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GUIDE BOOK ON USE AMD CARE OF YOUR
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ZIGZAG
S EW I NG MA C HI N E
M OD E L 2 13 7
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Congratulations on your choice of a zigzag sewing machine. With this
versatile White de luxe machine it is possible to progress from the simplest
sewing performance to many kinds of artistic needlework. All that is required
is a thorough understanding of its functions and familiarity with its operation.
This book was written to aid you in obtaining the greatest achievement
from your new White zigzag. Read the instructions carefully and keep them
for ready reference as you change from one type of work to another. Your
reward will be many hours of trouble-free sewing, resulting in clothes and
furnishings for your home that reflect your own personality.
Time-saving attachments such as rufflers, binders, edgestitchers and cording
feet, to complement the accessories furnished with your machine, are available
from franchised dealers and department stores.
WHITE SEWING MACHINE CORPORATION
CLEVELAND 11, OHIO
White Sewing Machine Products Ltd.
Toronto 16, Ontario, Canada
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INDEX
Page
Features and Parts ................................................... 2-5
Needle and Thread Chart
...........................................
Setting the Needle....................................................... 7
Winding the Bobbin
...............................................
2-8
Threading the Bobbin Case ........................................ 8
Placing Bobbin Case in Shuttle
.................................
How to Thread the Machine ............................... 10-11
Single Needle.................................................................... 10-11
Twin Needles ......................................................................... 11-
Straight Stitching................................................. 12-13
Changing Foot and Plate
Setting Stitch Width at 0
Setting the Stitch Length ....................................................... 13
........................................................
.......................................................
Stitch Length Chart ...................................................13
Sewing in Reverse.....................................................Id-
Adjusting the Tensions........................................ 14-15
Adjusting the Pressure and Feed
General Sewing ...................................................................... 15
Light Weight Fabrics...............................................................15
Darning and Monogramming
.......................
................................................
15-16
Preparing to Sew................................................ 16-17
Removing the Work ..................................................17
6
9
12
13
16
Page
Zigzag Stitching
Creative Embroidery
.......................................................
.................................................
18
19
Sample Embroidery Patterns .............................. 20-21
Twin Needle Embroidery.................................... 21-22
Embroidering with a Hoop
Making Buttonholes
Sewing on Buttons
Hemming with the Zigzag Stitch
........................................
...........................................
.............................................
.............................
23
23-25
25-26
27
How to Use Accessories ..................................... 28-30
Narrow Hemmer .....................................................................28
Lace Trimmed Hem
French Seam............................................................................29
Flat Felled Seam......................................................................29
Hand Rolled Effect .................................................................29
Quilting Guide..................................................................... ...29
Seam Gauge ............................................................................30
...............................................................
Care and Maintenance ...................................... 30-33
Oiling ......................................................................................50
Replacing Light Bulb..............................................................32
Changing the Belt ............................................................ 32-33
Cleaning and Oiling the Shuttle
.........................
33-34
Check Up tor Smooth Sewing ............................ 35-36
28
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FEATURES AND PARTS
(Front View)
1. Spool Pins
2. Hand Wheel
3. Wheel Clutch
4. Bobbin Winder
5. Stitch Width Indicator
6. Stitch Width Locks
7. Stitch Width Lever
8. Stitch Length Dial
9. Reverse Stitch Button
10. Stitch Length Indicator
11. Bobbin Winding Tension
12. Drop Feed Knob
13. Bed
14. Needle Plate
..........
Seam Guide
15. Hinged Cover Plate
16. Presser Foot Zigzag
17. Foot and Attachment Screw
18. Needle Clamp
19. Needle Bar Thread Guide
20. Face Plate Thread Guide
21. Tension Regulator
22. Face Plate
23. Arm Thread Guide
24. Take-up Lever
25. Pressure Release -- Darner
26. Built-in Handle
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г
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Presser Bar Lifter
27.
Thread Cutter
28.
Feed
29.
Light Housing
30
Light Bulb Button
31.
FEATURES AND PARTS
Back View,^
32.
33.
34.
35.
Light Switch
Motor
Pulley-
Belt
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*
H
NEEDLE - THREAD - FABRIC - STITCHING GUIDE
Needle Stitches Cotton Mercerized
Fabric
Extremely heavy
tarpaulin, sacking.
canvas, duck, etc.
Heavy upholstery
fabric, ticking.
denim, leatherette
Medium heavy drapery
fabric, velveteen.
suiting, felt, terry, etc.
Medium broadcloth, percale.
gingham, linen, chintz, taffeta.
sheer wool, shantung, etc.
Sheer voile, lawn.
dimity, crepe.
handkerchief linen.
plastic film, etc. ¡Plastic
Very sheer chiffon.
batiste, lace, organdy. 00
ninon, net, marquisette, etc. 20 150
When doing embroidery work, finer
embroidery thread regardless of the
No. Per Inch
4 to to
3 to to
2 to to Heavy Duty
1 to
0 to to 50
Machine
Thread
6
8 30
8
10 40
10 40
12 60
12 60
14 80
14 80
16
8 to 10
16
to
results will be obtained with machine
weight of fabric.
10
30
to 50
100
film:
100
to 50
Thread
Heavy Duty
Heavy Duty
Silk
or
Nylon
A
A
A
C
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C.
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SETTING THE NEEDLE
See Fig. 3. Raise the needle bar A to its highest point, turn
ing wheel toward you by hand. Then loosen the needle clamp
screw B and the needle clamp C will open. Place needle 'flat
side to back in the needle clamp and push it upward as far
as it will go into the needle clamp hole, fastening the needle
clamp securely with a screw driver.
WINDING THE BOBBIN
Disengage the hand wheel i Fig. 4./ from the stitching
mechanism by turning the clutch toward you or counterclock
wise. Place a spool of thread on one of the spool pins, lead
thread under the handle and through the upper thread guide
on the arm, and down through the tension disc (11, Fig. 5) at
the base of the machine. Run end of thread through a hole in
the bobbin edge and place bobbin on spindle B of winder
4, fitting the notch on bobbin over small pin on spindle. Push
Fig. 4
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Refer to Figs. 6,
Fig. 6
bobbin winder pulley against hand wheel. Hold
thread end loosely and start machine slowly. Bob
bin will be released automatically when it is filled.
Break off loose thread end used to start the winding.
Turn clutch away from you until sewing mech
anism is again engaged so that needle moves when
you turn the hand wheel.
If the bobbin winds unevenly, adjust bobbin
winding tension disc to the right or left by loosen
ing the screw. When disc is in proper position,
tighten screw.
THREADING THE BOBBIN CASE
7 and 8 to familiarize yourself with the procedure. Hold the bobbin
case in your left hand. Let about
two inches of thread hang free from
the bobbin, and insert bobbin into
case so that thread will be rotating
counterclockwise. Guide the thread
end through the slot on the side
of the case and under the tension
spring until it enters the small notch
on the edge of the spring.
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PLACING BOBBIN CASE IN SHUTTLE
Open hinged cover plate in front of the needle. See
15, Fig. 1 . Hold the bobbin case latch, D , Fig. 9,
between the thumb and forefinger of the left hand, with
at least three inches of thread running from the top of
the bobbin case to the right. Insert and center the
bobbin case on the stud of the shuttle body, vC . Be
Fig. 9
sure the bobbin case finger, E , is opposite shuttle
race notch, (A; . Press the bobbin case into the shuttle as far as possible until latch
catches on the center post o( shuttle, THEN release the bobbin case latch, D; . Press
bobbin case again alter latch has been released to make sure the bobbin case is looked
securely in place. Close the cover plate.
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HOW TO THREAD THE MACHINE
Single Needle, Fig. 10}
Turn hand wheel toward you to raise take-up lever
to highest position.
1. Place a spool of thread on spool pin A,
2. lead thread through eyelet in arm thread
guide B,
3. pass the thread down and around tension discs
C from right to left
4. into check spring D
5. then tug on thread to pull it around and into
hook E Fig. 11}
6. lead up to take-up lever F, threading from right
to left,
7. down into thread guide G
8. into needle bar guide H
9. and through needle I from front to back.
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Pull about four inches of thread through needle. Hold thread end and turn hand
wheel toward you. As the needle goes down and comes up again, the bobbin thread
will be drawn up in a loop see Fig, 11 . Grasp both threads and pass under presser
foot toward back of machine.
THREADING TWIN NEEDLES
See Fig. 3 for inserting needles
Follow above procedure with these exceptions :
Place thread, matching or contrasting in color, on both spool
pins. Draw threads through separate eyelets in upper arm tnread
guide B). Pass threads from right to left through front and
back tension discs and into check spring ID,, then into hook
E'. Now treat both threads as one until you reach the needle
eyes. Pass thread from the spool on the left through left needle
and the thread from the right spool through the right needle.
Extra twin needles may be purchased from your sewing machine dealer.
Flat side
of
the shank
/
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STRAIGHT STITCHING
For straight sowing on fine fabric or vsry soft material^
it is advisable to use the straight stitch presser foot and
the straight stitch needle plate which are included in
your accesory box. Both have narrow needle slots.
Changing the Foot and Plate. To change presser
foot 16, Fig. 1) loosen thumb screw 17 and remove
zigzag foot. Replace with hinged straight foot and
^ ^ _ tighten screw securely.
Fig. 12
To changl i^edle plate (14, Fig. 1) remove screw and lift off with cover plate 15
attached. Hold needle plate with left hand and cover plate with the right. Fig. 12)
Press upper corner of cover plate (right side up) down slightly and slip pin from
groove in needle plate. Avoid using too much pressure. When the pin is released the
two plates will separate.
Attach cover plate to straight stitch plate by reversing the above procedure.
Slip pin on lower side of cover plate into groove on needle plate. Insert tongue
into square opening and slide upper pin into position. Put plates on machine and
fasten securely with needle plate screw.
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Be sure to set the stitch width at O, or the
needle will break in striking the toot or plate.
Push the zigzag lever 7, Fig. 13} all the way to the
left so that pointer is over 0 in stitch width window.
Set both locks, 6, as far to the left as possible.
To move locks, pull knobs slightly and slide, then
release.
SETTING THE STITCH LENGTH
The length of the stitch is regulated by the dial A shown
in Fig 14. Near 0 is the shortest stitch and 6 is the longest.
Turn the dial to the left to lengthen and to the right to shorten
the stitch.
STITCH LENGTH CHART (Approximate)
5
4
3
2
36
1
7
9
12
20
13
Figures on dial
Number of
stitches per inch
0
No Feeding
6
5
Fig. 14
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SEWING IN REVERSE
When you wish to sew backward to tie the threads at the begin
ning or end of a seam, press in the reverse button B, Fig. 14, as far
as it will go. The machine will sew backward as long as the
button is held in.
Fig. 15
ADJUSTING THE TENSIONS
Always adjust the upper tension with the presser foot down, as
the tension is automatically released when it is raised. To increase
the tension on the upper thread, turn dial Fig. 15, to the right,
or clockwise. To decrease, turn to the left. The higher the number
on the dial the tighter the tension.
Before adjusting lower tension be sure that the machine is threaded properly. When
necessary to change the bobbin tension, turn small screw Fig. 16 on side of the
bobbin case clockwise to tighten, counterclockwise to loosen.
.... 14
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When the upper and under tensions are properlybalanced, a perfect stitch will be formed with both
threads interlocking in fabric. Fig. 17,
When the upper tension is too tight, the lower thread
is pulled up over the upper thread which is lying flat
on the fabric. When the under tension is too tight, the
upper thread forms loops over the lower thread lying
Perfect Stitch
a
Upper thread tension too tight
flat on the fabric.
Under thread tension too tight
Fig. 17
ADJUSTING PRESSURE AND FEEDING OF FABRIC
General Sewing. Usually for straight sewing and manual embroidery, the pressure
bar cap or darner release, B, Fig. 18, is at its lowest position and the feed is at its
highest level, with the red triangle on the drop feed knob A, Fig. 19, turned to REG.
Sewing Thin or Light Weight Fabrics. When lighter pressure is required to
sew satisfactorily on thin silk or filmy material, the pressure cap should be about halfway
down. Release all the way by pressing the snap lock. A, Fig. 18, and then press cap
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Fig. 19
B down again to halfway spot. Lower the feed slightly by turn
ing the drop feed knob to SILK.
Darning and Monogramming. In order to move the fabric
freely in any direction for darning, mending and certain kinds of
free-hand embroidery, release the pressure cap B completely
by pressing down on the snap lock, A, Fig. 18. Turn the drop
feed knob to DARN position, which drops the feed well below
the needle plate. To return feed to normal, turn knob to REG.
PREPARING TO SEW
Have take-up lever at highest point before starting to sew. Do
not try to help the feeding by pulling the material as this may
deflect the needle and cause it to break.
NEVER run machine without material between presser foot and
and feed. Place material and threads in position under the pres
ser foot and lower the presser foot. Turn the hand wheel toward
you until the needle is at its highest point. You are now ready
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to begin sewing. By having the needle at its highest
point it is not necessary to touch the hand wheel to start
the machine. You merely press the control. The speed of
the machine is regulated by increasing or decreasing the
amount of pressure exerted on the control.
REMOVING THE WORK
Be sure to stop the machine when the thread take-up
lever and needle bar are located at the highest position.
Now raise the presser foot and draw the fabric back and
to the left, Figs. 20 and 21, and pass the threads over
the thread cutter. Pull down slightly, holding thread in
both hands, so as not to bend the needle. Leave the ends
of thread under the presser foot.
Fig. 21
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ZIGZAG STITCHING
Setting the Stitch Width and Locks. Move
zigzag lever 7, Fig. 22, clear over to right
edge ol its channel. Pull left stop, 6, out
slightly and slide it to the right until the
black pointer on the lower part of indicator,
5, is under the width required. Then move
Fig. 22
lever, 7, back to the left until it forces left
lock to snap into its groove. The red pointer on the upper part of the indicator is
then above the number stitch width required.
To set the right stitch width lock, move lever to the left and slide the lock toward
the right to the width required. Move lever back to snap lock into its groove.
When the left and right locks are set at two different widths the zigzag lever can
be moved freely between the two settings.
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CREATIVE EMBROIDERY
Be sure zigzag presser foot and zigzag needle plate are in place.
The satin stitch, Fig. 23, which is really just a very
short zigzag stitch, and the basis for most embroidery,
is obtained by setting the stitch length as near 0 as
possible without stopping the feeding action. The width
may be set anywhere from just past 0 to the widest, 4, for single needle work. For
twin needles the stitch width must be no wider than No. Iti setting. When using
twin needles, always turn hand wheel manually until you are sure needles clear the
needle hole.
Embroidery Patterns.
With the machine set for a short stitch length, different designs can be made by
swinging the stitch width or zigzag lever back and forth between 0 and 4 or any other
combination of widths. Try setting the locks at 1 and 4, 2 and 4, etc. Set a rhythm
for yourself and then proceed. After a while you will become quite skillful, varying
your designs by the speed of the machine, stitch length and width, and the manipula
tion of the lever. Always run the machine at a uniform speed, whether fast or slow.
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SAMPLE EMBROIDERY PATTERNS (Fig. 24)
The following patterns will be altered by the machine speed. At slow speed the
patterns will be shorter than at moderate or fast speed.
A. Sew a few stitches at ?4 width, then quickly move lever back to 0 for a short
period. Count, if necessary, to establish
^ a rhythm.
B. Set width locks at 1% and 4, then move
B
c
.....
....
................
and 4 for the same count. Return to 2’2 and 1. Repeat.
..................
. ' .f move lever from 1 to 4, then snap it
Fig- 24 you count "1, 2, 3." Then stitch at 2* 2
i©ver slowly between settings, opérât-
s ing machine rather fast.
20
C. Set width locks at 1 and 4. Gradually
back quickly to 1.
D. Set locks at 1 and 4. Operate machine
at moderate speed. Stitch at 1 while
Page 23
E. Drop feed, lock stitch width at 4, take 3 or 4 stitches, leave needle in fabric left
of stitches. Pivot fabric on needle to make next daisy petal. Continue until flower
design is complete. Lock threads by setting stitch width at 0 and taking 3 or 4
stitches in center of design.
Twin Needle Work See Figs. 24 and 25
Variations of the designs shown in Fig. 24 (with the exception of the daisy; may be
done with twin needles when the right stitch lock is set on No. IV2 width.
Always turn the wheel by hand to be sure needles do not strike either side of the
needle plate hole.
A. Set locks at 0 and 1V2- Move lever at even pace from 0 to IV2, and back. Keep
repeating in rhythm.
B. Set stitch length at 2, the stitch width at 1. Do a few zigzag stitches, drop feed
for 3 or 4 stitches, then raise feed quickly. By operating the feed knob rhyihmically, it is not necessary to count stitches to obtain uniformity of pattern.
C. Set width locks at M and IV2. Sew a few stitches at IV2, then quickly move
lever to V2. Repeat the back and forth movement while running machine rather
slowly.
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Fig. 25
D. Set locks at 0 and I’A. Gradually move lever from 0 to 1%, then snap it back
quickly to 0. The speed of the machine will govern the length of the triangular
pattern.
E. Set the stitch length at 1, then follow directions for pattern A. .
For double rows of straight stitching, lengthen the stitch and set the stitch width
at 0, with lever as far to the left as it will go. Keep the zigzag foot on the machine.
22
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4
4
4
4
4
4
4
C
Page 25
EMBROIDERING WITH A HOOP
It is easy to follow a stamped design or to work
free hand when embroidering or monogramming.
'See Fig. 26,. Release the pressure from the foot
by pressing down the snap lock on the automatic
darner. Turn the drop feed knob to "DARN" posi
tion. Stretch the fabric in an embroidery hoop, and place under the needle after
removing the presser foot. Set the stitch width at the size you prefer and lower the
presser bar lifter. Then operate machine at a rather high speed while moving the
hoop slowly with both hands. Work carefully and be sure to keep fingers out of the
path of the needle.
MAKING BUTTONHOLES
First, mark the beginning and end of the buttcnLole on fabric with a basting line or
tailor's chalk. Make one on scrap fabric (following directions below) to be sure
machine adjustments are correct.
1. Replace presser foot with buttonhole foot which is. grooved deeply underneath to
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Fig. 27
Fig. 28
prevent piling up of thread. (See Fig. 27.)
Lock the stitch width at 2 with the left stop, and at 4 with the
2.
right stop. Set the stitch length near 0.
Lower needle carefully into the mark on fabric indicating the
3.
beginning of buttonhole. Stitch to the mark for the end of the
buttonhole, step 1, Fig. 28, stopping machine with needle in
fabric at right side of stitching.
Lift the presser foot and using the needle as a pivot, turn the
4.
fabric end for end.
5. Lower presser foot and turn hand wheel
just enough to raise needle out of fabric.
6. Turn feed knob to DARN and move zig
zag lever to 4. Take five or six stitches to
form bar tack, step 2, Fig. 28.
7. Raise needle out of fabric and return feed
to REG. position. Return stitch width to
2.
8. Stitch second side of buttonhole, step 3.
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9 Make bar tack by repeating 5 and 6 above step 4j. , j
10 Return stitch width to 0 and take two or three stitches to fasten bar threads an
prevent raveling. Cut the buttonhole opening with the seam ripper, being careful
not to cut the stitching.
If you plan to make buttonholes on sheer or soft material, place tarlatan or paper,
which can be torn away after stitching, under the fabric. And it is always wise to
make several buttonholes on scraps of fabric before working on the garinent.
For narrower buttonholes, set the left stitch width lock at less than 2, the rig oc
at the setting which will produce a bar tack twice as wide as one bank of button o e
stitching.
SEWING ON BUTTONS
1. Remove hinged presser foot and attach button sewing foot. See Figs. 29A, B and C.)
2 Turn drop feed knob to DARN.
3 Move zigzag width lever to 0 position or to the extreme left. Place button so tha
its left hole comes directly under the needle, then gently lower the presser foot.
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F!g. 29A
¡¡^ J ■ ^‘- ¿*-?£
Fig. 293
Move the zigzag width lever to the right until needle comes
exactly over the right hole of the button. Turn the balance
wheel slowly back and forth by hand to be sure needle drops
fjeely through both holes of the button. Lock stitch width,
either at right or left.
Run the machine at medium speed, making five or six stitches,
stopping with the needle in the left hole.
Move the lever to the left or to 0. Finish off with a few stitches.
5.
If you wish you may place a rounded toothpick over the button,
between the two holes, and sew button to fabric in regular way.
Remove toothpick and wind thread under button, forming a
shank. Fasten.
If a four hole button is to be sewn, follow the same procedure
above for the two hole button. Now lift
presser foot slightly and move fabric to
permit stitching the remaining two holes.
Hooks, snaps, etc., are sewn to the fabric
with the same procedure as for sewing
two hole buttons.
Fig. 29C
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Page 29
HEMMING WITH THE ZIGZAG STITCH
Heavy cr pile fabrics such as tweed, camel's hair,
felt and velveteen can be hemmed neatly and softly
with a zigzag stitch. Smooth, figured material may be
finished in the same way as the sidewise stitches
will be barely noticeable and the fabric will hang as
if hemmed by hand.
Prepare fabric for hemming either by stitching seam tape to the right side, or by
folding the fabric under one half inch. Stitch one fourth inch from the edge with a
normal straight stitch.
Press hem in place. Then fold the garment or large part of the fabric back on the
hem fold. Let the edge of the hem extend beyond the folded fabric one-guarter inch.
Hold in place with pins set crosswise every three to five inches. Fig. 30.
Set stitch length at 6, the stitch width at about 2. Test on a scrap of the fabric to
be hemmed to determine what stitch width would be best. A narrow zigzag stitch
will show less on the right side, but thicker fabrics require a wider stitch.
Place material under zigzag presser foot with the quarter-inch extension to the right.
Guide fold of garment between the prongs of the presser foot.
Operate machine slowly in order to guide the fabric so that only the left side of the
zigzag pattern catches the fold. The right side of the stitch should be only on the
quarter-inch extension of the hem.
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Page 30
Fig. 31
Fig. 32
HOW TO USE ACCESSORIES
NARROW HEMMER. With the needle at its highest
position, replace regular presser foot with narrow
hemmer Tig. 31). For a plain narrow hem, make a
1 8-inch double fold for about two inches along edge
of fabric. Hold each end of the two inch fold, slip
underneath hemmer. Bring fold up into the scroll of
hemmer, draw forward to end and fasten with point
of needle. Lower presser bar lifter.
Gently pull ends of thread as you start stitching.
Guide material slightly to right, and it will automa
tically take a double turn through scroll.
LACE TRIMMED HEM. To sew a narrow hem and
attach lace in one stitching, insert lace in the slot
next to needle ( Fig. 32 . Sew hem as above, guiding
lace under needle and hem into scroll.
LACE EDGE WITH INVISIBLE STITCHING. Hold
28 -
Page 31
lace 1 8-inch from raw edge on right side of fabric.
Insert both in scroll as for plain narrow hem Fig.
33 \ Let hem roll over and sew in lace. Press lace
out flat along edge with hem turned up. '
It is possible to have a little fullness in lace by
feeding it freely under scroll. .
FRENCH SEAM. With right sides together, place
top piece of material 1 8-inch inside edge of lower piece.
Insert in hemmer scroll, allowing hem to roll over, and sew in top fabric, making
French seam.
FLAT FELLED SEAM. Open out French seam and insert rolled edge in scroll of
hemmer. Edgestitch to lay seam flat.
HAND ROLLED EFFECT. Use a narrow zigzag stitch at approximately a s3 stitch
length. It should be just wide enough to catch both edges of the narrow rolled hem.
QUILTING GUIDE. This guide for making parallel rows of stitching is attached by
placing the pronged holder between the presser foot and the presser foot clamp screw
Fig. 34;. Adjust the curved bar to press lightly on the fabric. By letting the guide
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ride on the first stitching line, successive rows will
be an equal distance apart. When the bar is attached
so that the curved part is to the right of the needle,
it may also serve as a seam width guide.
SEAM GAUGE OR CLOTH GUIDE. Use the seam
gauge as a guide for straight seams and even rows of
top stitching along edges of fabric. Fasten gauge with
accompanying screw in threaded hole in needle plate
or in bed of machine Fig. 35;. Adjust to seam
width desired.
CARE AND MAINTENANCE OF
YOUR MACHINE
HOW TO OIL YOUR MACHINE
Your machine should be oiled occasionally to keep
it operating smoothly - how often depends on the
amount of sewing you do. Oil the upper part of the
sewing unit at points indicated by arrows in Fig. 36.
Avoid over-oiling — only a drop is needed at each
point.
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Fig. 36
Fig. 38
Occasionally remove the
top cover by removing screws
and oil moving parts not ac
cessible through oil holes,
Fig. 37.
To oil parts under the bed
of the machine, tip the unit
back on its hinges and apply
a drop of oil at each point
Fig. 39
indicated in Fig. 38.
To oil moving parts inside the face plate, which only
rarely require oiling, remove plate by taking out the
screws. Oil at spots indicated in Fig. 39.
Use gear lubricant on gears indicated by white arrows
in Figs. 37 and 38. Lubricate only when machine seems
to sew more slowly than usual.
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Fig. 42
HOW TO REPLACE LIGHT BULB
Grasp light bulb button (see 31, Fig. 2. and pull light bracket down
ward. Unscrew bulb and replace with bulb oi same size, which is
available from your sewing machine dealer.
HOW TO CHANGE THE BELT
IE it should ever become necessary to replace the belt on your ma
chine, the hand wheel must iirst be loosened and moved out.
To do this, follow thosG instxuctions .
1 Remove clutch nut A in center of wheel by taking out the small
’ screw B near the edge, Fig. 40. Turn nut counterclockwise until
it can be lifted off.
2 Before moving the hand wheel, note the position of the washer,
C, Fig. 41, which fits under the clutch nut. It may fall out when
you are changing the belt.
3. Pull hand wheel away from the machine carefully, Fig. 42. Pull
it just far enough to make the grooved section which holds the
belt accessible.
4, Slide old belt over hand wheel and over pulley on the end of
motor.
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5. Slide new belt into grooved section and over motor pulley.
6. Push hand wheel back against the machine.
7. If washer C has fallen off, replace so that the lips D, Fig. 41, are pointing toward
the clutch nut.
8. Replace nut and tighten screw securely.
After doing this, turn the clutch toward you to disengage the sewing mechanism. If
the needle still moves up and down as you turn the hand wheel, again remove the
clutch nut. Give the washer a half turn and replace the nut.
CLEANING AND OILING THE SHUTTLE
See Figs. 43 and 44
The stitch forming mechanism occasionally becomes
clogged with loose threads and lint. This will interfere
with the efficient operation of the machine. Cleaning
and removal of the lint will safeguard the performance.
To remove the shuttle assembly, proceed as follows;
1. Turn the balance wheel until the needle reaches
its highest position. Tilt head back on its hinges.
2. Remove bobbin case (A;, Fig. 43.
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Fig. 43
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3. Turn the two shuttle race cover clamps B) outward and remove the shuttle race
cover C) and shuttle body 'D).
4. Clean the shuttle race, the shuttle, and shuttle race cover by removing all threads,
lint, etc.
5. Apply a drop of oil with finger tip to outer edge of shuttle.
When the cleaning has been completed, proceed as follows to replace the shuttle
assembly:
1. Turn the balance wheel until the needle
reaches its highest position.
2. Place the shuttle body (D, Fig. 44, against
shuttle driver and adjust into position.
3. Replace shuttle race cover, C , fitting pin at
lower edge into notch, and lock into position
with shuttle race cover clamps, ' B. , making
certain the clamps have been snapped secure
ly into position.
Fig. 44
4. Put bobbin into bobbin case, (A.)
5. Put the bobbin case into the shuttle race, fitting tongue into notch E, Fig. 43, of
race cover.
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CHECK UP FOR SMOOTH SEWING
Although your sewing machine is designed for maximum efficiency, should any of
the following difficulties occur they can be remedied with minor adjustments.
Upper Thread Breaks
Be sure needle is inserted properly.
Check on correct way to thread machine.
Use correct needle size for thread.
Do not have upper tension too tight.
Lower Thread Breaks
Check correct method of threading bobbin case.
Be sure lower tension is not too tight.
Needle Breaks
Do not .tug or pull on the fabric while sewing as this will bend 'and eventually
break the needle.
Be sure presser foot is firmly attached to bar.
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Skipped Stitches
Do not use a blunt or bent needle.
Insert needle correctly.
Use correct needle size for thread.
Be sure pressure on foot is sufficient when sewing heavy fabrics.
Stitches Loop
Make sure tensions are properly balanced and that machine is threaded correctly.
Machine Binds
Clean thread, dust and lint from hook, shuttle and race.
If condition continues it may be that the machine is gummy with oil. Apply
kerosene to oil holes, run rapidly for a while, and wipe dry. Then lubricate again
with fine sewing machine oil.
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