Sub-Class Information; Models Classified By Button Sizes (Lk-1903An) - JUKI LK-1900AN Engineer's Manual

4. Sub-class information

(1) Models classified by button sizes (LK-1903AN)

Model name
Button size classification
Outside diameter that can be adjusted
(mm)
Sewing size (mm) Lengthwise (Y)
Crosswise (X)
Button clamp jaw lever Thickness (mm)
(combination)
Part No. Right
Needle hole guide (mm) Height of boss A
φB
φC
Outside diameter
of boss B
A
Diameter of hole
Part No.
Feed plate
● Items in ( ) are optional.
● * For common use
Model name
Button type
Max. Sewing speed
Button configuration Outside diameter
Diameter of hole in
button
Position of hole in
button
Configuration of
shank
B
Sewing pattern No.
LK-1903AN-301
For Extra-small buttons
φ8 to φ9 φ9 to φ10 φ10 to φ15
0 to 2.5 0 to 3.0
0 to 2.5 0 to 3.0
1.7
(2.2)
MAZ158070BB
(MAZ158070BA)
-
-
Left MAZ158080BB
(MAZ158080BA)
-
-
1.6
(1.8)
φ2.8
φ1.6
C
MAZ15801000
(14149900)
-
MAZ15502000( □ 8.5)
Option (LK-1903AN-305)
For shank buttons
1,500 sti/min
φ8 to φ20
φ1.5 or more
1.5mm or more
A (mm)
B (mm)
Min. Max.
1 4 9
2 3 8
A
3 - 7
18, 19, 20, 21, 22
For small buttons
(accessories)
φ10 to φ20
0 to 3.5 0 to 3.5
0 to 3.5 0 to 3.5
1.7
(2.2)
(2.7)
*(0.9)
G 14148852 K
F (MAZ155070B0) B
- (MAZ156070B0) C
- *(B25553720A0) -
G 14148951 K
F (MAZ155080B0) B
- (MAZ156080B0) C
- *(B25573720A0) -
(1.6)
(1.8)
*(1.1)
(φ3.5)
(φ1.6)
(MAZ15501000)
(14149603)
*(D2426284Y00)
←
Optional parts for shank button
Part No.
14146054
D1401M1YC0A
MAZ160170A0
40015434
14148209
SL6030892TN (2 pcs.)
MAZ16015000
SD0640321TP
40010103
SL6040892TN (2 pcs.)
MAZ16021000
MTQ300B1400
– 52 –
LK-1903AN-302 Optional
For medium-sized For large buttons
buttons
φ10 to φ20 φ15 to φ32
0 to 4.5 0 to 6.5
0 to 4.5 0 to 6.5
2.0 2.7
(2.2) (3.2)
(2.7)
14149058 L MAZ157070BB
(MAZ155070B0) B (MAZ157070BA)
(MAZ156070B0) C
- -
14149157 L MAZ157080BB
(MAZ155080B0) B (MAZ157080BA)
(MAZ156080B0) C
- -
1.6
φ3.5
φ2.0
MAZ15601000 MAZ15701000
MAZ15602000( □ 10) MAZ15702000( □ 12.5)
Names of part
Pick-up device complate
Needle bar (for TQ-1)
Wiper (asm.)
Moving plate link A
Bushing
Screw
Button support link
Hinge screw
Connecting link
Screw
Needle hole guide
Needle TQ × 3 # 14
D
E
- -
- -
D
E
- -
- -
1.4
φ3.5
φ2.0