Operation Manual

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Trouble
shooting
Seam
puckers
Ca
ii
s
e
1 The
thread
tension
is
too
tight.
Rem
e
(t
y
Adjust
both
tensions
as
Instructed
On
pages
16 and
17
Needle
thread
breaks
Cause
1
Needle
not
threaded
correctly
2
Thread
tension
too
tight.
3
Something
is
wrong
with
the
needle
4
Thread
used
is
too
heavy
for
the
needle
5.
Needle
inserted
improperly.
6.
Sewing
foot,
shuttle
or
shuttle
race
may
be
damaged.
36
./
Remedy
Thread
the
needle
from
front
to
back
Turn
tension
dial
toward
0
somewhat.
Needle
may
be
blunt
or
bent
Insert
a
new
system
130/705
H
needle.
Use
needle
of
the
proper
size
as
indi
cated
in
the
Needle
and
Thread
Chart.
Push
the
needle
up
as
far
as
it
will
go,
making
sure
the
flat
side
of
its
shank
faces
toward
the
back.
Replace
the
damaged
part
or
send
it
in
for
repair.
8obbjn
thread
breaks
Cause
1
If
the
bobbin
thread
is
not
wound
correctly,
it
gets
entangled.
2
The
bobbin
thread
has
slipped
out
from
under
the tension
spring
Remedy.
Wind
the
thread
properly,
as
Instructed
on
page
10
Take
the
bobbin
Out
of
the
bobbin
case,
replace,
and
thread
the
bobbin
case
again.
37