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JUKI LH-1152-5 User Manual

JUKI LH-1152-5
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15.
THREAD
TENSION
Increase
iReduce
I
ncrease
Reduce
♦
Needle
thread
tension
Turn
thread
tension
nut
No.
2 ®
clockwise
to
increase
or
counterclockwise
to
reduce
the
needle
thread
tension.
Turn
thread
tension
nut
No.
1 ®
clockwise
to
increase
or
counterclockwise
to
reduce
the
length
of
the
thread
left
in
the
needle
after
thread
trimming.
•it
Bobbin
thread
tension
Turn
tension
adjusting screw ® clockwise to increase or
counterclockwise
to
reduce
the
bobbin
thread
tension.
17.
HAND
LIFTER
o
When
you
want
to
keep
the
presser
foot
in
the
lifted position,
turn
hand
lifter
®
in
the
direction
of
the
arrow.
By
so
doing
the
presser
foot
will rise
6
mm
(15/64")
and
stay
until
the
hand
lifter
is
lowered.
Operate
the
knee
lifter,
and
the
presser
foot
will
rise 10 mm
(25/64")
from
its
working
level.
19.
RELATION
BETWEEN
THE
MAIN
SHAFT
AND
THE
HOOK
DRIVING
SHAFT
Engraved
Needle
Throat
plate
Engraved
line
Relation
between
the
main
shaft
and
the
hook
driving
shaft
is
determined
by
the
timing
belt.
If
you
replace
or
remove
the
timing
belt
from
the
shaft
for
repair
or
adjustment
of
the
related
parts,
you
must
position
the
timing
belt
exactly
in
the
following
way;
1.
Set
the
stitch
dial
to
"0".
2.
Turn
the
handwheel
in
the
normal
direction
until
the
pointed
end
of
the
needle
had
come
down
to
the
level
of
the
throat
plate.
3.
Turn
the
hook
driving
shaft
in
the
normal
direction
until
the center of No. 1 setscrew
O.
of the hook driving shaft
thrust
collar
aligns
with
the
engraved
line
on
the
bed.
4.
Put
timing
belt
O
on
lower
sprocket
wheel
O
taking
care
not
to
move
the
hook
driving
shaft
and
the
main
shaft
from
the
above-mentioned
position.
16.
THREAD
TAKE-UP
SPRING
0
0
O
m
0
o
0
0
•k
When
you
want
to
change
the
stroke
of
the
spring:
1.
Stroke
of
take-up
spring
O
on
the
left
is
adjustable
by
moving
stopper
®
to
the
left
or
the
right
after
loosening
stopper
setscrew
@ .
2.
Stroke
of
take-up
spring
O
on
the
right
is
adjustable
by
moving
stopper
@ to
the
left
or
the
right
after
loosening
stopper
setscrew
® .
3. Move
the
stopper
to
the
right
to
increase
or
to
the
left
to
reduce
the
stroke
of
the
take-up
spring.
^ When
you
want
to
change
the
tension
of
the
spring:
1.
Tension
of
the
take-up
spring
on
the
left
is
adjustable
by
turning
stud
®
counterclockwise
to
increase
or
clockwise
to
reduce
after
loosening
nut
O .
2.
Tension
of
the
take-up
spring
on
the
right
is
adjustable
by
turning
spring guide ® clockwise
to
increase
or
counterclockwise to reduce
after
loosening setscrew
O.
18.
ADJUSTMENT
OF
THE
PRESSURE
OF
THE
PRESSER
9
Loosen
nut
Q
and
turn
presser
spring
regulator
O
clockwise
to
increase
or
counterclockwise
to
reduce
the
pressure
of
the
presser
foot.
Tighten
nut
0
after
the
adjustment.
When
sewing
general
fabrics,
adjust
the
height
of
the
head
of
the
presser
spring
regulator
to
28
to
30
mm
(1-7/64"
to
1-3/16")
The
height
is
equivalent
to
approx.
5 Kg.
20.
ADJUSTING
THE
FEED
TIMING
The
feed
eccentric
must
be
fixed
in
phase
with
the
hook
driving
shaft.
1.
Loosen
screws O
which
set
the
feed
eccentric
guide.
2.
Align
engraved
marker
spot
O
on
the
feed
eccentric
with
marker
spot
0
on
the
hook
driving
shaft.
(CAUTION)
When adjusting
the
feed
eccentric,
take
care
not
to
move
it
in
the
axial
direction.
Because
it
may
increase
the
load.
- 5 -
From the library of: Superior Sewing Machine & Supply LLC

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JUKI LH-1152-5 Specifications

General IconGeneral
BrandJUKI
ModelLH-1152-5
CategorySewing Machine
LanguageEnglish

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