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JUKI DU-1481 Series, Инструкция по эксплуатации

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JUKI DU-1481 Series Скачать руководство пользователя страница 6

– 4 –

After the completion of adjustment of 

the oil amount, run the sewing ma-

chine for 30 seconds or more. Then, 

check whether the hook is adequately 

lubricated.

3-4. Adjusting the oil amount in the hook

Adjust the oil amount with oil amount adjustment 
screw 

❶

 that is located on the front bushing of 

hook driving shaft. The oil amount is increased 
by turning adjustment screw 

❶

 clockwise (+) or 

decreased by turning it counterclockwise (-).

❶

Increase

Decrease

Apply an appropriate amount of oil to the portion 
indicated with an arrow.
(Be sure to apply an appropriate amount of oil 
once a day.)

WARNING :

To protect against possible personal injury due to abrupt start of the machine, be sure to start the 

following work after turning the power off and ascertaining that the motor is at rest.

Содержание DU-1481 Series

Страница 1: ...DU 1481 Series INSTRUCTION MANUAL ...

Страница 2: ... Threading the machine head 6 4 3 Adjusting the thread tension 6 4 4 Installing a bobbin 7 4 5 Presser foot pressure 8 4 6 Adjusting the feed dog 8 4 7 Adjusting the presser foot and the walking foot 9 4 8 Needle to hook relationship 11 4 9 Adjusting the feed timing 12 4 10 Adjusting the thread trimming device 13 4 11 Periodical cleaning of the sewing machine 15 4 12 Adjusting the reverse feed pit...

Страница 3: ...35 C b Do not operate the product at such a place that is exposed to the direct sunlight or outdoors c Do not operate the product near a heater electric stove d Carry out work at a relative humidity ranging from 35 to 85 e Do not carry out work near combustible gas or explosive substances 2 2 3 Rated voltage AC220V AC240V 50 60Hz 2 2 4 Earth resistance of the system 4 Ω or less Motor output 750W M...

Страница 4: ...ces as illustrated in the figure 6 Attach the hinge to the machine head Put the hinge on the hinge rubber seats 1 To prevent possible accidents caused by the full of the sewing machine perform the work by two persons or more when the machine is moved 2 Place the sewing machine on a horizontal and plane place when placing it and do not place any protruding thing such as a screwdriver or the like Ne...

Страница 5: ...of lubrication the sewing machine can automatically start running when the operator de presses the pedal by mistake causing a serious injury When handling the lubricating oil be sure to wear protective goggles and gloves to prevent the lubricating oil from contacting the eyes and skin Contact with the lubricating oil can lead to inflam mation or irritation of the eyes and skin The lubricating oil ...

Страница 6: ...bushing of hook driving shaft The oil amount is increased by turning adjustment screw clockwise or decreased by turning it counterclockwise Increase Decrease Apply an appropriate amount of oil to the portion indicated with an arrow Be sure to apply an appropriate amount of oil once a day WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the fol...

Страница 7: ...to the needle bar until it will go no further Then tighten the screw It is neces sary when attaching the needle to face the long groove in the needle to the left as observed from the operator After the completion of adjustment of the oil amount run the sewing ma chine for 30 seconds or more Then check whether the frame is adequate ly lubricated WARNING To protect against possible personal injury d...

Страница 8: ...cts varies depending on sewing condi tions such as the material thread and stitch length It is therefore necessary to adjust the thread tension appropriately according to the sewing conditions 2 Bobbin thread Turn thread tension screw of the bobbin with a screwdriver while fitting the screwdriver in screw slot as shown in the figure The thread tension is increased by turning the thread ten sion sc...

Страница 9: ...e bob bin case when the sewing machine stops the bobbin case may not be removed smoothly In such a case turn the hand wheel in the reverse direction and remove the bobbin case 2 Winding a bobbin 1 Put a bobbin on bobbin winder shaft At this time align the spring of bobbin winder shaft with groove on this side 2 Pass the thread in the order of to and wind the thread on the bobbin 3 Bobbin winder fr...

Страница 10: ... is 1 0 mm higher that the top surface of throat plate Adjust the feed dog height as described below 1 Loosen screw of feed lifting rock arm Move feed bar up and down 2 After the completion of adjustment tighten screw 2 Adjusting inclination of the feed dog 1 Loosen screw of the feed rocking arm 2 Turn eccentric shaft to change inclination of the feed dog 3 After the completion of adjustment tight...

Страница 11: ...eight of presser foot to an appropriate lower value Continue this procedure until the amount of lift of the presser foot becomes almost equal to that of walking foot 2 In the case of decreasing the height of walking foot and increasing the height of presser foot 1 Turn the handwheel until walking foot goes up above the throat plate 2 Loosen screw 3 Walking foot comes down to reach the throat plate...

Страница 12: ...lator appropriately 4 Adjusting the feed amount of walking foot Normally the ratio of feed amount between the feed dog and walking foot is 1 1 The feed amount of walking foot can be adjusted accord ing to the sewing condition to be used 1 Loosen nut 2 Adjust the installed position of vertical move ment control shaft The feed amount of walking foot is decreased by moving vertical movement control s...

Страница 13: ... bushing at the lowest position of the needle bar Fourth line A from the bottom for a DB x 1 second line C from the bottom for DP x 17 A C D B Upper marker line 0 05 to 0 1mm 2 Position the needle and the hook Adjust so that the specified marker line third line B from the bottom for a DB x 1 needle or line D at the bottom for a DP x 17 needle on the ascending needle bar aligns with the bottom end ...

Страница 14: ...hat screw No 1 of the feed cam and screw No 1 of the walking bar lifting ec centric are flush with each other Then tighten the screws When the feed dog comes down until the top end of feed dog is aligned with the top surface of throat plate the center of needle eyelet in descending needle is aligned with the top surface of throat plate WARNING To protect against possible personal injury due to abr...

Страница 15: ...ecessary to adjust the knives to the correct position 3 Adjusting the thread trimming cam crank 1 Align the thread trimming cam cranks right and left with the flat position of thread trimming cam crank shaft in the arrangement as shown in the figure 2 Slowly turning thread trimming cam crank shaft align stopper lever with the flat portion on thread trimming cam crank shaft Thread trimming solenoid...

Страница 16: ... solenoid push the cylinder portion of thread trimming solenoid in the direction of the arrow as shown in the figure 5 Installing the thread trimming cam 1 Bring the thread take up lever to its lowest point as shown in the figure 2 Turn thread trimming cam clockwise while keeping the cylinder of thread trimming solenoid held pushed until thread trimming cam comes in contact with the roller At this...

Страница 17: ...tion of moving knife so that its end portion moves away from the end portion of counter knife by 1 0 to 1 5 mm when the forward travel amount of moving knife is maximized Standard installation position Counter knife Counter knife Counter knife 5 mm 1 to 1 5 mm 5 mm 3 mm 3 mm B A C Moving knife Moving knife Moving knife Feed dog hook and pump should be periodically cleaned 4 11 Periodical cleaning ...

Страница 18: ...the lower portion of face plate or inside the thread take up cover while us ing the sewing machine Be sure to wipe out oil periodically Regularly clean the feeding foot presser foot and throat plate WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work after turning the power off and ascertaining that the motor is at rest ...

Страница 19: ...with 1 digit on the left and the number of stitches is set with three digit value G on the right When you depress the front part of pedal the sewing machine sews the number of stitches for the first process and stops When you depress the front part of pedal again the sewing machine sews the number of stitches for the next process When the sewing machine sews the number of stitches for the final pr...

Страница 20: ...nt dimension sewing Press this key This function is initiated by pressing the front part of pedal Then the sewing machine automatically sews the number of stitches set for E and stops 3 Polygonal shape stitching Press this key The one short switch is activated by depressing the front part of pedal Then the sewing machine automatically performs sewing of the num ber of stitches set with the right s...

Страница 21: ...oot lifting when the sewing machine stops at the midpoint As long as this button is displayed on the LCD the presser foot automati cally goes up when the sewing machine stops in the middle of sewing In the case this button is not displayed on the LCD the presser foot re mains lowered when the sewing machine stops in the middle of sewing Gradual increase of the set number Increase of the set number...

Страница 22: ... is sounding the alarm is stopped and the bobbin counter is reset Counting the number of stitches In the case the memory switch 041 TM is set to 0 zero and is held pressed for two seconds the display will be changed over and the number of times of thread trim ming is displayed When key is further pressed the number of stitches is displayed on the counter 2N When key is pressed the number of stitch...

Страница 23: ... Two stitches Setting of the number of stitches for the start start 009 A Sewing speed for con stant dimension sewing 100 to 2200 1500 sti min Setting of the sewing speed to be employed when the AUTO key on the operation panel box is pressed 010 ACD Function to automati cally finish reverse feed stitching after sewing of the constant dimension sewing compensation stitching function is not set ON O...

Страница 24: ...e bobbin thread count mode is set 022 EBC Adjustment parameter for the pedal stroke when the back part of pedal is lightly depressed 70 to 130 100 Fine adjustment of the pedal stroke when the back part of pedal is lightly depressed 023 EBD Adjustment parameter for the pedal stroke when the back part of pedal is depressed 70 to 130 100 Fine adjustment of the pedal stroke when the back part of pedal...

Страница 25: ... thread wiping thread clamping output function 0 to 6 2 0 Neither the thread wiping operation nor the thread clamping operation are carried out 1 The thread wiping operation is carried out and the thread clamping operation is not carried out 2 The thread wiping operation is not carried out and the thread clamping operation is carried out 3 Both the thread wiping operation and the thread clamping o...

Страница 26: ...stops OFF ON OFF ON The motor shaft angle is retained when the sewing machine stops OFF Not retained 055 TOT Total limit time of the motor operation 1 to 800 8Hrs In the case 058 UTD is set to ON Maximum of 33 days 880 hours 056 TM1 Motor running time 1 to 999 2s In the case 058 UTD is set to ON Operating time of free stitching at the time of aging 057 TM2 Motor stopping time 1 to 999 51s In the c...

Страница 27: ...s disabled 066 LTM Thread trimming mode 0 1 2 3 2 0 Not used 1 Not used 2 Thread trimming mode for the flat bed sewing machine Thread trimmer operates when the sew ing machine stops at the lower home position and goes up to the upper home position 3 Interlocked thread trimming mode Thread trim mer operates when the sewing machine stops at the upper stop position 067 T1 Operating position of the th...

Страница 28: ...justment of the upper stop position angle of needle Take 40 as zero point When this value is de creased the needle stops at a lower position When this value is increased the needle stops at a higher position 076 DRU Degree between the needle down position and needle up position 1 to 360 165 The degree by which the sewing machine is rotated in the reverse direction until the needle up position is r...

Страница 29: ...System power failure ERR 03 Sewing machine head operation fault 1 Synchronizer fault or detection of the lower home position is not possible 2 Sensor magnet has dropped 3 Toothed belt jumping or slack ERR 04 Overcurrent overvoltage or inadequate voltage 1 Motor power system trouble 2 Instantaneous power failure ERR 05 DC voltage overvoltage 1 Brake resistance has broken or brake fuse has blown out...

Страница 30: ...ynchronizer self check fault Synchronizer is not installed 1 Turn the power OFF Re install the synchronizer Re turn the power ON 2 Change the synchronizer with a new one D EEPROM error EEPROM which stores parameters has a problem Change the EEPROM with a new one E EEPROM parameter fault Parameters in the EEPROM are not correct Re start the sewing machine F Motor encode signal fault In the case F a...

Страница 31: ... 29 8 Names of connectors Motor power connector Motor encoder connector Pedal switch connector Solenoid connector Check to make sure that the connectors are locked after connection ...

Страница 32: ...spring is too large Adjust the thread take up spring appropriately 3 Sewing perfor mance failure Thread tension The needle bobbin thread tensions are not correct Adjust the needle bobbin thread tensions appropriately Tension of the thread take up spring Tension of the thread take up spring is inadequate Adjust the tension of the thread take up spring appro priately Clearance between the inner hook...

Страница 33: ...counter knife with a new one Thread trimming cam tim ing The timing of thread trimming cam is not correct Adjust the timing of thread trimming cam appropriately Tension releaser stroke The stroke of tension releaser is too small Re adjust the stroke of ten sion releaser appropriately 6 The length of needle thread remaining at the needle on the material is too short Thread trimming timing Thread tr...

Страница 34: ...acter portion 実際の文字 A B C D E F G H I J 表示の字体 実際の文字 K L M N O P Q R S T 表示の字体 実際の文字 U V W X Y Z 表示の字体 Actual numerical value Font of the displayed numerical character Font of the displayed alphabetical character Actual alphabetical character Font of the displayed alphabetical character Actual alphabetical character Font of the displayed alphabetical character Actual alphabetical character ...

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