Singer One Instruction Manual 2 - Page 28

regulating

Page 28 highlights

26 To Regulate the Tensions The tension on the needle thread should only be regulated when the presser foot is down. Having lowered the presser foot, turn the small thumb nut (A, Fig. 15, page 17) at the front of the tension discs over to the right to increase the tension. To decrease the tension, turn the thumb nut over to the left. The tension on the bobbin thread is regulated by the larger screw (A, Fig. 18, page 20) which is nearest the back in the bobbin case tension spring. To increase the tension, turn the screw over toward you. To decrease the tension, turn the screw over from you. When the tension on the bobbin thread has been once properly adjusted it is seldom necessary to change it, as a correct stitch can usually be obtained by varying the tension on the needle thread. To Turn a Corner Stop the machine with the needle at its lowest point. Raise the presser foot and turn the work as desired, using the needle as a pivot. To Regulate the Length of Stitch The length of the stitch is regulated by the feed regulating disc (D, Fig. 17, page 19) located on the bed of the machine, at the right. This disc is marked with arbitrary numbers, ranging from 6 to 30, which indicate the various lengths of stitches that the machine will make, No. 6 being the longest stitch and No. 30 the shortest stitch (The numerals do not denote the number of stitches to the inch). The length of stitch that the machine is ready to make is indicated by the number nearest the arrow marked on the cloth plate of the machine.

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26
To
Regulate
the
Tensions
The
tension
on
the
needle
thread
should
only
be
regulated
when
the
presser
foot
is
down.
Having
lowered
the
presser
foot,
turn
the
small
thumb
nut
(A,
Fig.
15,
page
17)
at
the
front
of
the
tension
discs
over
to
the
right
to
increase
the
tension.
To
decrease
the
tension,
turn
the
thumb
nut
over
to
the
left.
The
tension
on
the
bobbin
thread
is
regulated
by
the
larger
screw
(A,
Fig.
18,
page
20)
which
is
nearest
the
back
in
the
bobbin
case
tension
spring.
To
increase
the
tension,
turn
the
screw
over
toward
you.
To
decrease
the
tension,
turn
the
screw
over
from
you.
When
the
tension
on
the
bobbin
thread
has
been
once
properly
adjusted
it
is
seldom
necessary
to
change
it,
as
a
correct
stitch
can
usually
be
obtained
by
varying
the
tension
on
the
needle
thread.
To
Turn
a
Corner
Stop
the
machine
with
the
needle
at
its
lowest
point.
Raise
the
presser
foot
and
turn
the
work
as
desired,
using
the
needle
as
a
pivot.
To
Regulate
the
Length
of
Stitch
The
length
of
the
stitch
is
regulated
by
the
feed
regulating
disc
(D,
Fig.
17,
page
19)
located
on
the
bed
of
the
machine,
at
the
right.
This
disc
is
marked
with
arbitrary
numbers,
ranging
from
6
to
30,
which
indicate
the
various
lengths
of
stitches
that
the
machine
will
make,
No.
6
being
the
longest
stitch
and
No.
30
the
shortest
stitch
(The
numerals
do
not
denote
the
number
of
stitches
to
the
inch).
The
length
of
stitch
that
the
machine
is
ready
to
make
is
indicated
by
the
number
nearest
the
arrow
marked
on
the
cloth
plate
of
the
machine.