Position Of The Button Clamp Jaw Lever - JUKI LK-1901AN Instruction Manual

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(2) Selection of the sewing pattern and the sewing width
™ Selection of the sewing pattern is the same as that of the LK-1900AN.
™ When the distance between holes of the button used does not fit the standard sewing width of the
sewing pattern No., adjust the sewing width by enlarging/reducing the sewing width.
The way of enlarging/reducing is the same as that of the LK-1900AN. Refer to the table given below for
the scale for enlargement/reduction in terms of the sewing width.
™ After changing the sewing pattern No. and the sewing width, make sure of the needle entry point.
As for the way of confirmation, refer to the
the instruction manual for the LK-1900AN.
◎ Table of XY scale in terms of the sewing width
X•Y
2.4
2.6
2.8
( mm)
%
71
76
82

5. Position of the button clamp jaw lever

WARNING :
When change of the shape of button, change of the sewing pattern or enlargement/reduction of the
sewing width is performed, make sure the needle entry point. If the needle extends outside the button
hole or the sewing pattern extends outside the button clamp unit, the needle interferes with the button
hole or the button clamp unit, resulting in the danger of the needle breakage or the like.
1
Button
Needle entry point
3.0
3.2
3.4
3.6
88
94
100
106
2
Hole in the button
"
Checking the contour of a sewing pattern" p.19
!.[5]-2
4.0
4.3
4.5
4.7
118
126
132
138
1) Press
key in the state that the swing LED
goes off using the operation panel.
2) Press
key. /
3) Press
key. The button clamp unit goes to
the origin position and goes up.
4) Place a button in button clamp jaw levers 1 .
5) Depress the pedal to the first step and detach
your foot from the pedal when the button clamp
unit comes down.
6) Turn the hand pulley and check that the center of
the needle enters the center of the button.
7) If the center of the needle is not located in the
center of the button, loosen screws 2 in the button
clamp jaw lever base to adjust so that the center of
the needle enters the center of the button.
8) When depressing the pedal to the second step
at step 5), the button clamp unit moves again to
the origin position. In addition, when the button
clamp unit comes down, depress the pedal to
the first step and detach the foot from the pedal.
Then the button clamp unit goes up.
9) After the adjustment, perform the confirmation of
the pattern shape and make sure that the needle
surely has entered the button hole.
67
5.2
5.6
6.0
6.2
153
165
176
182
in
6.4
188

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This manual is also suitable for:

Lk-1902anLk-1903anLk-1903an-305

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