JUKI LU-2818-7 User Manual

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CONTENTS
1. SPECIFICATIONS ............................................................................................................ 1
2. INSTALLATION ................................................................................................................ 4
2-1. Installation of the sewing machine ....................................................................................................4
2-2. Installing the belt cover and the belt (LU-2810, LU-2860) ...............................................................7
2-3. Adjusting the belt tension (LU-2810, LU-2860) .................................................................................7
2-4. Installing the oil shield .......................................................................................................................8
2-5. Pneumatic components (LU-2810-7, LU-2860-7, LU-2818-7, LU-2868-7) ....................................... 8
2-6. Installing the thread stand ...............................................................................................................10
2-7. Installing the thread guide pin ......................................................................................................... 11
3. PREPARATION OF THE SEWING MACHINE .............................................................. 12
3-1. Lubrication .........................................................................................................................................12
3-2. Attaching the needle ......................................................................................................................... 14
3-3. Attaching and removing the bobbin ................................................................................................15
3-4. Threading the hook ........................................................................................................................... 15
3-5. Winding a bobbin .............................................................................................................................. 16
3-6. Threading the machine head ...........................................................................................................17
3-7. How to set the model of the machine head ....................................................................................19
3-8. Adjusting the machine head ( LU-2810-7, LU-2860-7, LU-2818-7, LU-2868-7) ...................................... 21
4. ADJUSTING THE SEWING MACHINE ......................................................................... 23
4-1. Adjusting the stitch length ............................................................................................................... 23
4-2. Thread tension ..................................................................................................................................24
4-3. Thread take-up spring ......................................................................................................................25
4-4. Adjusting the pressure of the presser foot .....................................................................................26
4-5. Needle-to-hook relation ....................................................................................................................27
4-6. Adjusting the hook needle guard ....................................................................................................28
4-7. Adjusting the bobbin case opening lever ....................................................................................... 29
4-8. Adjusting the position of counter knife, knife pressure and clamp pressure .............................30
4-9. Adjusting the condensation stitch (LU-2818-7, LU-2868-7) ...........................................................31
4-10. Adjusting the amount of the alternating vertical movement of the walking foot and the
presser foot .......................................................................................................................................32
5. OPERATION OF THE SEWING MACHINE ................................................................... 32
5-1. Hand lifter ..........................................................................................................................................32
5-2. Resetting the safety clutch ..............................................................................................................33
5-3. Adjusting the automatic presser foot lifter .....................................................................................34
5-4. Fixing the feed adjusting dial ...........................................................................................................35
5-5. How to change the maximum stitch length (LU-2818-7, LU-2868-7) ............................................37
5-6. Normal-/reverse-feed stitch needle entry points alignment at the time of automatic reverse
feed stitching (LU-2810-7, LU-2860-7, LU-2818-7, LU-2868-7) .......................................................38
5-7. Operation switches (LU-2810-7, LU-2860-7, LU-2818-7, LU-2868-7) ............................................. 39
5-8. Knee switch .......................................................................................................................................41
5-9. Function setting for the SC-922 (LU-2818-7, LU-2868-7) ...............................................................44
6. SEWING SPEED TABLE ............................................................................................... 45
7. MOTOR PULLEY AND V-BELT (LU-2810, LU-2860) ................................................... 45
8. TROUBLES IN SEWING AND CORRECTIVE MEASURES ......................................... 46

JUKI LU-2818-7 Specifications

General

Brand	JUKI
Model	LU-2818-7
Category	Sewing Machine
Language	English