– 23 –
Adjustment procedures
Results of Improper adjustment
1. Set the stitch dial to “6”.
2. Loosen two setscrews
1
of the feed adjusting eccentric pin.
3. Turn feed adjusting eccentric pin
2
to adjust the stitch length.
o
Direction A
→
Reverse feed pitch is increased.
o
Direction B
→
Normal feed pitch is increased.
4. After the adjustment, securely tighten two setscrews
1
of the
feed
adjusting eccentric pin.
(Standard) When the direction of notched part of the feed
adjusting eccentric pin
2
is set to just above as
shown in the illustration, the feed amounts of nor-
mal and reverse feeds are nearly the same.
o
Respective stitch lengths of
normal and reverse feeds do not
match.
Adjustment procedures
Results of Improper adjustment
o
In case of LU-2810-7
1. Set the stitch dial to the maximum.
2. Loosen clamping screw
1
of the reverse feed connecting arm.
3. Adjust so that a play of top end
A
of the reverse feed control
lever
2
is 1 ± 0.5 mm. Then tighten clamping screw
1
of the
reverse feed connecting arm.
o
In case of LU-2810
1. Set the stitch dial to the maximum.
2. Loosen clamping screw
3
of the feed adjusting pin support
arm.
3. Turn the reverse feed lever shaft
5
to adjust so that a clear-
ance between the reverse feed lever plate
4
and the stopper
part
B
of machine arm is 0.1 to 0.5 mm. Then tighten clamping
screw
3
of the feed adjusting pin support arm.
(Caution) Check that the reverse feed control lever
2
does not
interfere with the machine bed or machine arm when
the stitch dial is set to the maximum.
When the position of the reverse
feed control lever
2
is low :
o
Reverse feed lever plate
4
interferes with the machine
arm and the stitch length of the
reverse feed stitching will be
decreased.
When the position of the reverse
feed control lever
2
is high :
o
Reverse feed lever plate
4
in-
terferes with the stopper part
B
of machine arm, or reverse feed
control lever
2
interferes with
machine arm, and stitch length
of the normal feed stitching will
be decreased.
海外講習会用121122 LU-2810(-7)̲EM
Summary of Contents for LU-2810 Series
Page 57: ... 45 1 1 1 1 1 2 NEEDLE BAR COMPONENTS 海外講習会用121122 LU 2810 7 EM ...
Page 58: ... 46 1 1 3 HOOK OPENNER COMPONENTS 海外講習会用121122 LU 2810 7 EM ...
Page 64: ... 52 1 1 1 1 1 1 1 11 THREAD TRIMMING COMPONENTS FOR LU 2810 7 海外講習会用121122 LU 2810 7 EM ...
Page 65: ... 53 3 3 3 3 2 2 12 THREAD TENSION COMPONENTS 海外講習会用121122 LU 2810 7 EM ...
Page 66: ... 54 3 2 2 3 2 2 13 TENSION RELEASE COMPONENTS FOR LU 2810 7 海外講習会用121122 LU 2810 7 EM ...
Page 67: ... 55 3 3 3 3 14 BOBBIN WINDER COMPONENTS 海外講習会用121122 LU 2810 7 EM ...
Page 83: ...海外講習会用121122 LU 2810 7 EM ...
