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Fig.
18-19
Quick Change
of the
Presser Feet-
wi
thout
a
screwdriver.
For
all
ac
cess
ories, wh
ther
sta
nd
ard
or
extra,
rai se th
e
needle
bar
and
the
presser
bar.
T
urn
out the
wings
of
t
he
clampin
g
sc
rew
and loosen
it. Fa
sten
t
he f oot.
Tigh
ten
t he cla mping screw,
tu
rn
in th
e
wi
ng
s.
Fig. 20
N
.
B
. The darning f
oot
is fa stened fro
m
th
e
rear, th
e
lever of the
foot
pa
ssing behind
t
he
need le clamp stud.
Make sure
t
o
l ower t
he p
res
ser
fo
ot
leve
r
before
starting to darn
.
Threads
The
use
of
g
oo
d
qu
ali
t
y du
ll
or me
rce
riz
ed
threa
d is
prefera
ble.
A
dry
t
hread
be
com
es brittle.
It reg ains its
st
re,ngth
when placed near an open window
overn
ig
ht.
Fig. 21
For darn
ing,
use left twist thread (stronger)
.
C
hoic
e
of
T
hreads and Needles
Sel
ect the
th
read according to the kind of
work
and
material
used,
t
he needle according to the
thread:
Darn
ing, sewing or embroidery thread
according
t
o the fineness, durabil ity and the
ap
pearance
to
be
given
t
o
the
sewing work.
Threads
Needles
S ystem
Materials
I
I
Synthetic
705
Cotton
Silk
Fibres
I5X1
Sheer
120·100·
sewing
sewing
70
10
- - -
- - - - - -
Used (darning)
darning
darning darning
70
120-100·
10
-
-
-
- - -
Ordinary
100-60·
sewing
sewing
80
12
- - -
-
-
-
Medium and
80-40·
sewing
sewing
80-90
heavy weights
12-14
·Sizes may change depending on the country.
18
19
20
21
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