JUKI LU-2810 Series, Руководство инженера

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Adjustment procedures Results of Improper adjustment
1. Set the stitch dial to “0”.
2. Turn the handwheel to bring the needle bar to the lowest dead
point of its stroke.
3. Loosen clamping screw
1
of the needle bar rocking link.
4. In the state that the presser foot is raised, adjust the clearance
between presser bar
7
and walking bar
8
to dimension E,
then securely tighten clamping screw
1
of the needle bar rock-
ing link.
5. Loosen clamping screw
4
of the feed base arm.
6. Move the feed base
5
to adjust so that needle
6
enters the
center of the needle hole in feed dog
2
. Then securely tighten
clamping screw
4
of the feed base arm. (a = a’)
In addition, adjust the lateral clearances of feed dog
2
in terms
of the window of throat plate
3
to almost equal values. (A = B)
[Checking method]
1. Set the stitch dial to the maximum.
2. Turn the handwheel and make sure that feed dog
2
does not
come in contact with the throat plate
3
at the position where
the feed dog
2
travels fully to the front or to the rear.
o
Stitch skipping or needle break-
age will result.
o
Poorly tensed stitches will result.
Adjustment procedures Results of Improper adjustment
1. Set the stitch dial to “0”.
2. Turn the handwheel to bring the needle bar to the lowest dead
point of its stroke.
3. Loosen clamping screw
4
of the feed base arm.
4. Adjust the clearance between throat plate
3
and feed dog
2
to dimension E, then securely tighten clamping screw
4
of the
feed base arm.
5. Loosen clamping screw
1
of the needle bar rocking link.
6. Move the needle bar rocking base to adjust so that needle
6
enters the center of the needle hole in feed dog
2
. Then se-
curely tighten clamping screw
1
of the needle bar rocking link.
(a = a’)
In addition, adjust the lateral clearances of feed dog
2
in terms
of the window of throat plate
3
to almost equal values. (A = B)
[Checking method]
1. Set the stitch dial to the maximum.
2. Turn the handwheel and make sure that feed dog
2
does not
come in contact with the throat plate
3
at the position where
the feed dog
2
travels fully to the front or to the rear.
o
Stitch skipping or needle break-
age will result.
o
Poorly tensed stitches will result.
海外講習会用121122 LU-2810(-7)̲EM