Operation Manual

13.
BASIC
STITCH
TYPES
•
4
THREAD
OVERLOCK
MOCK
SAFETY
STITCH
*
This
machine
is
a
four-thread
overlock
that
uses
two
needles
and
two
loopers
to
create
a
5.7mm
(7/32
inch)
wide
four-thread
mock
safety
stitch.
•
WIDE
3
THREAD
OVER
LOCK
STITCH
*
When
the
right
needle
is
removed
a
wide
5.7mm
(7/32
inch)
three-thread
stitch
is
sewn.
4
114.
I
*1
.4
S
•
NARROW
3
THREAD
OVERLOCK
STITCH
*
When
the
left
needle
is
removed
a
narrow
3.5mm
(9/64
inch)
wide
three-thread
stitch
is
sewn.
Note:
The
stitch
width
can
be
increased
by
adjust
ing
the
knife
(page
25).
—
The
left
needle
stitch
width
can
be
in
creased
from
5.7mm
(7/32inch)
to
7.2mm
(9/3
2inch),
—
The
right
needle
stitch
width
can
be
in
creased
from
3.5mm
(9/64inch)
to
5.0mm
(1
3/64inch).
HOW
TO
ADJUST
THREAD
TENSION
*
The
thread
tensiod
dials
on
this
machine
are
a
one-
turn
system.
*
As
the
number
increases
on
the
dial
the
thread
tension
becomes
tighter.
0
=
lowest
tension
9
=
highest
tension
*
Be
sure
the
machine
is
correctly
threaded
other
wise
proper
thread
tension
cannot
be
obtained.
*
When
making
adjustments
to
balance
the
tensions,
it
is
recommended
that
1)
Adjustments
be
made
in
no
greater
than
half
a
number
at
a
time.
2)
Sew
a
test
sample
after
each
adjustment.
19
Current
Setting
is 1’.
Adjustment
would
be
to
1
or 2
for
Y 2
turn adjustment.