8.
THREAD
TENSION
(Fig.14)
)
1.
Adjusting
the needle thread tens
ion
1) Adjust
the
needle
thread
tension usi
ng
tensi
on
adjust
nut
<D
accord
i
ng
to
the
sew
ing
specifications.
2) As you turn
nut
CD
clockwise
(i
n direction A
).
the needle thread tension will increase.
3)
As
you
turn
nut
<D
counter
c
lockw
i
se
(i
n
direction B
),
th
e tension will decrease.
2.
Adjust
ing the bo
bbin
thread ten
si
on
1) As you turn tension adjust screw
(%)
clockwise
(in
direction C
),
the bobbin thread tension will
increase.
Fig.
14
2) As you turn screw
(bl
counterclockwise (in
L------------------1
Direction 0 ), the bobbin thread tension will
decrease.
9.
THREAD
TAKE-UP
SPRING
(Fig.15)
3) As you tu
rn
the knob counterclockwise (in
directi
on
B), the stroke will be decreased.
3.
Changing
the
pressure
of
thead
take-up
spring
CD
.
1) Loosen
set
screw
Q),
and remove thread
tension
eD
.
2) Loosen set screw® .
3)
As
you
turn
tens
ion
post
cl
ockwise
(in
Fig.
15
direction A
),
the pressure
wil~
be
increased.
4) As you turn the post counterclockwise (in
1. The width
of
take-up spring is
8-1
Omm
.
If
the . . .
· t ·
1
·
th
· t .
1
( h direction B
),
the pressure
Will
be decreased.
sewmg ma
ena
IS
m ma
ena
s
ort
needle
'
dth
) 1 I'
ht
th
t k . t . 4. Usus
ll
y, u
pon
the machi
ne
comi
ng
out, all
the
WI , p s
19
en e a e-up
spnng
ens1on . .
and
wide
the
sway
of
it. Otherwise,
pis
do
to
take-up spnng has been adjusted well, Only
oppos
iti
on
. while sew special material
or
special thread,
2. Changing the stroke
of
thread take-up spring it need
to
be adjusted again.
<D
.
1) Loosen set screw
Q)
.
2)
As
you
turn
tens
i
on
po
st
(]) cl
ockw
ise
(i
n
sirection A
),
the stroke
of
the thread take-up
spri
ng
will
be
increased.
- 2
1-
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