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LK-1903/BR25
WHEN YOU PLACE ORDERS
Machine head
LK-1903SS-
Application
Code
Standard
S
Work clamp foot
Code
Electromagnetic
S
Button feeder
BR25
Power supply
Code
100 120V
C
Single-
200 240V
K
phase
220 415V
R
200 240V
D
220 415V
L
3-phase
220 415V
(provided with an
M
electromagnetic
switch)
SHAPE OF BUTTON
Applicable button
1.2mm
or more
Thickness of button should be
1.8mm to 3.5mm.
OPTIONS
Button spacer
(commonly used for men's wear and ladies wear)
Model
Applicable model
Q124
LK-1903/BR25
LK-1903, 1903/BR25 (June, 2001) 4/4
Button clamp jaw lever
Code
For small button
311
For medium-size button
312
Feed plate
Code
For small button
(standard: 16mm)
For medium-size
M
button (22mm)
Inapplicable carrier
1.2mm
or less
Button without indented part
(concavo-convex shape button)
Button with thin edge may not
be fed by the button feeder.
Part No.
MAQ-124000A0
MODELS CLASSFIED BY BUTTON SIZES
Model name
LK-1903-311/BR25
Button type
Outside diameter that
can be adjusted (mm)
Length
Sewing
size (mm)
width
Button
neck
height
(MAZ-165070B0)
Button clamp
jaw lever
(MAZ-165080B0)
Needle hole
A
guide (mm)
B
B
C
C
Part No.
A
Feed plate
MAZ-15502000 ( 8.5)
Notes: 1. Parts of which part number is shown in parentheses are optional.
2. "H", "J" and "P" are the markers engraved on the attachments.
BUTTON CARRIER
Configuration of button carrier
For 4-holed button
A
A
B
Distance
A(mm):
Distance
Distance
B(mm):
Part No.
between
Diameter
holes in
of set pin
button
2.6
1.0
165-57902
2.0
1.0
165-90507
2.2
1.0
165-90606
2.4
1.0
165-88501
2.4
1.2
165-88600
2.6
1.2
165-88709
2.8
1.2
165-88808
3.0
1.2
165-88907
3.0
1.5
165-89806
3.1
1.0
165-87206
3.1
1.2
165-89004
3.1
1.4
165-89202
3.2
Tapered
165-89905
3.6
1.2
165-90705
4.0
1.2
165-89707
LK-1903-312/BR25
For small button
For medium-size button
10
15
12
0 3.5
0 4.5
0 3.5
0 4.5
1.7mm
2.7mm
(2.2mm)
141-90458
P
MAZ-166070B0
H
--
--
--
--
--
--
--
141-90557
P
MAZ-166080B0
H
--
--
--
--
--
--
--
1.6
(1.8)
3.5
1.6
MAZ-15501000
(141-49603)
MAZ-15601000
--
MAZ-15602000 ( 10)
For 2-holed button
A
B
Distance
A(mm):
Distance
Distance
B(mm):
Code
Part No.
between
Diameter
holes in
of set pin
button
Standard
A
3.2
1.2
165-58009
Optional
Q
2.0
1.0
165-87305
R
2.2
1.0
165-87404
S
2.4
1.0
165-87503
T
2.4
1.2
165-87909
U
2.6
1.0
165-87602
V
2.6
1.2
165-88006
W
2.8
1.0
165-87701
F1
2.8
1.2
165-88105
D
3.0
1.0
165-87800
X
3.0
1.2
165-88204
Z
3.8
1.2
165-87107
G1
H1
E1
18
J
--
--
--
J
--
--
--
1.6
3.5
2.0
Code
B
E
F
G
L
H
M
J
N
K
P
C
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