Juki MB-1373 Manual de Usario

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MB-1373,1377
INSTRUCTION MANUAL
ENGLISH
CONTENTS
1. SPECIFICATIONS 1 ...........................................................................................................
2. PREPARATION OF THE SEWING MACHINE ................................................................ 1
2-1. Installation 1 ..........................................................................................................................................
2-2. Lubrication 2 ..........................................................................................................................................
2-3. Attaching the needle 2 ..........................................................................................................................
2-4. Attaching the needle bar cover 3 .........................................................................................................
2-5. Attaching the button tray assembly 3 .................................................................................................
2-6. Threading the machine 3 ......................................................................................................................
3. ADJUSTMENT OF THE SAWING MACHINE 4 .................................................................
3-1.
Thread tension adjustment........................................................................................................................ 4
3-2.
Adjustment of the thread pull-off lever 4 ....................................................................................................
3-3. Adjusting the tension lever 4 ...............................................................................................................
3-4. Adjusting the nipper 5 ..........................................................................................................................
3-5. Adjusting the thread tension guide on the face plate 5 .....................................................................
3-6.
Needle-to-looper relation 5 ....................................................................................................................................
3-7. Position of the needle guide 6 .............................................................................................................
3-8. Height of the button clamp 6 ................................................................................................................
3-9. Work pressing force 6 ..........................................................................................................................
3-10.
Adjustment of the button clamp stop lever 6 .....................................................................................
3-11. Timing of thread tension release 7 ....................................................................................................
3-12. Setting for 2- or 4-hole buttons 7 .......................................................................................................
3-13. Setting a number of stitches 8 ...........................................................................................................
3-14. Adjusting the position of the stop-motion 8 .....................................................................................
3-15. Adjusting the position of the moving knife 9 ...................................................................................
3-16. Clearance between the button clamp lifting lever and the adjusting screw 9 ..............................
3-17. How to set the L-shaped lifting rod 9 ................................................................................................
3-18. Knot-tying mechanisms 10 ................................................................................................................
(1) Adjusting the knot-tying connecting plate .....................................................................................10
(2) Adjusting the knot-tying arm stopper 10 ............................................................................................
(3) Adjusting the knot-tying notch 10 ......................................................................................................
(4) Changeover of with/without knot-tying ......................................................................................... 11
3-19. Adjusting the thread tension controller No. 3 .............................................................................12
(1) Assembly procedure ....................................................................................................................12
(2) Adjustment ...................................................................................................................................12
4. MAINTENANCE, SUBCLASS MODELS AND ATTACHMENTS 13 ..................................
4-1. How to connect the metal ttings of the belt ................................................................................13
4-2. Subclass models 13 .............................................................................................................................
4-3. Attachments ......................................................................................................................................14
(1) Attachments for shank buttons (Pearl buttons) (Z033) ................................................................15
(2) Attachment for the rst process of wrapped-around buttons (Z041) ............................................15
(3) Attachment for the second process of wrapped-around buttons (Z035) 16 ......................................
(4) Attachment for snaps (Z037) 16 ........................................................................................................
(5) Attachment for metal buttons (Z038) 17 ............................................................................................
4-4. Motor pulley and belt .......................................................................................................................17
5. TROUBLES AND CORRECTIVE MEASURES 18 .............................................................
– 1 –
1. SPECIFICATIONS
MB-1373 MB-1377
Sewing speed Normal 1,300 sti/min (Max. 1,500 sti/min)
Number of stitches 8, 16 and 32 stitches
Feed amount Lateral feed 2.5 to 6.5mm
Longitudinal feed 0, 2.5 to 6.5mm
Lateral feed 2.5 to 6.5mm
Longitudinal feed 0, 2.5 to 4.5mm
Button size 10 to 28 mm
Needle used TQx1 #16 (#14 to #20) TQx7 #16 (#14 to #20)
Lubricating oil JUKI New Defrix Oil No. 1
Noise - Equivalent continuous emission sound pressure level (L
pA) at the workstation :
A-weighted value of 84 dB; (Includes K
pA = 2.5 dB); according to ISO 10821-
C.6.3 -ISO 11204 GR2 at 1,300 sti/min.
2-1. Installation
2. PREPARATION OF THE SEWING MACHINE
Put rubber cushion 1 on the table,
place the machine head on the rubber
cushion and x it to the table using
screws 2, plain washers 3 and nuts
4. Attach “S” chain hook 6 and chain
7 to stop motion trip lever 5.
1
2
4
3
6
7
5

Especificaciones del producto

Marca: Juki
Categoría: máquina de coser
Modelo: MB-1373

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