JUKI LU-2860V-7 User manual

LU-2860V-7
INSTRUCTION MANUAL

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CONTENTS
1. SPECIFICATIONS................................................................................................. 1
1-1. Specications of the sewing machine head ............................................................................1
1-2. Specications of the control box..............................................................................................1
2. INSTALLATION.....................................................................................................2
2-1. Mounting positions of the devices and table...........................................................................2
2-2. Installation of the sewing machine...........................................................................................3
2-3. Installing the oil shield...............................................................................................................5
2-4. Pneumatic components (Only for the models provided with the stitch skipping detecting
device and bobbin-thread remaining amount detecting device)..........................................6
2-5. Installing the thread stand.........................................................................................................8
2-6. Installing the thread guide pin ..................................................................................................8
2-7. Installing the handwheel cover (only in the case the protection cover sensor is provided) ...9
2-8. Installing the electrical box .....................................................................................................10
2-8-1. Preparing for installation of the control box.................................................................... 10
2-8-2. Installing the electrical box................................................................................................ 10
2-9. Installing the pedal sensor ......................................................................................................10
2-10. Installing the reactor box (Only for the EU type models) ...................................................11
2-11. Installing the control box for stitch skipping detecting device (only for the models
provided with the stitch skipping detecting device and the bobbin-thread remaining
amount detecting device).......................................................................................................12
2-12. Installing the accessory ring core (Only for the EU type models).....................................13
2-12-1. Installing the accessory ring core supplied with the electrical box ............................ 13
2-12-2. Installing the accessory ring core supplied with the sewing machine (only for the
optional category F type) ....................................................................................................13
2-13. Connecting the power switch cable .....................................................................................14
2-13-1. Installing the power switch.............................................................................................. 14
2-13-2. Connecting the power source cord ................................................................................ 15
2-14. Connecting the cords.............................................................................................................16
2-14-1. Connecting the cords coming from the sewing machine.............................................16
2-14-2. Connection of the cords coming from the stitch skipping detecting device, bobbin-
thread remaining amount detecting device and cover sensor........................................ 17
2-15 Handling the cords..................................................................................................................20
2-15-1. Handling the cords coming from the control box ......................................................... 20
2-15-2. Handling the cords coming from the control box for stitch skipping detecting device .. 20
2-16. Attaching the connecting rod................................................................................................21
2-17. Adjustment of the pedal.........................................................................................................22
2-17-1. Installing the connecting rod........................................................................................... 22
2-17-2. Adjusting the pedal angle ................................................................................................22
2-18. Pedal operation.......................................................................................................................22
2-19. Lubrication..............................................................................................................................23
2-20. How to use the operation panel (Basic explanation) ..........................................................24
2-20-1. Selection of the language (operation to be done at rst) ............................................. 24
2-20-2. Names and functions of the panel keys ......................................................................... 26
2-20-3. Basic operation.................................................................................................................27
3. PREPARATION BEFORE SEWING ...................................................................28
3-1. Attaching the needle ................................................................................................................28

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3-2. Attaching and removing the bobbin .......................................................................................28
3-3. Threading the hook ..................................................................................................................29
3-4. Winding a bobbin .....................................................................................................................29
3-5. Threading the machine head...................................................................................................31
3-6. Installing the attachment .........................................................................................................32
4. ADJUSTING THE SEWING MACHINE ..............................................................33
4-1. Thread tension..........................................................................................................................33
4-1-1. Adjusting the tension of thread tension controller No. 1................................................ 33
4-1-2. Adjusting the needle thread tension (Active tension)..................................................... 33
4-1-3. Adjusting the bobbin thread tension ................................................................................ 33
4-2. Thread take-up spring..............................................................................................................34
4-2-1. When you want to change the stroke of the thread take-up spring............................... 34
4-2-2. When you want to change the tension of the thread take-up spring............................. 34
4-3. Presser foot (Active presser device) ......................................................................................35
4-3-1. Presser foot pressure......................................................................................................... 35
4-3-2. Micro-lifter function ............................................................................................................35
4-4. Adjusting the stitch length ......................................................................................................36
4-5. Changing the sewing speed....................................................................................................36
4-6. Adjusting the alternating vertical movement amount...........................................................37
4-7. Thread trimming and condensation stitching function ........................................................38
4-8. LED hand light ..........................................................................................................................40
4-9. Reverse feed stitching .............................................................................................................40
4-10. Jog dial....................................................................................................................................40
4-11. Custom switch ........................................................................................................................41
4-12. Adjusting the oil quantity in the hook ..................................................................................44
5. OPERATION OF THE SEWING MACHINE........................................................ 45
5-1. Resetting the safety clutch......................................................................................................45
5-2. Lifting the presser foot at an emergency...............................................................................45
5-3. Power lamp ...............................................................................................................................46
5-4. Knee switch...............................................................................................................................47
5-5. Digital suspended ruler............................................................................................................48
6. HOW TO USE THE OPERATION PANEL .......................................................... 50
6-1. Explanation of the sewing screen (when selecting a sewing pattern)................................50
6-2. Sewing patterns........................................................................................................................54
6-2-1. Sewing pattern conguration ............................................................................................54
6-2-2. List of sewing patterns....................................................................................................... 55
6-2-3. Reverse feed stitching (at start) pattern........................................................................... 57
6-2-4. Reverse feed stitching (at end) pattern ............................................................................ 65
6-2-5. Editing the sewing patterns...............................................................................................66
6-2-6. List of pattern functions..................................................................................................... 71
6-2-7. Teaching function ............................................................................................................... 79
6-2-8. One-touch utility changeover function............................................................................. 81
6-2-9. Registration of a new sewing pattern ...............................................................................82
6-2-10. Copying a pattern .............................................................................................................84
6-2-11. Narrow-down function......................................................................................................85
6-3. Counter function.......................................................................................................................87
6-3-1. Displaying the sewing screen under the counter display mode.................................... 87
6-3-2. Types of the counter...........................................................................................................87
6-3-3. How to set the counter .......................................................................................................88

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6-3-4. How to reset the count-completion state ......................................................................... 91
6-4. Simplied chart of panel displays ..........................................................................................92
6-5. List of memory switch data .....................................................................................................93
6-6. List of errors .............................................................................................................................98
6-7. Memory switch data ...............................................................................................................102
7. CARE ................................................................................................................104
7-1. Standby mode.........................................................................................................................104
7-2. Cleaning ..................................................................................................................................105
7-3. Applying grease......................................................................................................................106
7-4. Replacing the fuse..................................................................................................................106
8. ADJUSTMENT OF THE MACHINE HEAD (APPLICATION) ...........................107
8-1. Needle-to-hook relation .........................................................................................................107
8-2. Adjusting the timing between the needle and the blade point of hook.............................108
8-3. Adjusting the hook needle guard..........................................................................................109
8-4. Adjusting the bobbin case opening lever ............................................................................109
8-5. Adjusting the position of counter knife, knife pressure and clamp pressure ..................110
8-6. Adjusting the thread trimming cam timing .......................................................................... 111
8-7. Active-presser multi-layered section detection function ...................................................112
8-7-1. Multi-layered section detection function........................................................................ 112
8-7-2. Turning OFF the multi-layered section changeover function by the number of
stitching .............................................................................................................................. 115
8-8. Grease shortage alarm ..........................................................................................................117
8-8-1. Regarding the grease shortage alarm ............................................................................ 117
8-8-2. E221 Grease-shortage error ............................................................................................ 117
8-8-3. Regarding K118 error resetting procedure .................................................................... 118
9. HOW TO USE THE OPERATION PANEL (APPLICATION)............................. 119
9-1. Management of sewing patterns...........................................................................................119
9-1-1. Creation of a new pattern................................................................................................. 119
9-1-2. Copying a pattern .............................................................................................................121
9-1-3. Deleting a pattern ............................................................................................................. 122
9-2. Setting up the polygonal-shape stitching............................................................................123
9-2-1. Editing a polygonal-shape stitching pattern.................................................................. 123
9-2-2. Creating a new polygonal-shape stitching pattern ....................................................... 129
9-2-3. Setting the step from which polygonal-shape stitching is started .............................. 129
9-3. Cycle pattern...........................................................................................................................130
9-3-1. Selecting the cycle pattern ..............................................................................................130
9-3-2. Editing cycle sewing data ............................................................................................... 131
9-3-3. Creating a new cycle pattern ........................................................................................... 132
9-3-4. Setting the step from which cycle sewing pattern is started ....................................... 134
9-4. Custom pitch...........................................................................................................................135
9-4-1. Selecting a custom pitch ................................................................................................. 135
9-4-2. Creating a new custom pitch...........................................................................................137
9-4-3. Custom pitch edit function ..............................................................................................140
9-4-4. Copying/deleting a custom pitch ....................................................................................141
9-5. Condensation custom pattern...............................................................................................142
9-5-1. Selecting the condensation custom ...............................................................................142
9-5-2. Creating a new condensation custom ............................................................................ 142
9-5-3. Condensation custom edit function ............................................................................... 145
9-5-4. Copying/deleting a condensation custom ..................................................................... 146

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9-6. Simple lock of the screen ......................................................................................................147
9-7. Version information................................................................................................................147
9-8. Adjustment of brightness of the LED panel.........................................................................148
9-9. Information..............................................................................................................................149
9-9-1. Data communication ........................................................................................................ 149
9-9-2. USB ....................................................................................................................................152
9-9-3. NFC ....................................................................................................................................153
9-10. Key customization................................................................................................................154
9-10-1. Assignable data .............................................................................................................. 154
9-10-2. How to assign a function to a key.................................................................................155
9-11. Maintenance management function....................................................................................157
9-12. Setting the ancillary devices ...............................................................................................161
9-12-1. Setting the ON/OFF status of suspended ruler............................................................ 162
9-12-2. Setting the ON/OFF status of stitch skipping detecting device ................................. 162
9-12-3. Setting the ON/OFF status of bobbin-thread remaining amount detecting device .. 163
9-12-4. Setting the ON/OFF status of cover sensor device ..................................................... 163
10. SEWING SPEED TABLE ................................................................................165
11. TROUBLES IN SEWING AND CORRECTIVE MEASURES .......................... 166