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JUKI LU-2810 User Manual

JUKI LU-2810
37 pages
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LU-2810, 2810-7, 2860, 2860-7
INSTRUCTION MANUAL
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JUKI LU-2810 Specifications

General IconGeneral
BrandJUKI
ModelLU-2810
CategorySewing Machine
LanguageEnglish

Summary

BEFORE OPERATION

1. SPECIFICATIONS

2. INSTALLATION

Carry the sewing machine with two persons.

Instructions for safely moving and positioning the sewing machine.

Attaching hinge seats and support rubbers

Securing hinge seats, support rubbers, and spacers to the table for machine head mounting.

Attaching the oil pan

Instructions for fixing the oil pan to the sewing machine table using screws.

Attach a filter to the oil pan

Guide for attaching the oil filter to the oil pan assembly.

Install hinge and head support components

Steps for installing hinges, head support rods, reflux pipes, filters, and brackets.

3. ADJUSTING THE BELT TENSION (LU-2810, LU-2860)

4. ATTACHING THE BELT COVER (LU-2810, LU-2860)

5. INSTALLING THE OIL SHIELD

6. PNEUMATIC COMPONENTS (LU-2810-7, LU-2860-7)

Installing the regulator

Guide for installing the pneumatic regulator assembly and associated couplings.

Adjusting the air pressure

How to set the operating air pressure using the filter regulator knob.

Exhaust tube

Guidance on routing the exhaust tube from the machine through the table.

7. INSTALLING THE THREAD STAND

8. LUBRICATION

Lubrication procedure

Steps for filling and maintaining the sewing machine's oil tank for proper lubrication.

Cleaning the oil filter

Procedure for cleaning the oil filter and reservoir to ensure proper lubrication.

Adjusting the oil quantity in the hook

Method for adjusting the amount of oil supplied to the hook mechanism.

9. ATTACHING THE NEEDLE

10. ATTACHING AND REMOVING THE BOBBIN

11. THREADING THE HOOK

12. INSTALLING THE THREAD GUIDE PIN

13. WINDING A BOBBIN

14. THREADING THE MACHINE HEAD

15. ADJUSTING THE STITCH LENGTH

Reverse feed stitching

How to engage reverse feed stitching using the control lever.

Manual one-touch reverse feed stitching

Using the touch-back switch for manual reverse feed stitching.

Changing over the stitching pitch (LU-2810-7 and -2860-7)

Adjusting stitch length by changing the stitch pitch using a switch.

16. THREAD TENSION

Adjusting the needle thread tension

How to adjust the tension of the needle thread using tension nuts.

Adjusting the bobbin thread tension

Method for adjusting the tension of the bobbin thread using an adjustment screw.

17. THREAD TAKE-UP SPRING

Adjusting the stroke of the thread take-up spring

How to change the stroke of the thread take-up spring by moving it in a slot.

Adjusting the tension of the thread take-up spring

Procedure for adjusting the tension of the thread take-up spring using nuts and screws.

18. HAND LIFTER

19. ADJUSTING THE PRESSURE OF THE PRESSER FOOT

20. NEEDLE-TO-HOOK RELATION

21. ADJUSTING THE HOOK NEEDLE GUARD

22. ADJUSTING THE BOBBIN CASE OPENING LEVER

23. POSITION OF THE COUNTER KNIFE AND ADJUSTMENT OF THE KNIFE PRESSURE

Adjusting the counter knife

Steps for positioning the counter knife relative to the throat plate and moving knife.

Adjusting the knife pressure

How to adjust the pressure applied by the moving knife for thread cutting.

24. ADJUSTING THE AMOUNT OF THE ALTERNATING VERTICAL MOVEMENT OF THE WALKING FOOT AND THE PRESSER FOOT

25. SEWING SPEED TABLE

26. RESETTING THE SAFETY CLUTCH

27. ADJUSTING THE AUTOMATIC PRESSER FOOT LIFTER

28. FIXING THE FEED ADJUSTING DIAL

29. NORMAL-/REVERSE-FEED STITCH NEEDLE ENTRY POINTS ALIGNMENT AT THE TIME OF AUTOMATIC REVERSE FEED STITCHING (LU-2810-7, LU-2860-7)

How to align needle entry points

Correcting needle entry point alignment for normal and reverse feed stitching.

Reverse feed stitching speed on the basis of stitch pitch

Adjusting reverse feed stitching speed based on the stitch pitch setting.

30. OPERATION SWITCHES (LU-2810-7, LU-2860-7)

Alternating vertical movement amount change-over switch

Using the switch to maximize the vertical movement of the walking foot and presser foot.

Automatic reverse feed stitching cancellation/addition switch

Controlling automatic reverse feed stitching for start or end of sewing.

Needle lifting switch

Function of the switch to move the machine from needle-down to needle-up stop position.

2P switch

Using the switch to change stitch length based on the 2P feed adjusting dial.

Needle thread tension changeover switch

Selecting double tension function for increased needle thread tension.

31. KNEE SWITCH

Installation of the knee switch

Steps for installing the knee switch mounting plate and the switch itself.

Functions of the knee switch

Overview of the knee switch's primary function and alternative uses.

Function setting of the knee switch

Configuring the knee switch functions via the machine's control panel settings.

32. MOTOR PULLEY AND V-BELT (LU-2810, LU-2860)

33. TROUBLES IN SEWING AND CORRECTIVE MEASURES

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