Juki LU-2868-7 Bedienungsanleitung
Juki
Nähmaschine
LU-2868-7
Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Juki LU-2868-7 (49 Seiten) in der Kategorie Nähmaschine. Dieser Bedienungsanleitung war für 15 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet
Seite 1/49
LU-2810, 2810-7, 2860, 2860-7,
2818-7, 2868-7
INSTRUCTION MANUAL
i
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 .........................................
– 1 –
No. Item Application
1 Model LU-2810 LU-2860
2 Model name 1-needle, unison-feed, lockstitch
machine
2-needle, unison-feed, lockstitch
machine
3 Application Medium- to heavy-weight materials, car seat, furniture
4 Sewing speed Max. 3,000 sti/min
(See "6. SEWING SPEED TABLE"
p.45.)
Max. 2,700 sti/min
(See "6. SEWING SPEED TABLE"
p.45.)
5 Needle GROZ-BECKERT 135 x 17 (Nm 125 to Nm 180) (Standard : Nm 160)
6 Applicable thread size for sewing #30 to #5
7 Stitch length Max. 9 mm (forward/reverse feed)
8 Stitch length dial 1-pitch dial
9 Presser foot lift Hand lifter : 10 mm
By knee lifter : 20 mm
10 Stitch length adjusting
mechanism
By dial
11 Reverse stitch adjusting method By lever
12 Thread take-up Link thread take-up
13 Needle bar stroke 40 mm
14 Amount of the alternate vertical
movement
1 mm to 9 mm (Alternate vertical dial adjustment type)
15 Hook Full-rotary vertical-axis 2-fold hook (Latch type)
16 Feed mechanism Box feed
17 Top and bottom feed actuation
mechanism
Timing belt
18 Lubrication Automatic lubrication by oil tank (with oil gauge)
19 Lubricating oil JUKI New Defrix Oil No. 1 (equivalent to ISO standard VG7)
or JUKI MACHINE OIL No. 7
20 Bed size 643 mm × 178 mm
21 Space under the arm 347 mm × 127 mm
22 Hand wheel size Effective diameter of the V belt section : ø76.0 mm Outer diameter : ø140 mm
23 Motor/Control box M51N 750W / SC-922A
24 Machine head weight 56 kg 61 kg
25 Noise - Equivalent continuous emission sound
pressure level (LpA) at the workstation:
A-weighted value of 83.0 dB; (Includes
KpA = 2.5 dB); according to ISO 10821-
C.6.2 - ISO 11204 GR2 at 3,000 sti/
min.
- Sound power level (LWA);
A-weighted value of 88.5 dB; (Includes
KWA = 2.5 dB); according to ISO 10821-
C.6.2 - ISO 3744 GR2 at 3,000 sti/min.
- Equivalent continuous emission sound
pressure level (LpA) at the workstation:
A-weighted value of 83.0 dB; (Includes
KpA = 2.5 dB); according to ISO 10821-
C.6.2 - ISO 11204 GR2 at 2,700 sti/
min.
- Sound power level (LWA);
A-weighted value of 88.5 dB; (Includes
KWA = 2.5 dB); according to ISO 10821-
C.6.2 - ISO 3744 GR2 at 2,700 sti/min.
1. SPECIFICATIONS
Produktspezifikationen
| Marke: | Juki |
| Kategorie: | Nähmaschine |
| Modell: | LU-2868-7 |
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