LK-1903, 1903/BR25 (June, 2001) 3/4
φ
B
φ
C
A
Model name
Sewing speed
Needle (at the time of delivery)
Button configuration
Sewing pattern number
LK-1903S-305
1,500rpm
TQ
×
3 (#14)
18, 19, 20, 21, 22
Outside diameter
Diameter of hole in button
φ
8
〜
φ
20
φ
1.5 or more
Position of hole in button
Configuration of shank
B (mm)
1
3
5
Min.
4
3
--
A (mm)
Max.
9
8
7
*
No model is provided with a button feeder.
Model name
Button type
Outside diameter that
can be adjusted (mm)
Sewing
size (mm)
Button clamp
jaw lever
Length
width
Button
neck
height
(mm)
Pa
rt
N
o
.
R
igh
t
Le
ft
LK-1903-301
For small button
φ
10
〜
φ
20
0
〜
3.5
0
〜
3.5
1.7
(2.2)
(2.7)
(0.9)
1.6
(1.8)
*
(1.1)
φ
3.5
φ
1.6
MAZ-15501000
(141-49603)
*
(D2426-284-Y00)
MAZ-15502000 (
□
8.5)
A
B
C
Part No.
Needle hole
guide (mm)
Feed plate
1.6
φ
3.5
φ
2.0
MAZ-15601000
MAZ-15602000 (
□
10)
1.4
φ
3.5
φ
2.0
MAZ-15701000
MAZ-15702000 (
□
12.5)
1.6
(1.8)
φ
2.8
φ
1.6
MAZ-15801000
(141-49900)
--
MAZ-15502000 (
□
8.5)
141-48852
(MAZ-155070B0)
(MAZ-156070B0)
*
(B2555-3720A0)
141-48951
(MAZ-155080B0)
(MAZ-156080B0)
*
(B2557-372-0A0)
K
B
C
--
K
B
C
--
141-49058
(MAZ-155070B0)
(MAZ-156070B0)
--
141-49157
(MAZ-155080B0)
(MAZ-156080B0)
--
L
B
C
--
L
B
C
--
MAZ-157070BB
(MAZ-157070BA)
--
--
MAZ-157080BB
(MAZ-157080BA)
--
--
D
E
--
--
D
E
--
--
MAZ-158070BB
(MAZ-158070BA)
--
--
MAZ-158080BB
(MAZ-158080BA)
--
--
G
F
--
--
G
F
--
--
LK-1903-302
For medium-size button
φ
10
〜
φ
20
0
〜
4.5
0
〜
4.5
2.0
(2.2)
(2.7)
LK-1903-303
For large button
φ
15
〜
φ
32
0
〜
6.5
0
〜
6.5
2.7
(3.2)
LK-1903-304
For extra-small button
1.7
(2.2)
φ
8
〜
φ
9
0
〜
2.5
0
〜
2.5
φ
9
〜
φ
10
0
〜
3.0
0
〜
3.0
φ
10
〜
φ
15
0
〜
3.5
0
〜
3.5
Notes: 1. Parts of which part number is shown in parentheses are optional.
2. "B", "C", "D", "E", "F", "G", "K" and "L" are the markers engraved on the attachments.
3. Please install all of the parts marked "
*
" on 0.9mm set up.
MODELS CLASSIFIED BY BUTTON SIZES
FOR SEWING SHANK BUTTONS
7