Juki LU-2828-7 Handleiding
Juki
Naaimachine
LU-2828-7
Lees hieronder de 📖 handleiding in het Nederlandse voor Juki LU-2828-7 (51 pagina's) in de categorie Naaimachine. Deze handleiding was nuttig voor 42 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
Pagina 1/51
LU-2828-7, 2828-6
INSTRUCTION MANUAL
i
CONTENTS
1. SPECIFICATIONS 1
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2. INSTALLATION 2
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2-1. Installation of the sewing machine 2
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2-2. Installing the belt cover and the belt (LU-2828-6) 5
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2-3. Adjusting the belt tension (LU-2828-6) 6
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2-4. Installing the synchronizer (LU-2828-6) 6
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2-5. Adjusting the synchronizer (LU-2828-6) 7
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2-6. Installing the oil shield 8
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2-7. Pneumatic components 8
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2-8. Wiring the machine head (LU-2828-6) 10
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2-9. Installing the thread stand 14
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2-10. Installing the thread guide pin 14
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3. PREPARATION OF THE SEWING MACHINE 15
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3-1. Lubrication 15
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3-2. Attaching the needle......................................................................................................... 17
3-3. Attaching and removing the bobbin 17
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3-4. Threading the hook 18
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3-5. Winding a bobbin 18
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3-6. Threading the machine head 19
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3-7. How to set the model of the machine head (LU-2828-7) 20
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3-8.
Adjusting the machine head
(LU-2828-7) 22
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4. ADJUSTING THE SEWING MACHINE 24
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4-1. Adjusting the stitch length............................................................................................... 24
4-2. Thread tension 25
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4-3. Thread take-up spring 26
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4-4. Adjusting the pressure of the presser foot 27
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4-5. Needle-to-hook relation 28
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4-6. Adjusting the hook needle guard 29
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4-7. Adjusting the bobbin case opening lever....................................................................... 29
4-8. Adjusting the moving knife, the counter knife and the bobbin thread clamp............. 30
4-9. Adjusting the thread trimming cam timing..................................................................... 32
4-10. Adjusting the condensation stitch 33
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4-11. Adjusting the amount of the alternating vertical movement of the walking foot and
the presser foot 34
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5. OPERATION OF THE SEWING MACHINE 34
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5-1. Hand lifter 34
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5-2. Resetting the safety clutch 34
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5-3. Adjusting the automatic presser foot lifter 35
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5-4. Fixing the feed adjusting dial 36
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5-5. Normal-/reverse-feed stitch needle entry points alignment at the time of automatic
reverse feed stitching 37
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5-6. Operation switches 38
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5-7. Knee switch 40
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5-8. Function setting for the SC-922 (LU-2828-7) 43
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6. SEWING SPEED TABLE 46
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7. TROUBLES IN SEWING AND CORRECTIVE MEASURES 47
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– 1 –
No. Item Application
1 Model LU-2828-7 LU-2828-6
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)
1-needle, unison-feed, lockstitch
machine with automatic thread trimmer
(with 2.7-fold vertical axis hook/needle
thread clamp function/V belt type)
3 Application Medium- to heavy-weight materials, car seat, furniture
4 Sewing speed Max. 3,000 sti/min
(See "6. SEWING SPEED TABLE" p.46.) *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-922B -
26 Machine head weight 62 kg
27 Rated power consumption 180VA
28 Noise *2 - 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.
*2 The noise level show in the table is the level generated in the case JUKI's control box (SC-922) is used.
1. SPECIFICATIONS
Product specificaties
| Merk: | Juki |
| Categorie: | Naaimachine |
| Model: | LU-2828-7 |
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