JUKI LU2810 Instruction Manual
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Also See for LU2810:
- Engineer's manual (84 pages) ,
- Instruction manual (37 pages) ,
- Specification (3 pages)
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Table of Contents
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Summary of Contents for JUKI LU2810
- Page 1 PARTS & INSTRUCTION MANUAL EDGE CUTTING DEVICE WITH COUNTER KNIFE JUKI LU2810...
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Page 2: Table Of Contents
TABLE OF CONTENTS Page: Notes of Safety Electrical Schematic Mounting the Edge Cutting Unit Functional description Mode of Operation Knife Change Knife Adjustments Adjusting the Edge Stop Knife Speed Knife Input Delay Source of Error 10.0 Maintenance Images Knife Adjusting Guidelines Electrical Diagram Parts List... -
Page 3: Notes Of Safety
NOTES OF SAFETY 1. The machine must only be commissioned in full knowledge of the instruction book and operated by persons with appropriate training. 2. Before putting into service also read the safety rules and instructions of the motor supplier. 3. -
Page 5: Electrical Schematic
1.0 Mounting the Edge Cutting Unit The edge cutting unit is mounted from the rear onto the machine. The respective adapter plate for the corresponding sewing machine is included in the kit. Possibly some drillings must be made according to the attached drill plan. 1.1 Installation of the motor control The drive for the edge cutter is screwed under the table. -
Page 6: Mode Of Operation
Attention: At devices with an edge cutting distance of 1.2-2.5 mm the maximum pass length is 4 mm. The maximum needle size at a cutting distance of 1.2-1.5 mm is NM 90. At non- compliance of these defaults needle breakage and the destruction of the needle plate and the lower knife is the result. -
Page 7: Knife Change
Process: - Turn OFF the knife - Turn toggle-switch “Automatic ON/EIN“ - Turn on the knife at the green “Power”-button - The knife is running into the cutting position without starting - As soon as the sewing machine is sewing, the knife starts cutting and stops again together with the sewing machine - The auxiliary functions “cutting stop feet lift-up”... -
Page 8: Knife Adjustments
ATTENTION: Pay close attention to the correct installation of the lower knife! The lower knife has a special grinding. The cusp of the knife must point at the upper knife. If the new knife is installed, please control as follows: - Switch on the main-switch at the sewing machine - Turn the toggle-switch at the knife motor to “OFF“... -
Page 9: Adjusting The Edge Stop
ATTENTION: At the following procedures a cutting test must be made (see item 3.0): - changing the upper knife - changing the lower knife - changing the stitch plate These knife adjustments are already set by MJF at assembly and normally never have to be changed! Adjusting the Edge Stop For post-bed-machines a pneumatic stop is attached at the machine bed. -
Page 10: Source Of Error
The speed of the knife depends on the material which has to be processed, as well as on the number of revolutions of the sewing machine and/or the stitch length. IMPORTANT: The more slowly the knife speed, the more service life of the knives! Source of error Knife does not cut... -
Page 11: Images
10.2 Screws "5" and “6” are for adjusting the bearing play. This attitude is already preset by MJF. The screws are secured. (Fig. 4) When readjusting the bearing play behind: ATTENTION: The edge cutting device must be smooth-running, when the motor is rotated manually!!! ATTENTION: With all maintenance and adjustment works switch off the main switches!!! - Page 12 Fig.1 Fig.2...
- Page 13 Fig.3 Fig.4...
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Page 14: Knife Adjusting Guidelines
Fig. 5 ADJUSTING GUIDELINES Edge Cutter with Counter Knife In order to improve the lifetime of the knife edge as long as possible, the following adjustments are very important: Knife height Adjustment of the knife in sewing direction Cutting angle between upper and lower knife Pressure of the cutting edge Following the installation instructions... -
Page 15: Electrical Diagram
Knife height At the lower dead center between knife point and needle plate cutout must be a gap of 0.5 mm. If the knife is at the upper center, the cut surface of the knife must reside against the counter knife. If the knife height is adjusted, loosen screws “G”... -
Page 16: Parts List
Adjustment of the knife in sewing direction After loosening of the screws “E“ the knife holder can be pushed forwards or back. Cutting angle between upper and lower knife This means that the knife, if it goes downward should have an easy shears effect, i.e. - Page 17 Loosen screw “C“. Rotate the eccentric bush with the fork wrench “A“ gently. Then tighten screw “C“ again. Now the guide bolt “B“ must be rotated with a fork wrench in such a way that the cutting bracket runs again easily.
- Page 18 Pressure of the cutting edge By loosening of the screws “H“ and adjusting of the stop screw “D“ the pressure of the cutting edge is adjusted. If the knife is above, it must reside against the counter knife in the needle plate easily.
- Page 19 Instruction of installation During assembly of the edge cutter it is absolutely necessary that the knife surface stands exactly rectangular to the upper edge of the needle plate.
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