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Mitsubishi LU2-410 User Manual

Mitsubishi LU2-410
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19.
ADJUSTMENT
OF
OUTER
AND
INNER
PRESSER
FEET
(1)
Operating
Height
Adjustment
When springy material is sewn
or
when
the
thickness
changes
greatly,
adjust
the
operating
height
of
presser
foot.
[Adjusting Procedure]
1) Loosen
the
special
bolt.
2)
Setting
the
crank
rod
special
bolt
at
upper
position
increases
the
operating
height
of
inner
and
outer
presser feet.
3)
Setting
the
bolt
at
lower
position
decreases
the
height.
4)
After
adjustment,
tighten
the
special
bolt.
The
height
of
presser
feet
is
adjustable
between
2
mm
and
6
mm.
(2)
Alternate
Up/Down
Strokes
The
best
feed
condition
can
be
obtained
by
changing
the
alternate
up/down
strokes of
outer
and
inner
presser
feet
depending
on
fabrics.
Example:
When
slippery
fabric
is
sewn,
reduce
vertical
stroke
of
outer
presser
foot
and
increase
that
of
inner
presser
foot.
This
prevents
slipping.
[Adjusting Procedure]
1)
Turn
the
balance
wheel
and
stop
it
when
the
take-up
lever
reaches
its
lowest
position.
Lower
the
presser
bar
lifter.
Loosen
the
screw
"A"
in
the
upper
feed
lifting
rock
shaft
crank.
Moving
the
crank
"B"
to
the
left
increases
the
vertical
stroke
of
inner
presser
foot
and decreases
that
of
outer
presser
foot.
Reversely, moving it
to
the
right
reduces
the
vertical
motion
of
inner
presser
and
increases
that
of
outer
presser.
After
adjustment,
securely
tighten
the
screw
"A".
(Vertical
stroke
of
inner
presser
foot
is
factory-set
at
2
mm
and
that
of
outer
at
3.2
mm.)
2)
3)
4)
5)
6)
(3)
Mounting
the
Eccentric
Ring
1)
Turn
the
balance
wheel
by
hand
to
bring
the
needle
bar
at
the
highest
position.
2) In
this
state,
locate
No. 1
screw
"C"
in
eccentric
ring as
shown
in
the
figure
and
tighten
it.
17
Upper feed lifting rock shaft crank
Special
bolt/O
Screw
"A
Lower
Arm
"B
Crank
rod
Uniform
Uniform
vertical
motion
(Higher)
Inner
presser
foot
Outer
presser
foot
Non-uniform
vertical
motion
(Lower)
Eccentric
ring
No.
1
screw
"O
No.
2
screw
Arm
"8'
\
b)—
Upper feed lifting
Crank
rodshaft
crank
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

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Mitsubishi LU2-410 Specifications

General IconGeneral
BrandMitsubishi
ModelLU2-410
CategorySewing Machine
LanguageEnglish

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