Operation Manual

Sewing
faults
and
their
removal
Fault/cause:
1.
The
machine
skips
stitches
Needle
is
not
properly
inserted.
Wrong
is
bent
or
blunt.
Machine
is
not
properly
threail4
S
Needle
is
too
small
for
threait
2.
Needle
thread
breaks
See
reasui
is
,ibt
iv
Thread
teiisittii
it
lsjl
1.
Thread
i;
ptilti
ii li,c
UnIts
in
tier
has
bt’ctiiie
tlpy
iI5’i
liii)
Ittii(J
storage.
Tlin,itl
3.
Needle
breaks
off
Needle
is not
pushed
fully
in.
Needle
is bent.
Needle
is
too
thick
or too
thin.
Needle
is
bent,
and
has
hit
the
needle
plate
because
you
are
pulling
or
pushing
the
fabric.
The
bobbin
case
is
not
properly
inserted
4.
Seam
is
sewn
unevenly
The
teie,ioi
i
i
ei’tls
eljistiiig.
Thied
is
too
thick,
slubbecl
or
hard.
The
bobbin
thread
is
unevenly
wound.
Thread
bunching
at
top
or
bottom
side
of
fabric.
5.
Machine
does
not
feed
or
feeds
irregularly
Sewing
lii
it
ls
collected
between
the
feed
dog
teeth
rows
Feed
dog
is
lowered,
slide
B (see
page
29
is
at
right).
ltitlt
utIle
hilly
titiwirds,
flat
side
facing
the
luii.k.
Its’
nettle
systeni
1
30/705
H.
Ii
ist
ri
a
new
needle.
Use
a
larger
needle.
See
1.
Adjust
thread
tension.
Only
use
good
threads.
Use
needle
with
large
eye
(System
1
30
N).
Insert
new
needle
and
push
fully
in.
Insert
new
needle.
See
i
eecl
le
chart
(pi
gi
1
06).
Let
the
machine
feet
the
fabric.
Only
guide
the
fabric
lightly.
VV[ieii
you
insert
the
bobbin
case,
push
it
fully
in
tolie
stop.
Check
top
arid
bottom
tensions.
Only
use
perfect
threads.
Do
not
wind
thread
tree—bred,
but
run
it
on
through
the
winding
tension.
Thrercl
up
correctly
Check
needle-
and
bobbin
thread
tensions.
S
Remedy:
I
I
I
I
S
S
I
I
S
I
I
I
I
I
I
S
Remove
needle
plate,
remove
lint
with
brush.
Push
slide
B(see
page
29)
to
left
I
&
S
I
S
I
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I
I
I
I