Another quality product from
EURO-PRO
TM
INSTRUCTION MANUAL
English
Spanish
French
377/374/373/372
Model
EURO-PRO Operating LLC, 94 Main Mill Street, Door 16, Plattsburgh, NY 12901
4400 Bois Franc,St. Laurent, QC,H4S 1A7
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Contents
Principal parts
3-4
How to connect the machine to the power supply
4
4
4
5
How to use the foot control
How to replace the sewing lamp
Changing the needle
Thread and needle chart
5
5
To select a suitable needle
Removing and attaching the presser foot
6
Regulating the thread tension
Reverse stitch
6
7
The pattern selector
7-8
Removing the bobbin case and bobbin
Winding the bobbin
8
9
Threading the bobbin case
Threading the needle
9
10
11
Drawing up the bobbin thread
Straight stitch and zigzag stitch
Changing sewing direction
Fastening seams
11
12
12
12
13
13
Triple stretch stitch
Tricot zigzag stitch
Smocking stitch
Overlock stitch
13
Double action stitch
Double overlock stitch
Sewing buttonholes
14
15
14-15
Sewing zippers
Hemming
15
16
16
17
17
Sewing blind hems
Sewing embroidery
Darning plate
Buttons
17
18
Cleaning the feed dog
Cleaning the shuttle race
Free arm sewing
18
19
20
Trouble shooting: causes and remedies
2
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4
5
( Model 377)
PRINCIPAL PARTS
2
17
3
1
1.Bobbin winder thread guide
2.Thread tension dial
3.Pattern selector dial
4.Bobbin winder spindle
5.Bobbin winder stopper
6.Balance wheel
15
6
7.Stitch length dial
8.Reverse button
14
7
8
9.Needle clamp and screw
10.Shuttle cover
11.Presser foot
16
13
12.Presser foot thumb screw
13.Needle
12
11
14.Screw for face plate
15.Face plate
16.Extension table
17.Stitch display
18.Presser foot lifter
18
9
(Accessories storage compartment)
10
(Model 374)
PRINCIPAL PARTS
1.Bobbin winder thread guide
2.Thread tension dial
3.Pattern selector dial
4.Bobbin winder spindle
5.Bobbin winder stopper
6.Balance wheel
7.Stitch length dial
8.Reverse button
9.Needle clamp and screw
10.Shuttle cover
11.Presser foot
12.Presser foot thumb screw
13.Needle
14.Screw for face plate
15.Face plate
16.Extension table
17.Stitch display
18.Presser foot lifter
3
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( Model 373/372)
PRINCIPAL PARTS
1.Bobbin winder thread guide
2.Thread tension dial
3.Pattern selector dial
4.Bobbin winder spindle
5.Bobbin winder stopper
6.Balance wheel
7.Stitch display
8.Reverse button
9.Needle clamp and screw
10.Shuttle cover
11.Presser foot
12.Presser foot thumb screw
13.Needle
14.Screw for face plate
15.Face plate
16.Extension table
17.Presser foot lifter
HOW TO CONNECT THE MACHINE TO THE POWER SUPPLY
1.Fit the machine plug into the machine.
2.Plug the power cord to the power supply.
Note:*Before plugging in the machine, ensure the voltage and
number of cycles indicated, conforms to your electrical
power supply.
HOW TO USE THE FOOT CONTROL
Sewing speed can be varied by the foot control. The harder you press
on the controller, the faster the machine runs.
Note:*By releasing the controller, the machine stops running auto-
matically.
*Before using the machine, practice controlling the speed
without threading.
HOW TO REPLACE THE SEWING LAMP
The sewing lamp is located behind the face plate.
Remove the face plate by loosing the screw of the face plate.
To remove...Unscrew
Bulb type:
To replace...Screw
Note:*Before replacing a bulb, disconnect the machine from the
power supply.
*Bulbs are available from sewing machine retailers.(Use a
15-Watt bulb)
Caution!
Before leaving the machine, changing parts or doing any other
work on it, always disconnect the plug from the wall socket.
4
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THREAD AND NEEDLE CHART
NEEDLE SIZE
9 or 11
THREADS
FABRICS
Fine Silk
Fine Cotton
Sheer cottons, Silk,
Synthetics, Georgette
LIGHT
WEIGHT
Fine Synthetic
Fine Cotton Covered Polyester
50 silk
Medium Weight Cottons, Synthetics,
Poplin, Velvet, Light Weight Woollens
MEDIUM
WEIGHT
50 to 80 Cotton
50 to 60 Synthetic
Cotton Covered Polyester
11 or 14
14 or 16
50 Silk
Heavy Weight Cottons, Denim
Tweed, Gaberdine, Drapery
HEAVY
WEIGHT
40 to 50 Cotton
40 to 50 Synthetic
Cotton Covered Polyester
Note: *In general, fine threads and needles are used for sewing thin fabrics, and thicker threads and needles are
used for sewing heavy fabrics, Always test thread and needle size on a small piece of fabric which will
be used for actual sewing.
*Use the same thread for needle and bobbin.
*When sewing stretch, very fine fabrics and synthetics, use a STRETCH needle. The STRETCH
needle effectively prevents skipped stitches.
*When sewing very fine fabrics, sew over a piece of paper to prevent yarn distortion.
CHANGING THE NEEDLE
1. Turn the balance wheel towards you until the needle is in
its highest position.
2. Loosen the needle clamp screw by turning its top edge
towards you. Remove the needle from the clamp.
,
3. Place the new needle into the needle clamp with it s flat
side facing away from you. Push the needle up into needle
clamp as far as possible.
4. Tighten the needle clamp screw firmly.
TO SELECT A SUITABLE NEEDLE
(4)
A number indicating the size
of needle is marked on the
Stem
(3)
stem. The higher the number,
the thicker the needle.
A STRETCH needle is
recommended for stretch fabrics.
Do not use any needle which
is bent or blunted.
stretch needle
*
5
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REMOVING AND ATTACHING THE PRESSER FOOT
To Remove:
1. Turn the balance wheel towards you until the needle is at its highest position
2. By lifting the lever on the back of the foot holder, the presser foot will drop off.
Note: *Do not force the presser foot to remove it.
To Attach:
1. Place the presser foot so that the pin on the foot lies just under the groove of the
foot holder. Lower the foot holder.
,
2. When the presser foot lifter is raised youll fin d the presser foot is locked in place.
REGULATING THE THREAD TENSION
Generally, should any tension adjustment be necessary, the adjustment can normally be made by regulating
the upper thread tension dial only. Bobbin thread tension has been adjusted at the factory and readjustment
is seldom required except for special instances, thread and fabric.
Bobbin thread tension is just right when you can pull the thread from bobbin case easily with a little resistance.
Thread tension may be adjusted by tightening or loosening the thread tension dial.
The needle thread and the bobbin thread
should interiock in the center of two layers of fabric
n,
se.
n.
Remember the higher the number, the tighter the tension. Correctly balanced tensions for one fabric may not
be suitable for another. The required tension depends upon the stiffness of fabric, thickness of the fabric,
numbers of layers of fabric being sewn, as well as the type of stitch you are making. It is better to test the stitch-
ing on a scrap of the fabric you are using before starting to make a garment. The general range for many fabrics is 3-5.
6
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STITCH LENGTH DIAL (Model 377 and 374 only)
To change the length of the stitches proceed as follows:
Turn the dial so that the number for the required stitch length is at setting mark. The numbers indicate the approximate
stitch length in mm. The smaller the numbers, the shorter the stitch.
Model 374
Model 377
setting
mark
stitch lengths
(Model EP 377/374/373/372)
REVERSE STITCH:
Press center of the stitch length dial (reversing button) and hold for reverse stitching. Fabric will immediately start feeding
backwards. Release button and machine will resume normal forward sewing. Very useful for fastening ends of seams and
darts without having to tie threads, and for strengthening seams.
Model EP 377
Model 374
Model 373/372
(Model 377)
THE PATTERN SELECTOR
The desired pattern can be selected by turning the pattern selector dial. The marks on the dial correspond to the
patterns shown on the panel respectively, as follows;
M(
O(
)
straight stitch, middle needle position
straight stitch, left needle position
)
1-5( 54321) zigzag stitch with variable width
A(
B(
C(
D(
)
)
)
)
tricot stitch
stretch blind stitch
double action stitch
reverse blind stitch
SS
automatic buttonhole sewing
SS
Selecting Stretch Stitch:
When sewing stretch stitch, set the stitch length dial at
S.S.
.
When you release the engagement on the dial, the
Standard djustment
stretch stitch mechanism will be off automatically.
M(
O(
)
)
triple straight stretch stitch, middle needle
position.
Turn the stitch length dial so that
the SS mark is uppermost.
This is a standard adjustment for most types of fabric.
For different types of fabric, adjustment may be necessary.
To shorten the stretch stitches, turn the dial slightly to-
triple straight stretch stitch, left needle
position.
1-5( 54321) triple zigzag stretch stitch or ric-rac stitch
wards
To lengthen, turn the dial towards
.
A(
B(
C(
D(
)
smocking stitch
On most fabrics, these adjustments allow for various
pattern possibilities.
)
fancy stretch stitch or blanket stitch
double overlock stitch
overlock stitch
)
)
When making stretch stitches, the mark
be within the SS range - (see drawing).
must always
7
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THE PATTERN SELECTOR
( Model 374)
The desired pattern can be selected by turning the pattern selector dial. The marks in the stitch display correspond
to the patterns shown on the panel respectively, as follows:
A (
)
)
straight stitch, middle needle position
straight stitch, left needle position
zigzag stitch with variable width
tricot stitch
stretch blind stitch
) double action stitch
) reverse blind stitch
B (
C (
D (
E (
F (
G (
)
)
)
automatic buttonhole sewing
( Model 373/372)
THE PATTERN SELECTOR
(
(
)
)
straight stitch
zigzag stitch
1 - 3
4-6
7
(
(
)
)
triple zigzag stretch stitch
triple straight stretch stitch
8
9
(
(
(
)
)
)
overlock stitch
smocking stitch
10
11
12
tricot stitch
shell stitch
(
)
(
)
automatic buttonhole sewing
RE MOVING THE BOBBIN CASE AND BOBBIN
1. Raise the presser foot and turn the balance wheel towards
you until the thread takd-up lever is at its highest position.
2. Open the shuttle cover.
3. Open hinged latch of bobbin case and pull bobbin case out of
machine.
Release the latch and the bobbin will fall out. As long as you
hold the bobbin case latch open, the bobbin cannot drop
out.
8
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WINDING THE BOBBIN
1. Draw thread from spool through
bobbin winder tension disc as shown.
2. Pull end of thread through hole in bobbin
as shown.
3. Push bobbin winder shaft to far left position,
if it is not already there. Place bobbin onto
shaft with end of thread coming from top of
bobbin. Push bobbin winder shaft to right
until it clicks. Hold onto end of thread.
4. Start machine. The thread that is held will
snap or may be trimmed with a scissors,
Bobbin will cease turning when completely
filled. Push shaft to left to remove bobbin.
When the bobbin winding is incorrect, release
the screw of the upper thread guide and adjust
the thread guide up or down until the winding
of the bobbin is balanced.
THREADING THE BOBBIN CASE
Hold the bobbin between the thumb and forefinger o
hand and pull off about 15cm (6 inches) of thread.
1. Hold the bobbin case in your left hand as shown an
the filled bobbin inside.
2. Pull the thread into the slot in the edge of the bobbin
3. Now pull the thread under the tension spring and
thread eyelet.
To insert the bobbin case and bobbin......
Ensure that about 15 cm (6 inches) of thread extends
out of bobbin. Hold the bobbin case so that long
finger on case points up. Open the latch of bobbin
case. Slip the bobbin case over the center pin of
hook and press in place until the long finger of the
bobbin case enters the notch entirely to lock the
bobbin in place. Release latch and press it down.
9
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2
5
1
A
THREADING THE NEEDLE
Install the spool pin behind the machine
(as shown in fig ).
3
A
Place spool on spool pin, with thread
coming from the back of the spool. Place
the take - up lever
position.
5
in the highest
B
6, 7, 8
4
fig A
1. Raise the presser foot using the foot lever
marked
B
.
2. Draw the thread through the thread
guides on the top cover as drawing in,.
B
3. Hold the spool still with right hand, pull
the end of the thread between the
tension disk as shown in.
4. Following the slotted threading path,
pull the thread down to thethread check
spring (inside) and lead it across from
left to right.
2
1
5. Pull the thread upward and slip into
the slotted hole of thread take-up level
from left to fight 5
.
5
6. Draw the thread through guides
and
6
7
and thread the needle from front to
,
3
rear 8 , leave the thread about 15cm(6
inches) long underneath the presser
foot.
6
7
4
8
10
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DRAWING UP THE BOBBIN THREAD
1.Hold the end of the needle thread with your left hand.
needle thread
1
2.Turn the balance wheel slowly towards you with your right
hand until the needle goes down and comes up. Then stop
the balance wheel when the take-up lever is at its highest
position.
Lightly draw up the needle thread forming a loop with the
bobbin thread.
2
3.Puil about 15cm (6 inches) of both threads away from you
under the presser foot.
needle
thread
bobbin
thread
3
STRAIGHT STITCH AND ZIGZAG STITCH
Model 373/372
Model 377
Model 374
zigzag foot
zigzag foot
Presser foot
Pattern selector
(
) (for straight stitch)
) (for zigzag stitch)
O (
)
M (
)
(for straight gtitch)
or
A (
)
B (
)
or
(for straight stitch)
(
C (
) (for zigzag stitch)
1 - 5 (54321) (for zigzag stitch)
0.3-4
0.3-4
Stitch length dial
-
Starting Sewing
1. Be sure both the threads are drawn back under the presser foot.
2. While holding the threads with your left hand, turn the balance
wheel toward you to bring the needle into the fabric where you
wish to start sewing.
3. Lower the presser foot, and press the speed controller gently,
then start sewing slowly.
*Sew a few reverse stitches by pushing reverse button for
reinforcing the end of seams.
*Raise the needle to its highest position before turning the
pattern selector dial and stitch width dial.
11
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Changing Sewing Directions
1. Stop the machine, and turn the balance wheel toward you to
bring the needle down into the fabric. Raise the presser foot.
2. Pivot the fabric around the needle to change direction as
desired.
3. Lower the presser foot and continue sewing.
Fastening Seams
1. For fastening the ends of seams, press in the reversing
button and sew several reverse stitches.
2. To remove the fabric, raise the presser foot and draw the
fabric away from you.
3. Cut threads on thread cutter at the rear of presser bar or
with a pair of scissors.
Leave about 15 cm (6 inches) of hread hanging from the
needle eye.
(Model 374/373/372)
TRIPLE STRETCH STITCH
If you wish to sew stretch fabrics, this is the right stitch to avoid thread breaking. This is also very suitalbe
for seams that need great strength,e.g.crutch seams or pocket seams.
TRIPLE ZIGZAG STRETCH STITCH
TRIPLE STRAIGHT STRETCH STITCH
Model 377 Model 374 Model 373/372
zigzag foot zigzag foot
Model 377 Model 374 Model 373/372
zigzag foot zigzag foot
Presser foot
Presser foot
Pattern selector
Pattern selector
M(
S.S.
)
8(
)
O(
)
7(
)
S.S.
Stitch length dial
Stitch length dial
Note: * Use a STRETCH needle.
The blue tipped shank needle effectively prevents
skipped stitches.
12
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TRICOT ZIGZAG STITCH
SMOCKING STITCH
With a narrow strip of fabric directly under the line
of gathering, stitch over the gathers. The design will
be a series of small diamonds.
This stitch is very suitable for darning tears. It can
also be used for reinforcing stretch materials and
sewing on fabric parts.
When smocking a garment, the stitching should be
done before the piece is sewn into the garment.
Model 377 Model 374 Model 373/372
Model 377
zigzag foot
Model 374 Model 373/372
zigzag foot
zigzag foot
Presser foot
zigzag foot
zigzag foot
Presser foot
D (
)
11(
)
Pattern selector A (
0.3 to 4
)
Pattern selector
A (
)
10(
)
-
0.5 to 4
Stitch length dial
-
Stitch length dial
S.S.
Note: *Use a STRETCH needle.
The stretch needle effectively prevents
skipped stitches.
OVERLOCK STITCH
With this seam it is possible to prevent raw edges, especially on easilyfraying fabrics,with a good-locking and
lasting edge finish.
Model 377
Model 374 Model 373/372
zigzag foot
zigzag foot
Presser foot
Pattern selector
Stitch length dial
D (
S.S.
)
9(
)
Place the fabric under the presser foot so that the stitches are made
over the edge.
Lower the presser foot and start sewing.
Guide the material lightly as shown.
Sew on a piece of waste fabric to check the machine setting.
The overlock stitches are formed correctly when the needle sews
to the right and just misses the fabric edge.
Note: *Use a STRETCH needle.
The stretch needle effectively prevents skipped stitches.
13
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DOUBLE ACTION STITCH
DOUBLE OVERLOCK STITCH (Model EP 377 only)
This is a good stilch to use in attaching or binding
elastic fabrics and stretch lace, lingerie stretch knit.
The stitch is decorative as well as useful.
Use this versatile stitch to insert elastic in garments.
Simply stitch elastic into place, making sure it is
evenly spaced. To do this, mark the correct length
piece into quarters, then match these markings with
center front and side seams.
Model 377
zigzag foot
Model 374
zigzag foot
Model 373/372
Presser foot
Presser foot
zigzag foot
F(
)
C (
)
Pattern selector
Stitch length dial
Pattern selector
Stitch length dial
C(
S.S.
)
1 to 2.5
1 to 2.5
DECORATIVE EDGING
Turn the raw edgeunder 2cm and press. Place the
fabric right side up with the middle of the turnover
under the center of the presser foot, so that the
stitch sews on to the fold and just over the raw edge
underneath.
SEWING BUTTONHOLES
The built -in buttonhole mechanism of this machine makes it possible to sew
button holes in a short time without turning the material.
Model 377/374
buttonhole foot
Model 373/372
buttonhole foot
Presser foot
Pattem selector
Stitch length dial
0.5 to 1
Raise the foot and the needle to its highest position. Replace the foot with
the transparent buttonhole foot for sewing buttonholes.
Mark the location and the desired length of buttonhole on the fabric using a
,
pencil or tailor s chalk.
Note:
* The mark on the stitch
length dial shows a range of
(Model EP 377 and 374 only)
*To find the most suitable
stitch length, it is better
to sew a sample buttonhole
on a piece of waste fabric.
* When sewing very fine
fabrics and synthetics, de-
crease the pressure of foot
and sew over a piece of
paper to prevent yarn dis-
tortion.
buttonhole sewing.
An
adjustment can be made
by setting the mark, as
shown.
* Buttonhole stitch length is
adjustable only on one side.
14
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SEWING BUTTONHOLES (Model 377 and 374)
1. Set the p
attern selec
(Model EP 377 and 374 only)
tor at
. Th
en pass th
e need
le threa
d
le
through
the ope
ning in th
e butto
nhole f
oot and d
raw both need
and bobb
towards yo
in threa
ds to the
left side
. Turn the ba
lance w
heel
u until th
e need
2.Lower the foo
t and sew s
lowly u
le come
s to the poi
(1).
nt
esired lengt
ntil the d
h is sewn
,
then stop th
e mach
3. Rais
e the nee
(2).
ine at
dle and s
et the se
lector at
.
Th
en sew
several s
titches of bar tac
k until the n
eedle is at point
(3).
then sewt
4. Rais
e the nee
dle and s
et the se
lector at
he
right side o
f butto
buttonh
nhole the sam
e lengt
h as the le
ft side of
ole. Stop t
he mac
hine at (4).
5. Rais
e need
le and se
s of final ba
point . To lock thr
t the sele
ctor at
then s
ew sev
eral
stitche
r tack. Stop t
he mac
hine wi
th the ne
lector at
itches.
sing a se
edle at
(5).
eads, set the pa
ttern se
B (z
ero
§
point of zigz
ag widt
6. Cut the
buttonhole o
h). And s
ew a few st
efully u
r tacks.
pen car
ge the ba
am ripp
er, taking ca
re
not to dama
SEWING BUTTONHOLES (Model 373/372)
1. Set th
e patter
n selec
tor at
( Model 373/372 )
Then pass th
e needle threa
d
through th
needle an
e opening in the b
uttonhole fo
ot and dr
aw both o
f
d bobbin threa
ds to the rig
ht side. Tu
rn the ba
lance
wheel tow
(1).
ards yo
u until the n
eedle c
omes to t
he poin
t
2. Low
er the fo
ot and se
w slowly until a de
sired le
ngth is se
wn,
(2).
then stop th
e mach
ine at
dle and s
et the sel
ector a
3. Rais
e the nee
t
then sew
several s
4. Rais
e the nee
titches of bar tack u
ntil the n
eedle is at point
ector at
s the sa
(3).
dle and s
et the sel
then s
ew the
left sid
e of but
tonhole just a
me length as th
e right s
ide of
(4).
butto
nhole. Stop the m
achine at
e the nee
5. Rais
dle and s
et the sel
ector at
then se
w several
stitches of fin
(5).
al bar ta
ck. Sto
p the m
achine with th
e needle at
point
6. Cut the bu
ttonhole op
en carefull
y using
a seam
ripper, taking
care not to da
mage the ba
r tacks.
Note: To make a
heavier but
tonhole, sew
twice b
y repeating t
he
same p
rocedure.
SEWING ZIPPERS
Model 377
zipper foot
Model 374
Model 373/372
zipper foot zipper foot
Presser foot
Pattern selector
1-3(
)
A(
)
M(
)
Stitch length dial
1 to 4
1 to 4
Raise the foot and the needle to its highest position by turning
the balance wheel towards you. Replace the foot with the zipper
foot.
1. Pin or baste the zipper tape to the fabric and place the work-
piece in position under the foot.
Attach snap on zipper foot so that the needle passes on its
left hand side.
* When starting sewing, both needle and bobbin threads end
should be put away under the foot.
2. Sew on the right side of the zipper by guiding Zipper teeth
as close as possible to the needle drop. Before the foot reach
the slider on the zipper tape, raise the foot and open the
zipper by keeping the needle in the fabric.
Lower the foot and sew on the remaining of the seam,
3. To sew the left side zipper change position of foot to bring
the foot to the left side of the needle. Sew on in the same
way as you did on the right side of zipper.
15
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HEMMING (Model 377 only)
Presser foot
hemmer foot
M(
Pattern selector
Stitch length dial
)
1 to 4
Raise the foot and the needle to its highest position. Replace the
foot with the hemmer foot.
Fold over the fabric edge by about 3mm (1/8 inches ) and place it
under the foot. Secure the folded edge with a few stitches. Take
out the workpiece and draw the hem into the hemmer foot by
pulling on the threads.
Lower the foot and swe the hem.
During sewing, fold the fabric to the left a little and allow it to
run into the hemmer foot.
Make sure that the fabric does not move under the right half of
the foot. The fabric must be fed into the scroll of the hemmer
sufficiently so that the workpiece edge runs freely through the
groove under the foot.
(Model 377/374/373/372)
SEWING BLIND HEMS
Model 377
Model 374 Model 373/372
blind hem foot
(Fig. 1)
Presser foot
blind hem foot
,
,
4mm (1/6
)
Pattern selector
B (
)
E(
)
1 to 3
1 to 3
Stitch length dial
(Fig. 2)
1. Turn up the hem to the desired width and press. ( Fig. 1)
2. Fold hem back against the right side of the garment with
top edge of hem extending about 4 mm (1/6 inches) to the
right side of the garment folded. (Fig. 2)
Guide
adjusting
(Fig. 1)
screw
3. Place the garment under the foot so that double-folded edge
runs along the hemlguide and lower the foot.
Sew slowly for better control, making sure the narrow
zigzag stitches are sewn on the hem edge and wide zigzag
stitches will just catch one thread of folded edge. (Fig. 3)
4. Unfold the fabric and you will have a bling stitch hem
(Fig. 4)
Guide
Foided edge
(Fig. 3)
(Fig. 4)
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SEWING EMBROIDERY
Presser foot
Pattern selector
darning plate
) or
zig zag
(
Raise and take off the foot.
Place the fabric in embroidery hoop. Place darning plate
over needle plate (see below). Lower the presser foot lifter.
Hold the embroidery hoop firmly with your hand.
While sewing the desired pattern, move the embroidery hoop
slowly and do not allow your fingers to get near the needle.
*Set the needle thread tension a little looser so that the bobbin
thread is not pulled through to the right side of fabric.
(See page 13).
*It is recommended to mark the required embroidery pattern
on the right side of the fabric with a pencil or tailor s chalk.
,
DARNING PLATE
There are a few times when you want to control the feeding of
the fabric yourself. Raise needle to its highest position and
raise presser foot. Place darning plate over needle plate
aligning two pins of darning plate with holes of needle plate.
You may then determine the movement of the fabric yourself.
See above for embroidery.
Thread Shank
BUTTONS
Sew-through buttons on coats and
jackets should nave a thread shank to
e fabric.
achine
en the
needle.
nd wind
shank.
Model 377
button foot
Model 374 Model 373/37
button foot
Presser foot
1-5(54321)
Pattern selector
4-6(
1. Align two holes of button with slot
of presser foot and lower foot to
hold the button securely.
2. Turn hand wheel manually until
needle point is just above button.
3. Adjust stitch selector so needle enters
right hole of button.
4. Turn hand wheel by hand so needle
enters second hole. The stitch selector
may need to be adjusted again. Stitch
a number of times.
NOTE:
You may find it helpful to use trans-
parent tape to position your button
and to keep it in place during sewing.
Tear away after stitching.
5. Finish sewing with an extra two
inches of thread remaining. Draw
these threads to reverse side of gar-
ment and tie.
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CLEANING THE FEED DOG
It is necessary to keep the feed dog teeth always cleaned in order
to ensure smooth sewing.
1. Remove the needle and the presser foot.
2. Unscrew the needle plate set screws with a screw driver to take
off the needle plate from the machine.
3. With a brush, clean out dust and lint clogged on the feed dog
teeth.
4. Refit the needle plate.
CLEANING THE SHUTTLE RACE
Unplug the machine from the power supply.
To remove shuttle:
Raise needle to its highest position and remove bobbin case.
Turn levers away from shuttle and lift out retaining ring an
shuttle, by grasping center pin.
Clean the reverse side of feed dog with a small brush. Remo
lint and thread from all parts of shuttle and wipe with a lightly
oiled cloth.
To reassemble:
Hold shuttle by center pin and fit carefully back into shuttle
race, forming perfect circle with shuttle driver..
Replace retaining ring polished side out, making sure the bott
pin fits into notch. Lock retaining ring by turning levers back in
position, Refit bobbin case with bobbin.
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FREE ARM SEWING
This se
converts
The free
Just slip
You will
1. Mend
2. Sew i
smalle
3. Appliq
4. Sew
19
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TROUBLE SHOOTING: CAUSES AND REMEDIES
THREAD FORMS LOOPS
REMEDY
CAUSE
Read instructions for regulating needle-and bobbin thread tension
Thread machine properly and/or wing bobbin thread correctly
Thread tension not properly regulated
Needle thread properly threaded and/or bobbin thread
not properly wound
Thread size not suited to fabric
Thread check spring not working properly
See Size of needle and thread
Have spring replaced
SHRINKING OR PUCKERING OF THE SEAM
Read instructions for regulating needle-and bobbin thread tensions
Read instructions for regulating sewing foot pressure
Tension too tight
Sewing foot pressure too strong
IRREGULAR STITCHES
Use top quality threads
Re-wind bobbin
Needle and bobbin threads of poor quality
Bobbin thread unevenly wound
MACHINE DOES NOT RUN FREELY AND MAKES A NOLSE
Read instructions on how to oil
Read instructions on how to clean shuttle race
Machine needs oiling
Dust and thread in shuttle
Clean machine carefully and re-oil with top quality oil
Loosen tension of drive belt
Wrong oil used, has now clogged machine
Drive belt tension too tight
TROUBLE SHOOTING: CAUSES AND REMEDIES
NEEDLE THREAD BREAKS
REMEDY
CAUSE
Thread properly
loosen tension
Replace needle
Change
Needle not properly threaded
Thread tension too tight
Something wrong with the needle
Thread is too heavy for needle
Thread check spring is broken
Needle not properly inserted
Have a new spring fitted
Insert needle properly
Replace
Needle plate, shuttle or sewing foot damaged
BOBBIN THREAD BREAKS
Wind bobbin correctly
Thread bobbin correctly
Bobbin thread entangled because of incorrectly wound bobbin
Bobbin thread not under tension spring on bobbin case
STITCHES ARE LEFT OUT
Fit needle properly
Replace
Needle not properly fitted on needle bar
Needle bent or blunt
Replace
Needle worn
NEEDLE BREAKS
Replace
Needle bent
Fit needle properly
Use needle of correct size
Do not pull
Needle not properly fitted
Fabric too heavy or too hard
You are pulling on the fabric
20
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