons as shown in the figure above. Do not hold the handwheel. 2) Do not put protruding articles such as the screwdriver and the like at the location where the sewing machine is placed. 3) Adjust so that the oil pan is supported at the four ❽ corners of the table. Mount rubber hinge seat ❽ on the table and fix it on the table with a nail. ❸ ❸ ❶ ❶ ❹ ❶ 23.5mm 19.
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 perpendicular to the table. 2) After the completion of installation of the pedal sensor on the table, place the sewing machine head on the table. ❶ 3. Installing the power switch (for CE) WARNING : 1. Be sure to attach the ground wire (green/yellow) to the specified location (on the ground side). 2.
4. Connecting the connector WARNING : • To protect against personal injury resulting from abrupt start of the sewing machine, be sure to turn the power OFF, unplug the machine and wait for five minutes or more before installing the pedal sensor. • To prevent damage of device caused by maloperation and wrong specifications, be sure to connect all the corresponding connectors to the specified places.
5. 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. 3ø 200-240V Black Red AC 200-240V White 1ø 220-240V (For CE) Green / Yellow (ground wire) Blue Brown 1) Connect the power cord to power plug ❶.
7. Winding the bobbin thread 1) Insert the bobbin deep into the bobbin winder ❽ spindle ❶ until it will go no further. ❸ 2) Pass the bobbin thread pulled out from the B ❶ spool rested on the right side of the thread stand A following the order as shown in the figure on the left. Then, wind clockwise the end of the bobbin ❷ thread on the bobbin several times.
8. 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. 2) You can adjust the presser foot lift up to 13 mm using knee lifter adjust screw ❶.
10. Lubrication WARNING : 1. Do not connect the power plug until the lubrication has been completed so as to prevent accidents due to abrupt start of the sewing machine, 2. To prevent the occurrence of an inflammation or rash, immediately wash the related portions if oil adheres to your eyes or other parts of your body. 3. If oil is mistakenly swallowed, diarrhea or vomitting may occur. Put oil in a place where children cannot reach.
(2) Adjusting the amount of oil (oil spots) in the hook A B 1) Turning the oil amount adjustment screw attached 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.
(5) Adjusting the amount of oil supplied to the face plate parts C B A ❷ ❶ Maximum Minimum ❶ 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 by turning the adjust pin in direction B. 3) The maximum amount of oil is reached when marker dot A is brought to the position just opposite from the needle bar crank by turning the adjust pin in direction C.
13. 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. A B C 14. Adjusting the stitch length A * The dial calibration is in millimeters (reference value).
17. 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. ❶ 1) Loosen setscrew ❶, and adjust the presser bar height or the angle of the presser foot. 2) After adjustment, securely tighten the setscrew ❶. 18.
19. Thread tension (1) Adjusting the needle thread tension 1) The length of thread remaining at the needle tip after thread trimming is shortened by turning tension regulating nut No. 1 ❶ clockwise in direction A. 2) It is lengthened by turning the nut counterclockwise in direction B. 3) The needle thread tension is increased by turning tension regulating nut No. 2 ❷ clockwise in direction C. 4) It is decreased by turning the nut counterclockwise in direction D.
22. 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. DDL-8700BH-7 DDL-8700BS-7 DDL-8700BJ-7 ❶ C D A B A B F DDL-8700BS-7 ❸ ❹ E B A ❷ DDL-8700BH-7 DDL-8700BJ-7 ❺ ❸ A B ❷ Dimension F (mm) DDL-8700BS-7 0.04 to 0.10 DDL-8700BH-7 0.12 to 0.
24. 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. A B a b ❶ d c a Front up b Standard c Front down d Throat plate 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.
26. 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. a Fig. A b ❶ c ❶ a Moving knife c Standard : 4.0mm A B b Center of needle If the knife does not cut thread sharply, immediately re-sharpen counter knife ❶ as illustrated in Fig. A and re-install it properly.
28. 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 and connecting rod ❷ are straightened. (2) Adjusting the pedal angle ❶ 1) The pedal tilt can be freely adjusted by changing the length of the connecting rod ❷.
III. FOR THE OPERATOR 1. Operating procedure of the sewing machine 1) Press power switch ❶ to turn the power ON. Power switch ❶ is in the ON state when the "I" mark side is pressed. It is in the OFF state when the "○" side is pressed. ❶ If the power indicator LED on the panel does not light up after having turned ON the power switch ❶, immediately turn OFF the power switch ❶ and check the supply voltage.
2. Setting procedure of the machine head 1) Refer to "III-6. Setting of functions" p.25 and call the function setting No. 95. switch . 2) Press 3) Press and switches ❾ to select the type of the machine head. ❾ 87bS Light- to Medium-weight materials 87bH Heavy-weight materials 87bJ Jeans 4) After the selection of the type of the machine head, press switch to confirm the se- lection. The settings are automatically initialized according to the type of the machine head.
3. Operation panel built in the machine head Ⓒ ❸ Display section A Ⓔ ❺ Ⓐ Ⓖ ❼ ❶ Ⓓ Ⓑ Ⓕ ❻ ❷ Ⓗ ❽ ❹ ❾ ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ Used to change over the automatic reverse feed stitching at the beginning of sewing between enable and disable. Used to change over the automatic reverse feed stitching at the end of sewing between enable and disable. Used to change over the automatic double reverse feed stitching at the beginning of sewing between enable and disable.
4. Operating procedure of the sewing pattern Refer to the Instruction Manual for each operation panel for how to operate sewing patterns using 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 programmed.
(3) Constant-dimension stitching pattern The constant-dimension stitching pattern can be set. [How to set the constant-dimension stitching] • Straight stitching 1) Press switch ❼ to select the constant-dimension sewing pattern. 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 by pressing switch ❼ again.
5. One-touch setting A part of function setting items can be easily changed in the normal sewing state. Keep switch held pressed (for two seconds or more) to carry out setting. * If the indication shown on the screen does not change, keep the switch held pressed again. ❾ [Setting items] SPd ( Sewing speed ) When function setting No. 20 is set at "0": nip ( ) When function setting No. 20 is set at "1" : Wip ( TrM ( n.
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." represents the function setting number. (The figure shows the case of "No. 96 Maximum sewing speed".) ❾' ❾ 2) Press and switches ❾ to change the number of function setting.
7. Production support function The production support function enables "sewing counting", "bobbin-thread counting" and "number of stitches counting". Ⓔ Ⓒ 1) When ing machine is in the sewing state, the product support function is invoked. At this time, LEDs Ⓐ, Ⓑ, Ⓒ and Ⓓ light up.
[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 value by pressing switch . 3) In this state, the initial value can be changed by pressing and switches ❾.
8. Function setting list No. 1 2 * * * Soft start function Description 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 state.) 0 : The function is not selected. 1 to 9 : The number of stitches to be sewn under the soft-start mode. Setting range Ref. page Default 0 to 9 (Stitches) 1 Material end sensor function Material end sensor function.
No. Item Description Setting range Ref. page Default * 35 Sewing speed at a low speed Lowest speed by pedal (The MAX value differs by machine head.) 150 to MAX (sti/min) 2 0 0 * 36 Sewing speed of thread trimming Thread trimming speed (The MAX value differs by machine head.) 100 to MAX (sti/min) 3 0 0 37 Sewing speed of softstart Sewing speed at the start of sewing (soft-start) (The MAX value differs by machine head.
No. * Item Description Setting range Ref. page Default 64 Change-over speed of condensation stitch or EBT (end back tack) Initial speed when starting condensation stitch or EBT 70 Function of soft-down of presser foot Presser foot is slowly lowered. 0 : Presser foot is rapidly lowered. 1 : Presser foot is slowly lowered. 0/1 0 71 Double reverse feed stitching function Effective/ineffective of double reverse feed stitching is changed over. (Only used when the CP-18 is used.
No. Item 182 Operation to be conducted when the target value is achieved Description Operation to be carried out when the sewing counter of the production support function reaches the target value is set. 0 : No operation 1 : The sewing machine does not operate even if the pedal is depressed. * In the case the function No. 13 is used, the setting of the function No. 182 is disabled.
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 “softstart”) is used to limit the sewing speed, thereby assuring successful formation of the starting stitches. * This setting is enabled when the thread clamp function is in the OFF state.
Example) To assign the thread trimming function to the input port "i01" n. 1) Select function setting No. 12 with the operating procedure of function setting procedures 1) through 3). 1 2 switch . i. 1 2) Press i. 1 3) Select a port (for example, "i1") to be set by pressing es ❾. b T 4) Press T r M L 0 L 0 to H i. 0 0 and switches switch . 7) Activate the selected function by pressing 8) Press switch- switch . 5) Select a function (for example, "Trm") by pressing ❾.
Input function list Function AbbreFunction item code viation 0 noP No function 1 HS 2 bHS 3 EbT 4 5 6 TSW FL oHS 7 SEbT 8 9 Ed LinH 10 TinH 11 LSSW 12 HSSW 13 USW 14 bT 15 SoFT 16 oSSW 17 bKoS 18 19 SFSW AUbT 20 CUnT Remarks (Standard setting) Needle up / down compensating stitching Every time the switch is pressed, normal feed stitching by half stitch is performed. (Same operation as that of up / down compensating stitching switch on the panel.
Output function list Function code 0 1 2 3 4 Abbreviation noP TrM WiP TL FL No function Thread trimming output Thread wiper output Thread release output Presser lifter output (Standard setting) Output of thread trimming signal Output of thread wiper signal Output of thread release signal Output of presser lifting signal 5 6 bT EbT Reverse feed stitching output EBT cancel monitor output 7 SEbT Output of reverse feed stitching signal State of one time cancel of reverse feed stitching at end function
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 n. 2 2 1 : One stitch compensating stitching ⑤ Setting of the suction time of the back-tack solenoid (Function setting No. 29) This function can change the suction time of the back-tack solenoid. It is effective to decrease the value when the heat is high.
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 Used as starting switch for reverse feed stitching at the sewing end. (Used as the substitute for thread trimming by depressing back part of the pedal.
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. ❶ Compensation of on-timing of solenoid for reverse feed stitching at the start of sewing (Function setting No.
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. n. 5 5 (Presser foot does not automatically go up after thread trimming.) 1 : ON Function of automatically lifting the presser foot is provided.
⑭ Function of stop immediately after the reverse feed stitching at the start of sewing (Function setting 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. 0 : Not provided with the function of temporary stop of the sewing machine immediately n.
Sewing speed (sti/min) 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. n. 8 7 1 : Reaction to intermediate speed in terms of the depressing amount of the pedal is delayed.
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. 1) Pressing switch , turn ON the power switch. The panel display is as illustrated in the figure. The value indicated on the right side of "PA.", at this time, is the compensation value.
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. Set the pedal sensor to PFL when lifting the presser foot by depressing the back part of the pedal. 12.
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 1) Turn ON the power switch with and ❻ ❽ switch ❻ switch ❽ held pressed. 2) "KL.on" is displayed on indicator A with a blip to make the key-lock function effective. 3) The panel returns to the normal operation after displaying "KL.on" on the indicators. 4) While the key lock function is effective, "KL.
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. 1) Turn the power ON while pressing switch to enter the function setting mode.
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 switch held pressed. "ZAJ" appears on the display section. 2) Turn the pulley of the machine head by hand until the main-shaft reference signal is detected.
2. Error codes In case of the following, check again before you judge the case as trouble. Phenomenon When tilting the sewing machine, the buzzer beeps and the sewing machine cannot be operated. Solenoids for thread trimming, reverse feed, wiper, etc. fail to work. Hand lamp does not light up. Even when depressing the pedal immediately after turning ON the power, the sewing machine does not run. When depressing the pedal after depressing the back part of pedal once, the sewing machine runs.
Error code list Description of error Cause of occurrence expected detected E000 Execution of data • When the machine head is changed. initialization (This is • When the initialization operation is exenot the error.) cuted. E007 Overload of motor • When the machine head is locked. • When sewing extra-heavy material beyond the guarantee of the machine head. • When the motor does not run. • Motor or driver is broken. E071 Disconnection of mo- • Disconnection of motor connector.
Description of error Cause of occurrence expected detected E813 Low voltage • When voltage lower than guaranteed one is inputted. • 120V is applied to 220V box. • Inner circuit is broken by the applied overvoltage. E922 Main shaft uncontrol- • In the case the main shaft cannot be lable controlled. E924 Motor driver failure • Motor driver has broken. E930 Faulty encoder • In the case a motor signal cannot be E931 Motor hole sensor input correctly. failure No.
