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JUKI DDL-900A, Instruction Manual

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JUKI DDL-900A Instruction Manual Download Page 30

– 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 

value by pressing 

 switch 

.

3)  In this state, the initial value can be changed by 

pressing 

 and 

 switches 

❾

.

[Number of stitches counting function]

1)  The number of stitches is automatically counted 

from the start of sewing until thread trimming is 
carried out. 

2)  Once thread trimming is carried out, the value on 

the counter is reset to 0 (zero).

Ⓒ

Ⓐ

Ⓑ

Ⓓ

Ⓕ

❾

Summary of Contents for DDL-900A

Page 1: ...COVERI DDL 900A INSTRUCTION MANUAL ...

Page 2: ...of the feed dog 16 24 Tilt of the feed dog 17 25 Adjusting the feed timing 17 26 Counter knife 18 27 Pedal pressure and pedal stroke 18 28 Adjustment of the pedal 19 29 Marker dots on the handwheel 19 III FOR THE OPERATOR 20 1 Operating procedure of the sewing machine 20 2 Setting procedure of the machine head 21 3 Operation panel built in the machine head 22 4 Operating procedure of the sewing pa...

Page 3: ...ATION GENUINE OIL 7 Noise Equivalent continuous emission sound pressure level LpA at the workstation A weighted value of 81 0 dB Includes KpA 2 5 dB according to ISO 10821 C 6 2 ISO 11204 GR2 at 4 000 sti min A weighted value of 80 0 dB Includes KpA 2 5 dB according to ISO 10821 C 6 2 ISO 11204 GR2 at 3 500 sti min The sewing speed preset at the time of shipping 4 000 sti min 1 Needle used depends...

Page 4: ...om 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 5 hinge side only ...

Page 5: ...nge side B are fixed by using a rubber based adhesive Then underside cover is placed 5 Fit hinge into the opening in the machine bed and fit the machine head to table rubber hinge before placing the machine head on cushions on the four corners 6 Securely attach machine head support rod to the table until it goes no further Do not hold the handwheel D D C 19 5 mm 23 5 mm A B 1 Be sure to install th...

Page 6: ...switch cover to open the power switch cover Blue Blue Brown Brown Green Yellow Green Yellow 2 Pass AC input cord 40145128 M6102461DAA through the rear face of the power switch Bundle the cord with cable clip band to secure it 3 Securely fix the terminals of the AC input cord 40145128 M6102461DAA by tightening the screws at the specified locations 4 Close the power switch cover Tighten screw on the...

Page 7: ...r with lock As for the details of handling respective devices read carefully the Instruction Manuals supplied with the devices before handling the devices Do not insert the power plug into the wall outlet Check to be sure that the power switch is turned OFF 1 Connect pedal sensor cable and AC input cable supplied with the machine to the control box For the connection ports of the cables refer to t...

Page 8: ...ower cord to power plug Con nect the blue and brown wires 1ø to the power supply side and the green yellow wire to the earth side as illustrated in the figure 1 Be sure to prepare the power plug which conforms to the safety standard 2 Be sure to connect the ground lead green yellow to the grounding side Blue Brown Green Yellow ground wire AC 220 240V 1ø 220 240V 2 Check that the power switch is in...

Page 9: ...ion of A Decrease To the direction of B Increase 7 Winding the bobbin thread 6 In case that the bobbin thread is not wound evenly on the bobbin loosen screw and adjust the height of bobbin thread tension It is the standard that the center of the bobbin is as high as the center of thread tension disk Adjust the position of thread tension disk to the direction of D when the winding amount of the bob...

Page 10: ...ver 10 mm be sure that the bottom end of needle bar in its lowest position does not hit presser foot 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 8 Adjusting the height of the knee lifter 9 Installing the thread stand 1 Assemble the thread stand unit and insert it in the hole in the machine t...

Page 11: ... disuse use the sewing ma chine after performing break in at 2 000 sti min or less 2 For the oil lubrication purchase NEW DEFRIX OIL No 1 Part No 40157520 or JUKI CORPORATION GENUINE OIL 7 Part No 40102087 3 Be sure to lubricate clean oil 4 Be aware oil leakage can occur if the surface of added oil quantity exceeds MAX line B 5 Transporting the sewing machine with the sewing machine filled with oi...

Page 12: ...e MAX line and the MIN line 4 Confirmation of the amount of oil should be completed in five seconds Check the period of time with a watch WARNING Be extremely careful about the operation of the machine since the amount of oil has to be checked by turning the hook at a high speed 11 Adjusting the amount of oil oil splashes 1 Confirmation of the amount of oil in the hook 1 Tilt the sewing machine Tu...

Page 13: ...treme cau tion not to allow your fingers to come in contact with the thread take up lever 1 If the machine has not been sufficiently warmed up for operation make the machine run idle for approximately three minutes Moderate intermit tent operation 2 Place the amount of oil oil spots confirmation paper under the hook immediately after the ma chine stops running 3 Check to be sure that the oil surfa...

Page 14: ...needle with its indented part A facing exactly to the right in direction B 3 Insert the needle fully into the hole in the needle bar in the direction of the arrow until the end of hole is reached 4 Securely tighten screw 5 Check that long groove C of the needle is facing exactly to the left in direction D When polyester filament thread is used if the indented part of the needle is tilted toward op...

Page 15: ...ference value 1 Turn stitch length dial in the direction of the arrow and align the desired number to marker dot A on the machine arm 1 Loosen nut As you turn presser spring regula tor clockwise in direction A the presser foot pressure will be increased 2 As you turn the presser spring regulator count er clockwise in direction B the pressure will be decreased 3 After adjustment tighten nut The sta...

Page 16: ...eight of the presser bar 18 Threading the machine head 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 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 ...

Page 17: ...ut by the thread take up 3 Normally thread guide is positioned in a way that marker line C is aligned with the center of the screw 1 Adjusting the needle thread tension 1 The length of thread remaining at the needle tip after thread trimming is shortened by turning ten sion regulating nut No 1 clockwise in direction A 2 It is lengthened by turning the nut counterclock wise in direction B 3 The nee...

Page 18: ...e needle bar with bottom end of the needle bar lower bushing For a DA needle Loosen three setscrews of the hook turn the handwheel and align marker line D on ascending the needle bar with bottom end of the needle bar lower bushing 4 After making the adjustments mentioned in the above steps align the blade point E of hook with the center of needle Provide a clearance of dimension F reference value ...

Page 19: ...ilt 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 2 To tilt the feed dog with its front up in order to prevent puckering loosen the setscrew and turn the feed bar shaft 90 in the direction of the arrow using a screwdriver 3 To tilt the feed dog with its front down in order to prevent uneven material feed turn the feed bar...

Page 20: ...spring on the left side 3 The pressure increases when you hook the spring on the right side 2 Adjusting the pressure required to depress the back part of the pedal 1 This pressure can be adjusted using regulator screw 2 The pressure increases as you turn the regulator screw in 3 The pressure decreases as you turn the screw out 3 Adjusting the pedal stroke 1 The pedal stroke increases when you inse...

Page 21: ... the length of connecting rod 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 29 Marker dots on the handwheel Red White The upper stop position of the needle bar is reached when marker dot on the cover is aligned with white marker dot on the handwheel The operating tim...

Page 22: ...itching has been preset the machine runs at high speed after it completes reverse feed stitching 1 Operating procedure of the sewing machine 5 When one touch type reverse feed switch is pressed the sewing machine performs reverse feed stitching 4 Reverse feed stitching at the beginning of sewing reverse feed stitching at the end of sewing and various sewing patterns can be set on built in panel of...

Page 23: ... 2 Setting procedure of the machine head 1 Refer to III 6 Setting of functions p 26 and call the function setting No 95 2 Press switch 3 Select the machine head type by pressing and switches dL90 For DDL 900A 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 ...

Page 24: ...e Used to change over the automatic double reverse feed stitching at the end of sewing between enable and disable Used to change over the soft start func tion between enable and disable Used to change over the reverse feed stitching pattern between enable and disable Used to change over the needle bar stop position at the time of stopping sewing between up and down Used to change over the overlapp...

Page 25: ...n can be programmed A Number of stitches of normal stitching setting 0 to 15 stitches B Number of stitches of reverse stitching setting 0 to 15 stitches C Number of stitches of normal stitching setting 0 to 15 stitches D Number of times of repetition 0 to 15 times 1 When process D is set to 5 times the sewing is repeated as A B C B C 2 The number which exceeds 9 is indicated as follows A 10 b 11 c...

Page 26: ...d the number of stitches of process E can be set by pressing switch again 3 The number of stitches 0 to 999 for the constant dimension stitching can be selected by pressing and switches Label sewing 1 Press switch to select the label sewing When the selection is effective LED Ⓗ lights up Every time switch is pressed the indication of processes E to H will be changed over 2 Display the target proce...

Page 27: ...ect the setting item Example WiP 2 Press switch The current set value is displayed Example on 3 Press and switches to change the set value Example oFF 4 Press switch to confirm the set value 5 Press switch to finish the one touch setting 1 In the case the function setting n is selected operation using switch cannot be carried out Once the setting of the function setting is finished press switch to...

Page 28: ...n the left are used for changing the number in the fast feed mode 3 Press switch to change the setting The indication is changed to the set value The figure shows the case where the set value is changed from the indication n 96 to 4000 set value by pressing switch 4 Press and switches to change the set value 5 Press switch to confirm the set value 6 The display returns to the state described in 1 ...

Page 29: ...laced Number of stitches counting function LED Ⓖ lights up The number of stitches is counted from the start of sewing until thread trimming is carried out Sewing counting function 1 Counted value is indicated on display section A 2 The value on the counter can be changed by pressing and switches 3 The value on the counter is reset to 0 zero by pressing switch 4 The sewing counting function setting...

Page 30: ...ut 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 Number of stitches counting function 1 The number of stitches is automatically counted from the start of sewing until thread trimming is carried out 2 Once thread trimming is carried out the value on the counter is reset to 0 zero Ⓒ Ⓐ Ⓑ Ⓓ Ⓕ ...

Page 31: ... of the thread clamp at the start of sewing is set 0 Thread clamp does not operate 1 Thread clamp operates 0 1 1 20 Changeover between thread clamp and thread wiper This function item is used for changing over the operation of the thread clamp and the thread wiper 0 Thread clamp operates 1 Thread wiper operates 0 1 1 21 Function of automatic presser foot lifting at pedal s neutral position Functio...

Page 32: ... 1 Presser foot is operated by the pedal PFL 0 1 1 44 51 Compensation of solenoid on timing of reverse feed stitching at the start of sewing Compensation of starting the solenoid for reverse feed stitching when reverse feed stitching at the start of sewing is performed 36 to 36 10 The setting differs with the machine head 39 52 Compensation of solenoid off timing of reverse feed stitching at the s...

Page 33: ...ded with tension release function 0 Tension release function is ineffective 1 Tension release function is effective 0 1 1 92 Function of reducing speed of reverse feed stitching at the start of sewing Function to reduce speed at the time of completion of reverse feed stitch ing at the start of sewing 0 Speed is not reduced 1 Speed is reduced 0 1 0 41 93 Function added to nee dle up down compensat ...

Page 34: ... which the sewing counter of the production support function stops counting is set 0 The sewing counter stops counting when a value is entered to the sewing counter using the optional input output function 1 to 20 The sewing counter stops counting according to the preset number of times of thread trimming 0 to 20 1 186 Soft start resetting angle An angle at which the start is reset is set This set...

Page 35: ...ion reduces flickering of the hand lamp at the start of sewing n 5 0 Flicker reducing function is ineffective 1 Flicker reducing function is effective Caution When the flicker reducing function is set at the Flicker reducing function is effective the startup speed of the sewing machine decreases Selection of the optional input output function Function setting No 12 For some of the input output por...

Page 36: ...procedures 1 through 3 2 Press switch 3 Select a port for example i1 to be set by pressing and switch es 4 Press switch 5 Select a function for example Trm by pressing and switches 6 Press switch 7 Activate the selected function by pressing and switches 8 Press switch 9 Finish function setting by pressing switch n 2 1 1 i 1 i T b M T r L 0 L 0 to H 0 0 i ...

Page 37: ...rohibited 11 LSSW Low speed command input This function works as low speed switch for standing sewing machine 12 HSSW High speed command input This function works as high speed switch for standing sewing machine 13 USW Needle lifting function UP stop motion is performed when switch is pressed during DOWN stop 14 bT Reverse feed stitching switch input Reverse feed stitching is output as long as the...

Page 38: ...r output State of cancel of reverse feed stitching at start end is output 8 AUbT Sewing start end cancellation addi tion monitor output State of cancel or addition of automatic reverse feed stitching is output 9 SSTA Sewing machine stop state output Sewing machine stop state is output 10 CooL Needle cooler output Output for needle cooler 11 bUZ Buzzer output It is output when the bobbin counter se...

Page 39: ... functions only when the sewing machine is running 1 ON Operative when the sewing machine stops Reverse feed stitching on the way functions both when the sewing machine is running and stops Caution Either condition is operative when the sewing machine is running Function setting No 33 Thread trimming is performed when reverse feed stitching on the way is com pleted n 3 3 0 OFF Without thread trimm...

Page 40: ...ks either when the sewing machine stops or when the sewing machine is running It is especially effective when the sewing machine is used as the stand ing work machine Sewing speed of one shot stitching Function setting No 38 This function can set by the pedal operation of one time the sewing speed of one shot stitching when the sewing machine continues stitching until completing the number of stit...

Page 41: ...off timing of solenoid for reverse feed stitching at the start of sewing Function set ting No 52 Off timing of solenoid for reverse feed stitching at the start of sewing can be compensated by the unit of angle n 2 5 Adjusting range 36 to 36 1 10 Set value Compensation angle Number of stitches of compensation 36 360 1 18 180 0 5 0 0 0 18 180 0 5 36 360 1 Compensation of off timing of solenoid for r...

Page 42: ...d It is therefore necessary to adjust the length of thread remaining after thread trimming properly Function of holding predetermined upper lower position of the needle bar Function setting No 58 When the needle bar is in the upper position or in the lower position this function holds the needle bar by applying a brake slightly n 8 5 0 OFF Not provided with the function of holding predetermined up...

Page 43: ...etting No 49 is set longer when lowering the presser foot by depressing the pedal n 9 4 Setting range 0 to 500 ms 10 ms Step n 0 7 0 Function of soft down of presser foot is not operative Presser foot is rapidly lowered 1 Selection of function of soft down of presser foot Function of reducing speed of reverse feed stitching at the start of sewing Function setting No 92 Function to reduce speed at ...

Page 44: ...e stitch operation can be performed only when the needle up down compensating switch is pressed at the time of upper stop immediately after turning ON the power switch or upper stop immediately after thread trimming n 3 9 0 Normal Only needle up down compensating stitching operation 1 One stitch compensating stitching operation upper stop upper stop is performed only when aforementioned changeover...

Page 45: ... pedal according to the below stated How to adjust the pedal 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 a Check the digit which flashes on and off to determine the direction of pedal dislocation In the case the pedal sensor neutral position is displaced toward the front part of the pedal In the case the pedal se...

Page 46: ...he auto lifter function effective 3 Turn OFF the power switch and turn ON the power switch again to return to the normal mode 4 Repeat the operation 1 to 3 and display is turned to FL oF Then the function of auto lifter does not work Automatic presser lifter is provided AK is provided Automatic presser lifter is not provided 1 To perform re turning ON of the power be sure to perform after the time...

Page 47: ...ling the key lock function Display section A 1 Referring to the explanation of III 6 Setting of functions p 26 select function setting n 95 Then press switch 2 Press and hold switch 3 The buzzer sounds after approximately one sec ond and the setting data returns to the standard setting value Do not turn OFF the power on the way of initializing operation Program of the main unit may be broken 4 Tur...

Page 48: ...h Height of touch back switch is adjustable For the process during which touch back switch is not used the material on the sewing machine can be handled with ease by increasing the height of the switch How to adjust the height The switch height can be adjusted along the bracket by loosening screw WARNING In order to protect against personal injury due to unexpected start of the sewing machine neve...

Page 49: ... the pulley of the machine head by hand until the main shaft reference signal is detected At this time the degree of an angle from the main shaft reference signal is displayed on the display section A The value is the reference value 3 In this state align the white dot of the hand wheel with the concave of the cover as shown in the figure 4 Press switch to finish the adjustment work At this time t...

Page 50: ...ice is not con nected to connector CN37 Connect the cord properly Touch back switch fails to work Presser foot is going up by auto liter device Operate the switch after the presser foot lowered Auto lifter device is not attached How ever auto lifter function is ON Select Automatic presser lifter is not provided when auto lifter device is not attached Sewing machine fails to run Motor output cord 4...

Page 51: ... is input in the state that the power is turned ON Check whether the machine head is tilted without turning OFF the power switch sewing machine operation is prohibited for safety sake E303 Semicircular plate sensor error Semicircular plate sensor signal cannot be detected Check whether the motor encoder connec tor is disconnected E499 E704 Data fault The stored data have broken E730 Encoder failur...

Page 52: ...eck whether the supply voltage which falls outside the rated voltage 10 is applied The inner circuit may have broken E922 Main shaft uncontrol lable In the case the main shaft cannot be controlled E924 Motor driver failure Motor driver has broken E930 Faulty encoder In the case a motor signal cannot be input correctly Check the motor signal connector CN30 for looseness and slip off Check whether t...

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