Juki LU-2828ES-7 Handleiding
Juki
Naaimachine
LU-2828ES-7
Lees hieronder de 📖 handleiding in het Nederlandse voor Juki LU-2828ES-7 (44 pagina's) in de categorie Naaimachine. Deze handleiding was nuttig voor 23 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
Pagina 1/44
LU-2828ES-7
INSTRUCTION MANUAL
i
CONTENTS
1. SPECIFICATIONS 1 ............................................................................................................
2. INSTALLATION 2 ................................................................................................................
2-1. Installation of the sewing machine 2 ....................................................................................................
2-2. Installing the oil shield 5 .......................................................................................................................
2-3. Pneumatic components 5 ......................................................................................................................
2-4. Installing the thread stand 6 .................................................................................................................
3. PREPARATION OF THE SEWING MACHINE 7 ................................................................
3-1. Lubrication 7 ...........................................................................................................................................
3-2. Attaching the needle 9 ...........................................................................................................................
3-3. Attaching and removing the bobbin 9 ..................................................................................................
3-4. Threading the hook 10 ...........................................................................................................................
3-5. Winding a bobbin .............................................................................................................................. 10
3-6. Threading the machine head ........................................................................................................... 11
3-7. How to set the model of the machine head 12 ....................................................................................
3-8.
Adjusting the machine head 14 .....................................................................................................................
3-9. Installing the attachment 16 ..................................................................................................................
4. ADJUSTING THE SEWING MACHINE 17 .........................................................................
4-1. Adjusting the stitch length 17 ...............................................................................................................
4-2. Thread tension 18 ..................................................................................................................................
4-3. Thread take-up spring 19 ......................................................................................................................
4-4. Adjusting the pressure of the presser foot 19 .....................................................................................
4-5. Needle-to-hook relation 20 ....................................................................................................................
4-6. Adjusting the hook needle guard 21 ....................................................................................................
4-7. Adjusting the bobbin case opening lever 22 .......................................................................................
4-8. Adjusting the moving knife, the counter knife and the bobbin thread clamp 23 .............................
4-9. Adjusting the thread trimming cam timing 25 .....................................................................................
4-10. Adjusting the condensation stitch 26 ................................................................................................
4-11. Adjusting the amount of the alternating vertical movement of the walking foot and the
presser foot 27 .......................................................................................................................................
5. OPERATION OF THE SEWING MACHINE 27 ...................................................................
5-1. Hand lifter 27 ..........................................................................................................................................
5-2. Resetting the safety clutch 27 ..............................................................................................................
5-3. Adjusting the automatic presser foot lifter 28 .....................................................................................
5-4. Fixing the feed adjusting dial 29 ...........................................................................................................
5-5. Normal-/reverse-feed stitch needle entry points alignment at the time of automatic reverse
feed stitching 30 .....................................................................................................................................
5-6. Operation switches 31 ...........................................................................................................................
5-7. Knee switch 33 .......................................................................................................................................
5-8. Function setting for the SC-923 36 .......................................................................................................
6. SEWING SPEED TABLE 39 ...............................................................................................
7. TROUBLES IN SEWING AND CORRECTIVE MEASURES 40 .........................................
– 1 –
No. Item Application
1 Model LU-2828ES-7
2 Model name 1-needle, unison-feed, lockstitch machine with automatic thread trimmer (with 2.7-
fold vertical axis hook/needle thread clamp function/direct drive type)
3 Application Medium- to heavy-weight materials, car seat, furniture
4 Sewing speed Max. 3,500 sti/min
(See "6. SEWING SPEED TABLE" p.39.) *1
5 Needle SCHMETZ 134-35 (Nm 125 to Nm 180) (Standard : Nm 140)
6 Applicable thread size for sewing #30 to #5
7 Applicable thread size to be cut #30 to #5
8 Stitch length Max. 9 mm (forward/reverse feed)
9 Stitch length dial 2-pitch dial
10 Presser foot lift Hand lifter : 10 mm
Automatic presser foot lifter : 20 mm
11 Stitch length adjusting
mechanism
By dial
12 Reverse stitch adjusting method Air cylinder type (with touch-back switch)
13 Thread take-up Link thread take-up
14 Needle bar stroke 40 mm
15 Amount of the alternate vertical
movement
1 mm to 9 mm (Alternate vertical dial adjustment type)
16 Hook Full-rotary vertical-axis 2.7-fold hook (Latch type)
17 Feed mechanism Box feed
18 Top and bottom feed actuation
mechanism
Timing belt
19 Thread trimming method Cam-driven scissors type
20 Lubrication Automatic lubrication by oil tank (with oil gauge)
21 Lubricating oil JUKI New Defrix Oil No. 1 (equivalent to ISO standard VG7)
or JUKI MACHINE OIL No. 7
22 Bed size 643 mm × 178 mm
23 Space under the arm 347 mm × 127 mm
24 Hand wheel size Outer diameter : ø123 mm
25 Motor/Control box SC-923
26 Machine head weight 65.5 kg
27 Rated power consumption 600VA
28 Noise - Equivalent continuous emission sound pressure level (L
pA) at the workstation:
A-weighted value of 81.0 dB; (Includes K
pA = 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 85.5 dB; (Includes K
WA = 2.5 dB); according to ISO
10821- C.6.2 - ISO 3744 GR2 at 3,000 sti/min.
*1 The speed setting according to the amount of the alternating vertical movement of the walking foot and presser
foot is automatically carried out.
1. SPECIFICATIONS
Product specificaties
| Merk: | Juki |
| Categorie: | Naaimachine |
| Model: | LU-2828ES-7 |
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