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Table of Contents
Related Manuals for JUKI PLC-2760NVM
Summary of Contents for JUKI PLC-2760NVM
- Page 1 PLC-2760NVM INSTRUCTION MANUAL...
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Page 2: Table Of Contents
19-3. How to set the counter ..................36 19-4. How to reset the count-completion state ............40 CAUTION This Instruction Manual for the PLC-2760NVM only describes their differences from the standard models (PLC-2760V). For safety-related information, carefully read and fully understand "Safety precautions"... -
Page 3: Specifications
Lubrication Automatic lubrication by semi-dry head plunger pump (with oil gauge) Lubricating oil JUKI New Defrix Oil No. 1 (equivalent to ISO standard VG7) or JUKI MACHINE OIL No. 7 Bed size 643 mm × 178 mm Space under the arm 347 mm ×... -
Page 4: Threading The Machine Head
2. Threading the machine head 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. Thread the machine head following the order as illustrated in the figure. -
Page 5: Take-Up Thread Guide
3. Take-up thread guide 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. If you want to change the feed amount of thread fed from the thread take-up lever, loosen the setscrew of take-up thread guide ❷... -
Page 6: Pneumatic Components (When The Pneumatic Center Guide Is Used)
4. Pneumatic components (when the pneumatic center guide is used) 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. (1) Installing the regulator Install regulator (asm.) ❶... - Page 7 (3) Attaching the solenoid valve ❺ Attach solenoid valve asm. ❷ to the under- surface of the table with accessory screw ❶ (SK3452001SE). ❶ Connect the 6 tube described in step 4) in "(1) ø Installing the regulator" to joint ❸ . Cut the 6 tube to an appropriate length before ø...
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Page 8: Setting The Incidental Device
5. Setting the incidental device 5-1. Setting the ON/OFF status of the center guide ❶ ❶ held pressed for three second. The "mode screen" is displayed. Select "14. Incidental device setting". The "Incidental device setting screen" is dis- played. When the device setting of which is to be changed is selected, the setting screen for the selected device is displayed. - Page 9 Select ON/OFF status of the function. ❷ to confirm the setting. Press ❷ <Center guide ON/OFF setting screen> ❸ to display the sewing data Press edit screen. ❸ ❹ to display the "S056 center Press guide". ❹ ❻ 10) Then, set the ON/OFF status of the center guide.
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Page 10: Setting The Optional Input For The The Center Guide
5-2. Setting the optional input for the the center guide Assign the switching function of the center guide to the 6-gang switch. ❶ ❶ held pressed for three second. The "mode screen" is displayed. Select "19. Optional I/O setting". Select "1. Optional input setting". Select "INPUT6. -
Page 11: Setting The Optional Output For The Center Guide
Select "i62. Center guide input". ❷ to confirm the selection. Press ❷ 5-3. Setting the optional output for the center guide Select "2. Optional output setting". Select "OUTPUT11. Function is not provided". Select "o25. Center guide". ❶ to confirm the selection. Press ❶... -
Page 12: Adjusting The Hook Needle Guard
6. Adjusting the hook needle guard WARNING : To protect against possible personal injury due to abrupt start of the sewing machine, be sure to change over the operation mode to the "hook timing adjustment mode". The presser foot automatically goes up when changing over the operation mode to the "hook timing adjustment mode". -
Page 13: Adjusting The Timing Of The Opener
8. Adjusting the timing of the opener 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. Place the machine in the hook timing adjust- ❷... -
Page 14: How To Correct The Main Shaft Reference Angle
9. How to correct the main shaft reference angle After you have adjusted the origins of the motors (main motor, feed motor, presser motor and alternating vertical movement motor), correct the reference angle of the main motor. ❶ on the sewing Press and hold down screen and select "9. - Page 15 Enter a correction value on the operation panel so that the angle you have checked in Step 3 becomes "0" (zero) or "360". For example, enter "-5" if the angle you have Correction value checked in Step 3 is "5". Enter "8" if the angle you have checked is "352".
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Page 16: Position Of The Thread Trimmer Cam
10. Position of the thread trimmer cam 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. ❼... -
Page 17: Adjusting The Position Of The Moving Knife
11. Adjusting the position of the moving knife 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. ❸... -
Page 18: Adjusting The Position Of The Clamp Spring
12. Adjusting the position of the clamp spring 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. Loosen clamp spring setscrew ❶... -
Page 19: How To Adjust The Cam Timing
13. How to adjust the cam timing 13-1. Timing of the vertical feed cam WARNING : To protect against possible personal injury due to abrupt startup of the sewing machine, be sure to press the standby switch and confirm that the screen has changed over to the standby mode screen before starting work. -
Page 20: Top Feed Cam Timing
13-2. Top feed cam timing WARNING : To protect against possible personal injury due to abrupt startup of the sewing machine, be sure to press the standby switch and confirm that the screen has changed over to the standby mode screen before starting work. - Page 21 Press the standby switch. [Conditions] ・Amount of feed: 6 mm Remove the top cover. ・Alternating vertical movement amount: 3 mm Loosen top feed cam setscrews ❻ (two pieces). ・When the needle and the walking foot come down On the condition that the amount of the alternating vertical movement of the walking foot and presser ❸...
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Page 22: Needle Sway (Adjusting The Bottom Feed Amount)
14. Needle sway (Adjusting the bottom feed amount) WARNING : To protect against possible personal injury due to abrupt startup of the sewing machine, be sure to press the standby switch and confirm that the screen has changed over to the standby mode screen before starting work. -
Page 23: Tension Correction
15. Tension correction ❶ on the sewing screen under Press the maintenance personnel mode. The "sewing data edit screen" is displayed. ❶ <Sewing screen (Maintenance personnel mode)> ❷ to proceed to the next page. Press ❸ . Press The "S113 Needle thread tension correction screen"... -
Page 24: Tension Correction And Sewing Speed
15-1. Tension correction and sewing speed The needle thread tension can be corrected according to the sewing speed. The needle thread tension can also be set on the operation panel. The needle thread tension data is stored in mem- ory. ❶... -
Page 25: Tension Correction And Remaining Amount Of Bobbin Thread
15-2. Tension correction and remaining amount of bobbin thread The needle thread tension can be corrected according to the bobbin thread remaining amount. The needle thread tension can also be set on the operation panel. The needle thread tension data is stored in mem- ory. - Page 26 （Example of use） In the case the correction is made as shown in the figure The needle thread tension correction starts when the bobbin-thread remaining amount shown on the bobbin counter reaches "70 % (U201)", and the final correction amount "150 % (J202)" is reached when the bobbin counter reaches "0"...
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Page 27: Thread Clamp Device
16. Thread clamp device 16-1. How to install the thread clamp device 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. Remove the top cover, face plate, handwheel and motor cover. - Page 28 Pull the 6-gang switch toward you. Place the thread clamp solenoid cord on the step part. Then, put the 6-gang switch back into place and secure with the setscrews. At this time, lightly pull the thread clamp solenoid cord to make sure that it can be moved. If the cord cannot be moved, it may have been caught under the 6-gang switch.
- Page 29 11) Bundle the thread clamp solenoid junction cable (asm.) with cable clip bands (large) (at three loca- tions) together with other cords. 12) Connect the connector of the thread clamp sole- noid junction cable (asm.) to the PCB. Install the top cover, face plate, handwheel and motor cover in place. When installing the covers, take care to prevent the cords from being caught under the covers.
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Page 30: How To Set Up The Thread Clamp Device
16-2. How to set up the thread clamp device When you use the thread clamp device, make the following settings. If the thread clamp device is placed in ON, the sewing machine will carry out condensation stitch at the beginning of sewing. - Page 31 Select "ON". ❷ to confirm the setting. Press ❷ (2) Setting the items that are related to the beginning of sewing ❶ ❶ . Press Select "1. Memory switch". 3) Select "2. Beginning of sewing". – 29 –...
- Page 32 Select "U001 Soft-start function". Change the numerical value to "3". ❷ to confirm the numerical value. Press ❷ Select "U037 Sewing speed for soft-start". Change the numeric value to "250". ❷ to confirm the numerical value. Press ❷ If the thread clamp function is placed in ON in order to entwine the threads at the beginning of sewing without fail, the sewing machine will carry out condensation stitch at the beginning of sewing.
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Page 33: How To Set The Thread Clamp Operation While The Presser Foot Is In Its Upper Position
16-3. How to set the thread clamp operation while the presser foot is in its upper position When you want to use the thread clamp function, set the "Thread clamp function while the presser foot is in its up- per position" to ON. ❶... -
Page 34: How To Replace The Hook Cover
17. How to replace the hook cover 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. Handling of the material on the sewing machine can be improved by changing the standard hook cover with the hook cover for the sewing machine without thread trimmer. - Page 35 Loosen counter knife base setscrew to remove counter knife base ❾ . When removing counter knife base ❾ , turn the ❽ handwheel to bring hook ❽ to the position shown in the figure beforehand. ❾ Attach throat plate ❹ in place. Tighten throat plate ❺...
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Page 36: How To Install The Oil Filter
18. How to install the oil filter OIL_FILTER_C Achieve close contact OIL_FILTER_A OIL_FILTER_B OIL_FILTER_B Fit the notch of the filter in Fit in the rib Fit in the rib the rib on the oil pan. ❻ ❶ ❺ ❹ ❸ ❷... -
Page 37: Counter Function
19. Counter function This function counts sewing in the predetermined unit and gives a visible alarm on the screen when the pre- set value is reached. 19-1. Displaying the sewing screen under the counter display mode Four different types of counters are available; bobbin thread counter (left), bobbin thread counter (right), sewing counter, pitch time counter. -
Page 38: How To Set The Counter
19-3. How to set the counter ① Selecting the counter setting ❶ ❶ . Display the mode screen by pressing Select the "4. Counter setting". <Mode screen> ② Setting the type of counter, current value of counter and preset value for counter The sewing counter and the bobbin counter should be set following the same procedure. - Page 39 Select the desired type of counter. ❷ to confirm the type of counter Press you have selected. ❷ <Counter type screen> Select the current counter value. Enter with the numeric keypad. ❷ to confirm the type of counter Press you have selected. ❷...
- Page 40 Bobbin thread counter (left) ・ (right) UP counter (adding method): The bobbin thread counter adds one to its current value every time the sewing machine sews 10 stitches. When the current value reaches the preset value, the count- completion screen is displayed. DOWN counter (subtracting method): The bobbin thread counter subtracts one from its current value every time the sewing machine sews 10 stitches.
- Page 41 ③ Confirming the data entered ❺ ❹ Confirm the counter content. Then, press ❺ if ❹ is not displayed) to return the screen to the mode screen. ❹ <Bobbin thread counter current value screen> ❻ ❻ is pressed on the mode When close button screen, the screen returns to the sewing screen.
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Page 42: How To Reset The Count-Completion State
19-4. How to reset the count-completion state When the predetermined conditions are satisfied during sewing, the count-completion screen is dis- < > played. ❶ . Then, The counter is reset by pressing the mode is returned to the sewing mode. In this mode, the counter starts counting again.
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