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Singer class 251 - Relative Sizes of Needles and Thread; Setting the Needle Correctly

Singer class 251
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From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
8
RELATIVE
SIZES
OF
NEEDLES
AND
THREAD
The
following
sizes
of
needles
and
thread
are
recommended
ac-
cording
to
the
class
of
work:
SIZES
SIZES
OF
OF
CLASSES OF
WORK
COTTON,
LINEN
NEEDLES
OR SILK
Shirtings,
Sheetings,
Calicoes,
Muslins,
60
to
80
Cotton
14
Silks, Dress
Goods
and
all
classes
of
A
and
B Silk
general
work.
---
--
-·---------------
16 All
kinds
of
heavy
Calicoes,
light
40
to
60
Cotton
and
Woolen
Goods,
heavy
Silk,
Seaming,
C Silk
17
Stitching,
etc.
-
------------
---------
Tickings,
Upholstery,
Woolen
Goods,
30
to
40
Cotton
18
Trousers,
Boys'
Clothing,
Cloaks,
etc.
D Silk
Heavy
Woolens,
Tickings,
Bags,
Heavy
20
to 30
Cotton
19
Coats,
Trousers,
Heavy
Clothing
gen
er-
E Silk
ally.
--------
----
21
Bags,
Coarse
Cloths
and
Heavy
Goods.
TO
SET
THE
NEEDLE
Turn
the
machine
pulley
over
toward
the
operator
until
the
needle
bar
moves
to
its
highest
point.
After
loosening
needle
set
screw,
insert
needle
UP
into
needle
bar
AS
FAR
AS
IT
WILL
GO,
as
instructed
in Fig. 7.
NOTE:
The
needle
is
held
in
place,
in
Machines
251-2
and
251-3,
by
means
of
a
needle
clamp
instead
of
by
means
of
the
set
screw
in
the
needle
bar
as
in
Machine
251-1,
illustrated
in
Fig.
7.
The
single
continuous
groove
of
the
needle
MUST
face
the
left
end
of
the
machine,
as
shown
in
Fig
7.
----
~
60
to 80 Linen
16
to
20
Cotton
40
to
60
Linen
MOVE
TO
~HIGHEST
POINT
(f_~
----
LOOSEN
SCREW
·~
INSERT
NEEDLE
UP
AS
FAR
AS
POSSIBLE
Securely
tighten
needle
set
screw.
Fig. 7. Setting the
Needle
(Machine
25
I•
I)
9
UPPER
THREADING
NOTE:
The
take-up
lever
oil
guard
should
NOT
be
removed
when
threading
the
machine.
It
is
removed
in
Fig.
8
only
to
show
the
entire
path
of
the
needle
thread.
Pass
the
needle
thread
from
the
unwinder
through
the
threading
points
in
the
order
shown
in
Figs.
8
and
9.
0
Fig. 8.
Upper
Threading
Fig. 9.
Threading
the
Needle
Draw
about
two
inches
of
thread
through
the
eye
of
the
needle
with
which
to
commence
sewing.

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