Singer 127-3 & 128-3 Manuale utente
127-3 & 128-3
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INSTRUCTION MANUAL
with VIBRATING SHUTTLE
Copyright, U. S. A., 1915, 1923, 1929, 1932, 1935
and 1940, by The Singer Manufacturing Company
All Rights Reserved for all Countries
*A Trade Mark of
THE SINGER MANUFACTURING CO.
*
127-3 & 128-3
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Main Parts
Instructions for
Operating the Machines
To Remove the Shuttle
To Wind the Bobbin
To Thread the Shuttle
To Replace the Shuttle
To set the Needle
To Thread the Needle
To Prepare for Sewing
To Commence Sewing
To Remove the Work
Tensions
To Regulate the Tensions
To Turn a Corner
To Regulate the Length of Stitch
To Regulate the Pressure on the Material
To Sew Flannel or Bias Seams
AStitch to Ravel Easily
Hints
The Belt
Machine Working Heavily
To Avoid Breaking Needles
Breaking Needle Thread
Breaking of Bobbin Thread
Skipping of Stitches
To Oil the Machine
Instructions for
Using the Attachments
Foot Hemmer -- Hemming
-- Hemming and
Sewing on Lace
-- Felling
Adjustable Hemmer
-- Hemming Wide Hemming
Binder -- Binding
Tucker
Ruffler
To Attach the Ruffler to the Machine
To Adjust the Ruffler for Gathering
To Make a Ruffle and Sew it
to a Gament in One Operation
Piping a Ruffle
To Adjust the Ruffler for Plaiting
To Adjust the Ruffler for Group
Plaiting and Gathering
To Oil the Ruffler
Relative Sizes of Needles and Thread
Table of Contents
127-3 & 128-3
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3
Main Parts
TO ALL WHOM IT MAY CONCERN:
The improper placing or renewal of the TradeMark "SINGER" or any
other of the Trade Marks of The Singer Manufacturing Company (all of
which are duly Registered Trade Marks) on any machine that has been
repaired, rebuilt, reconditioned, or altered in any way whatsoever outside
a SINGER factory or an authorized SINGER agency is forbidden.
127-3 & 128-3
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4
Instructions for Operating the Machines
Raise the presser foot (B, Fig. 3) by means of
the presser bar lifter (C, Fig 3) to prevent
injury to the foot (B, Fig. 3) and feed (A, Fig.
3).
FIG 3. FRONT VIEW OF THE MACHINE
It is necessary to understand the stop motion
(E, Fig. 3) by which the balance wheel (D,
Fig. 3) can be released when required, thus
enabling the operator to become proficient in
the use of the treadle and permitting the
winding of bobbins without running the stitch-
ing mechanism. It also allows the operator to
wind bobbins without removing partially sewn
work and without unthreading the machine.
To release the balance wheel (D, Fig. 3), turn
the stop motion screw (E, Fig. 3) over toward
you. It will be necessary to hold the balance
wheel while loosening the stop motion screw.
After releasing the balance wheel, place your
feet upon the treadle and with the right hand
turn the balance wheel over toward you. This
will start the band wheel, treadle and pitman,
the sewing mechanism having been discon-
nected.
Continue the motion thus begun by an alter-
nate pressure of heel and toe, until a regular
and easy movement is acquired, and the bal-
ance wheel kept in continuous rotation by use
of the feet alone.
When you are thoroughly familiar with the
treadle movement and can restart the
machine without turning the balance wheel in
the wrong direction, tighten the stop motion
screw to connect the balance wheel with the
stitching mechanism.
Place a piece of cloth under the presser foot,
let the foot down upon it, and operate the
machine in this way without being threaded,
until you have become accustomed to guiding
the material.
127-3 & 128-3
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To Ensure Perfect Action of the Machine
The balance wheel must always turn over
toward the operator.
Do not run the machine with the presser foot
resting on the feed without cloth under the
presser foot.
Do not run the machine when both shuttle
and needle are threaded unless there is
material under the presser foot.
Do not try to help the machine by pulling the
fabric lest you bend the needle. The machine
feeds the work without assistance.
Both slides over the shuttle should be kept
closed when the machine is in operation.
To Remove the Shuttle
Draw toward you the front slide in the bed of
the machine and turn the balance wheel over
toward you until the shuttle comes full under
the opening. Press the forefinger of the right
hand upon the shuttle ejector as shown in
Fig. 4, this will raise the shuttle so that it can
be easily taken out. Turn the open end of the
shuttle downward and the bobbin will drop
out.
FIG. 4. REMOVING THE SHUTTLE
127-3 & 128-3
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6
To Wind the Bobbin
Release the balance wheel (D, Fig. 3) by
turning the stop motion screw (E, Fig. 3) over
toward you.
Draw to the left the knob (A, Fig. 6, page 7)
and place the bobbin between the cups (B
and C, Fig. 6), then release the knob. Push
the bobbin winder pulley (D, Fig. 6) against
the hub of the balance wheel, and turn the
balance wheel until the thread guide (4, Fig.
6) moves to the extreme right. Put the spool
of thread on the spool pin (1, Fig. 5). Pass
the end of the thread into the thread guide (2,
Fig. 5) at the top of the face plate, then up
into the lower eyelet (3, Fig. 6) of the bobbin
winder thread guide, into the notch (4, Fig. 6).
With the thumb and forefinger of the left hand
press the bobbin lightly to the left and place
the end of the thread between the bobbin and
the cup (C, Fig. 6) at the right. Then operate
the machine the same as for sewing. When
the bobbin is filled, remove it from the bobbin
winder, pull the bobbin winder away from the
hub of the balance wheel and turn the stop
motion screw over from you to connect the
stitching mechanism.
Fig. 5. MACHINE THREADED FOR
WINDING THE BOBBIN
FIG. 6 WINDING THE BOBBIN
127-3 & 128-3
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To Thread the Shuttle
Hold the shuttle between the thumb and fin-
gers of the left hand as shown in Fig. 7.
Place the bobbin into the shuttle with the
thread drawing toward the right from the side
of the bobbin nearest you, as shown in Fig. 7.
Place the forefinger of the left hand on the
end of the bobbin and draw the thread down-
ward into the long slot in the shuttle as far as
it will go, as shown in Fig. 8.
Then draw the thread straight upward and
under the tension spring as shown in Fig. 9,
until the bobbin begins to unwind. FIG. 7
FIG. 8 FIG. 9
127-3 & 128-3
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8
To Replace the Shuttle
After threading, take the shuttle in the right
hand with the point toward you and the ten-
sion adjusting screw (1, Fig. 7, page 8)
upwards. Put the point of the shuttle into the
front end of the shuttle carrier as shown in
Fig. 10, and drop the shuttle into place, leav-
ing a loose end of thread about three inches
long above the slide. When closing the slide,
leave just enough space for the thread to
pass through.
FIG. 10. REPLACING THE SHUTTLE
To Set the Needle
Turn the balance wheel over toward you until
the needle bar (E, Fig. 5) moves up to its
highest point, loosen the thumb screw (C,
Fig. 5) in the needle clamp (B, Fig. 5) and put
the needle up into the clamp as far as it will
go, with its flat side toward the right, then
tighten the thumb screw. To select the correct
needle. ??REFERENCE??
127-3 & 128-3
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9
FIG. 11. THREADING THE NEEDLE
To Thread the Needle
SEE FIG. 11
Turn the balance wheel over toward you until
the thread take-up lever (4) is raised to its
highest point. Place the spool of thread on
the spool pin at the top of the machine, lead
the thread into the thread guide (1) at the top
of the face plate, down under and from right
to left between the tension discs (2), into the
small wire spring (3) at the left of the tension
discs, up and from front to back through the
hole in the end of the thread take-up lever
(4), down into the eyelet (5) in front of the
face plate, into the lower wire guide (6) then
from left to right through the eye of the nee-
dle (7).
Draw about two inches of thread through the
eye of the needle with which to commence
sewing.
127-3 & 128-3
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10
To Prepare for Sewing
With the left hand hold the end of the needle
thread, leaving it slack from the hand to the
needle. Turn the balance wheel over toward
you until the needle moves down and up
again to its highest point thus catching the
bobbin thread, draw up the needle thread and
the bobbin thread will come up with it through
the hole in the throat plate (see Fig. 12) Lay
both threads back under the presser foot and
close the slides.
FIG. 12. DRAWING UP THE BOBBIN THREAD
To Commence Sewing
Place the material beneath the presser foot,
lower the presser foot and commence to sew,
turning the balance wheel over toward you.
Remove the Work
Let the thread take-up lever rest at its highest
point, raise the presser foot and draw the fab-
ric back and to the left, pass the threads over
the thread cutter (A, Fig. 12) and pull down
lightly to sever them. Leave the ends of the
threads under the presser foot.
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2
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