Singer 1 One Instruction Manual 38 - Page 21

Basic, Stitch, Types, Adjust, Thread, Tension

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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. N Stitch • WIDE 3 THREAD OVERLOCK STITCH * When the right needle is removed a wide 5.7mm (7/32 inch) three-thread stitch is sewn. • 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 (9/32inch). - The right needle stitch width can be increased from 3.5mm (9/64inch) to 5.0mm (13/64inch). 14. HOW TO ADJUST THREAD TENSION * The thread tension dials on this machine are a oneturn 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 otherwise 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. 5.7mm (7/32") I 2 5.7mm (7/32") C 3.5mm (9/64") 1 2 2 3 3 Current Setting is 114. Adjustment would be to 1 or 2 for 1/2 turn adjustment. 19

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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
OVERLOCK
STITCH
*
When
the
right
needle
is
removed
a
wide
5.7mm
(7/32
inch)
three
-thread
stitch
is
sewn.
•
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
(9/32inch).
—
The
right
needle
stitch
width
can
be
in-
creased
from
3.5mm
(9/64inch)
to
5.0mm
(13/64inch).
14.
HOW
TO
ADJUST
THREAD
TENSION
*
The
thread
tension
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.
N
I
C
Stitch
5.7mm
(7/32")
2
5.7mm
(7/32")
3.5mm
(9/64")
1
2
3
2
3
Current
Setting
is
1
1
4.
Adjustment
would
be
to
1
or
2
for
1
/
2
turn
adjustment.
19