SINGER W12 User Manual
5 STITCH. Attachments
BOOK 12
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DIRECTIONS
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White Rotary Sewing ;
Machine
10 M 6-20
.
MANUFACTURE© BY
W'Mte Sewing Machine Company
Cleveland, Ohio, U. S. A.
Any needle offered for sale or use in
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,eOI.D SWAGESi
IT'OlMACHiNE/
iraVJVEEDLES/f
Fae-sTmife of genuine
Trade Mark Label,
trade mark registration on the outside label. Accept no other.
fit
fit
box, and the express or freight charges Prepaid.
per to write and mail us a letter upon the same day he sends the
machine, and inform us how, and by what line he ships; also.'write
full particulars as to the trouble with the machine, and give us the
Machines Returned to Us for Repairs
ShoGd have the name and address of the shipper inside of the
|n addition to putting the address in the box, we want the ship
White sewing machines, without the name
WHITE F.R. stamped on the shank is "bogus” .
Many of them will cause the machine to
skip stitches, break thread, injure your ma
chine, and invalidates the guarantee for free
repairs. ''Genuine White” needles have the
name “White F. R.” stamped on the
ahank. They are put up and sold only in
packages with notice of the United States
PLATE NUMBER, Found On Bed Under Bobbin Winder,
Close To Arm.
Be sure and give 'explicit directions how and where to return the
machine.
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INSTRUCTIONS
for using the
White Rotary Sewing Machine
Never run Machine with needle threaded without goods
under presser-foot. Run Machine so that upper side of hand
wheel moves from gou.
TO SET NEEDLE
Raise the needle-bar to its highest point; loosen the thumb
screw and press it to the left to permit the shank of the needle
to pass up between the clamp and needle-bar as far as it will go,
flat side to the right—the needle being flattened on one side so
it will set itself perfectly, then fasten securely by tightening
thumb-screw.
To avoid loosening of the needle, always use a screw driver
to fasten the same, the needle nut being slotted for that purpose.
The needle, when descending, should pass central in the
needle hole from front to rear, but close to the right side of the
hole, as it prevents the needle from glancing into the race and
being caught by the shuttle.
NEEDLES AND THREAD TO BE USED
The MOST IMPORTANT consideration is to buy and use perfect
needles—not bent, nor blunt points.
When ordering needles for this machine, be sure to ask for
the genuine White Rotary flat shank needles which are stamped
on the shank “White F. R.” Imitation or “just as good” needles
will cause trouble. Get the genuine White.
Cut of White Rotary flat shank needle
The size of the needle should conform to the size of the
thread and both be suitable to the material sewed. Use as fine a
needle as will permit the thread to pass freely through the eye.
The following index will show the size of needle, thread and
silk to be used.
For colored thread use needles one size larger than given
in index above.
showing exact length.
COTTON THREAD.
150 to 800
90 to ISO
70 to 90 0
50 to 70
SO to 50 C
20 to 30
SILK THREAD
000
00 0
A & Б
D
3
NO. OP NEEDLE
00
1
2
3
4
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FROM SHUTTLE
Eaise the take-up to its highest
point. With the thumb and sec
ond finger of left hand clasp bob
bin case as shown in cut, then lift
latch S with the third finger, when
bobbin case may be readily with
drawn from shuttle F. See page 5.
TO REMOVE SHUTTLE FROM SHUTTLE RACE
First remove the bobbin case. Turn the machine back on its
hinges, then, turn the machine in the same direction as in sewing
until the point of the needle just enters the needle plate hole;
push on rear end of latch G and at the same time pull shuttle
race cover away from shuttle and toward latch G from under pin
H; the shuttle can now be removed.
When shuttle has been removed from race be sure to clean
both and oil the race slightly before replacing. Occasionally oil
slightly in hole on race cap marked V above and pin W in
shuttle, see page 5, fig. 9.
4
TO REPLACE THE SHUTTLE
Turn the machine in direction for sewing until the point of the
needle just enters the needle plate hole: take the shuttle by the center
JV with the left hand and place it in the race, so that point of
pin
shuttle will be from you and over arrow on thread cast off, so that
the holes in the shuttle will drop on. to the driving pins in race, then
^ replace the shuttle race coven
I DO NOT FORCE the shuttle into race. It will enter readily
when in proper position
Should the machine at any time act badly in sewing or running
it would be well to remove shuttle and dean it and the race, which
is but a moments work.
To replace the bobbin case, it need not be held as when remov
ing. but simply slip it on the pin in shuttle, with the tension project
ing upward, and push it into shuttle as far as it will go, when the
spring latch will pass over and retain it in that position.
The thread should be allowed to project about one inch from
bobbin case tension.
TO WIND THE BOBBIN
Place spool oa spool pin, pass the thread dovn. through
the rear hole in axm of cover plate, then to the left under and
over the arm down through front hole. Put the end of thread
through hole U in bobbin from inside out, place bobbin on
bobbin winder spindle, raise winder so p
belt will drive it, loosen thumb screw in
Fig, 7 Bobbin hand wheel, run the machine as in sew
ing. holding on to the end of thread until winding is started'
then break off thread and finish winding.
LOWER TENSION
Fig. 8 represents the bobbin case. To regulate the lower
tension, t-urn the screw T to the right to tighten, and to me
left to loosen the same. Fig. 3 Bobbin Case
TO THREAD BOBBIN CASE TENSION
Place bobbin in case so that thread will come from bc^hin on
same side as hole B in. bobbin case: pass thread throusii slot A to
hole B thence across opening, drawing it down under h'P C then pull
it up until thread passes out under tension spring R-
. The tension on bob
bin case should be the
same as the upper ten
sion.
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Fif. 9 Shuttle
Fig. 10 Shuttle Race Cover
DIRECTIONS FOR THREADING
Place the spool on spool pin, take the thread in your left
hand holding it taut with the right during the whole threading
operation. Pass
thread from
spool over check
spring K at top
of face and down
under point L;
now pull thread
upward until it
passes through
the eye of spring
N and into notch
O, then into end
of t a k e-u p P,
then down
through slot R in
end of needle bar
and through eye
of needle from
left to right, al
lowing about 3"
of thread when
take-up is at its highest point.
To draw up the lower thread,
raise the presser-foot, take hold
of end of upper thread and turn
the hand-wheel once around,
(moving upper side of wheel from
you) which will draw the lower
thread up through needle hole.
Pass the ends of both threads
under the presser-foot and you
will be ready to sew.
Note.—Do not run the machine with
the presser-foot down on the feed withoat cloth under it. Do not pull cloth to
or from you in such a manner as to bend
needle.
THE TENSION
The illustration above represents the
Tension Regulator and Indicator for the
upper thread, an entirely new and useful
device. The half circle is marked with a
scale running from 1 to 8, with the word
Fig. IZ
"loose” at fig. 1 and "tight” at 8,1 being
the slack and 8 the tightest tension.
6
OIL PLACES AS INDICATED BELOW
V
The regulator is located at the right end of machine on the front side of arm,
TO SHORTEN stitch move the lever down. TO LENGTHEN stitch move lever up
No. 1 indicates the shortest, and No. 7 the longest stitch.
TO CHANGE THE LENGTH OF STITCH
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TO REGULATE THE TENSION
To loosen the tension, turn the thumbscre'W on the dial to the
left which will move the pointer toward figure 1. To tighten it, turn
to the right, moving the pointer toward No. 8. By this means the
same tension can always be duplicated, thus obviating the necessity
of experimental trials, as is the case with other machines. If a tight
tension is desired, both upper and under threads must necessarily be
tight. If the upper thread is tight and the lower thread loose, tiie
upper thread will be drawn to the top thus If the low
er thread is too tight, it will be drawn straight on the bottom of goods,
thus; ' When you desire the goods to look alike on
both sides, and be elastic, balance the tension thus;
3
The tension releaser is operated by the presser-bar lifter. By
means of it, all tension is taken off the upper thread when the
presser-foot is raised, and the work can be taken out without pulling
the thread down by hand.
PARTICULAR NOTICE—The tenshn cannot is regulated when the lifter is up
because the Releaser is operated by the presser-bar lifter,
THE TENSION RELEASER
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TO COMMENCE WORK
In threading^ the needle and bobbin case respectively, you
should leave an end of thread about two inches in length to each.
Hold the end of the upper thread loosely in the left hand, and
with the right hand gently revolve the hand-wheel until the
needle passes to its lowest point and returns, a loop will be
formed through which the shuttle will pass, and, as the needle
ascends it will draw up the lower or shuttle thread, and the
machine is ready for practical operation.
TO REMOVE VfORK
Stop the machine with the take-up at its highest point; raise
the presser-foot with the lifter which slackens the upper thread;
then take hold of your work with your left hand and pull it di
rectly from you, keeping the top thread in the slot of the presserfoot, which will prevent bending the needle. Now raise the work
and draw the threads into the thread cutter on the presser-bar
and pull downward, which will cut the threads the proper length
to commence work again.
EXPLANATION OF DIFFICULTIES THAT SOMETIMES
OCCUR WITH BEGINNERS
If the upper thread breaks, it may be caused by the needle
not being properly set, or the machine not threaded correctly, or
the upper tension too tight, or the thread uneven and the needle
too small for it, or the needle eye too sharp, or the presser-foot
attached to the machine so that the needle rubs it in passing.
If the under thread breaks, it may be caused by the bobbin
case being improperly threaded, or too much tension upon it, or
by the bobbin being wound too full so that the thread slips over
the ends of the bobbin in the bobbin case.
If the needle breaks, it is more than likely your owii fault
caused by pulling the goods to or from you in such a manner that
the needle strikes the throat plate and is bound to break. The
needle may, however, break in trying to sew extraordinary heavy
seams when the pressure on the presser-foot is not heavy enough.
To create more pressure upon the' goods turn the presserbar nut on top of the presser-bar to the right; to decrease the
pressure turn it to the left.
If it makes loop stitches, it is most sure to be caused by too
loose tension both top and bottom.
If the machine skips stitches, the needle is either bent or not
in right position.
If the stitches are not even, it may be caused by the presserfoot not resting evenly upon the fabric sewed, or by the feed not
being high enough, or by the stitch being too short, or Dy pulling
the cloth or by using too fine a needle with too coarse or uneven
thread.
If the machine should be run without sewing and thread get
in the shuttle race making the machine run heavy, take out
bobbin case and run the machine in the wrong direction; it will
cut the thread out.
Notice.—The leather band should always be tight enough not to slip. If it
slips, or does not force the needle through thick goods, cut off a very short piece
and re-adjust the ends. The belt should not be so tight as to prevent an easy
motion of the machine.
8
DIRECTIONS FOR USING THE ATTACHMENTS
I'M
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Hemming
Eaise the take-up to its highest point, remove the presserfoot and in its place attach the hemmer. Trim the edge of cloth
on a curve and insert in hemmer far enough to permit the needle
to enter the cloth at its extreme edge (See Fig. 2 above), then
proceed to sew, keeping the edge turned as it feeds through.
Felling
The hemmer is also the feller. Sew together two pieces of
cloth with the under edge projecting between % and inch
beyond the upper edge y then trim the edges if necessary and
open the work flat wrong side up, and fold the wider edge,
toward the left, over the narrow edge, and then pass the folded
edge into the feller the same as in ordinary hemming.
Illustration above represents an operator in the act of com
pleting a fell.
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