Singer 3368 User manual

3368
Model
Instruction Manual

When using an electrical appliance, basic
safety precautions should always be
followed, including the following:
Read all instructions before using this
sewing machine.
1. An appliance should never be left
unattended when plugged in.
2. Always unplug this appliance from the
electric outlet immediately after using
and before cleaning.
3. Always unplug before re lamping.
Replace bulb with same type rated 10
watts.
1. Do not allow to be used as a toy.
Close attention is necessary when
this appliance is used by or near
children.
2. Use this appliance only for its
intended use as described in this
manual. Use only attachments
recommended by the manufacturer as
contained in this manual.
3. Never operate this appliance if it has
a damaged cord or plug, if it is not
working properly, if it has been
dropped or damaged, or dropped into
water. Return the appliance to the
4. Never operate the appliance with any
air openings blocked. Keep ventilation
openings of the sewing machine and
foot controller free from accumulation
of lint, dust, and loose cloth.
5. Keep fingers away from all moving
parts. Special care is required around
the sewing machine needle.
6. Always use the proper needle plate.
The wrong plate can cause the needle
to break.
7. Do not use bent needles.
8. Do not pull or push fabric while
stitching. It may deflect the needle
causing it to break.
9. Switch the sewing machine off ("O")
when making any adjustments in the
needle area, such as threading needle,
changing needle, threading bobbin, or
changing presser foot, and the like.
10. Always unplug sewing machine from
the electrical outlet when removing
covers, lubricating, or when making
any other user servicing adjustments
mentioned in the instruction manual.
11. Never drop or insert any object into
any opening.
12. Do not use outdoors.
13. Do not operate where aerosol spray
products are being used or where
oxygen is being administered.
14. To disconnect, turn all controls to the
off ("O") position, then remove plug
from outlet.
15. Do not unplug by pulling on cord. To
unplug, grasp the plug, not the cord.
This sewing machine is intended for
household use only.
DANGER
WARNING
SAVE THESE
INSTR CTIONS
- To reduce the risk of
electric shock:
- To reduce the risk
of burns, fire, electric shock, or injury
to persons:
IMPORTANT SAFETY INSTR CTIONS
nearest authorized service center for
eamination, repair, electrical or
mechanical adjuestment.

Automatic needle threader
Principal parts ................................................................................................................
Accessories
Fitting the snap in sewing table
Connecting machine to power source.............................................................................
Two step presser foot lever/ Adjusting the presser foot pressure...................................
Attaching the presser foot holder ....................................................................................
Winding the bobbin
Inserting bobbin.............................................................................................................
Changing the needle
Threading the upper thread...........................................................................................
Thread tension ..............................................................................................................
Bringing up the lower thread .........................................................................................
Reverse sewing/ Removing the work/ Cutting the thread
Matching needle / fabric / thread...................................................................................
How to choose your pattern ..........................................................................................
Straight stitching and needle position
Zig zag sewing
Blind hem
Sewing on buttons
......................................................................
...................................................................................
3 step zig zag.................................................................................................................
Stitch selection...............................................................................................................
Smocking stitch..............................................................................................................
Sewing with the cording foot ..........................................................................................
.......................................................................................
Practical stitches ............................................................................................................
Darning...........................................................................................................................
Attaching lace.................................................................................................................
Applique .........................................................................................................................
....................................................................................................
...........................................................................................................
.......................................................................................................
Patch work .....................................................................................................................
Maintenance...................................................................................................................
Trouble shooting guide...................................................................................................
List of contents
2/3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
......................................................................................
....................................................................................................
(optional) ...........................................................................
Utility sewingUtility sewing
How to sew 4-step buttonholes
Sewing with the narrow hem foot
Free motion darning (optional)
Twin needle (optional)
Quilting (optional)
Gathering (optional)
Zippers and piping ....................................
Overlock stitches............................................................................................................
.........................................................................................................
.......................................................................................
...............................................................................................................
.......................................................................................................................
..............................................
............................................................................
.........................................................................................................
.....................................................................................................................

2
1. Thread tension dial
2. Presser foot pressure
3. Thread take up lever
5. Presser foot
6. Needle plate
7. Sewing table and accessory box
8. Bobbin stopper
9. Stitch length dial
10. Stitch width dial
11. Stitch display
12. Reverse sewing lever
13
Principal parts
13
(optional)
3
1
2
4
5
6
7
8
11
12
9
10
４． Ｔｈｒｅａｄ ｋｎｉｆｅ Built-in threader

16. Handle
18. Spool pin
19. Handwheel
20. Pattern selector dial
21. Power switch
22. Main plug socket
23. Bobbin thread guide
. Upper thread guide
. Presser foot lever
3
Principal parts
14
15
18
16
19
20
21
22
17
23
14
15
１７． Ｂｏｂｂｉｎ ｗｉｎｄｉｎｇ ｓｐｉｎｄｌｅ

Accessories
k.
l.
m.
n.
o.
p.
(2)
q. Hemmer foot
r.
s.
Quilting foot
t. Overcasting foot
Standard accessories (1)
a. General purpose foot
b.
c.
d.
e.
f.
Seam ripper/brush
g.
Lubricate oil
h.
i.
j.
Twin needle
1
2
a
fgh
tu
j
n
rs
4
Screw driver (small)
Screw driver (large)
Darning plate
Cording foot
Needle x 3pcs
4-step Buttonhole foot
Zipper foot
Bobbin x 3pcs
d
c
i
lm
Button sewing foot
Blind hem foot
Edge/Quilting guide
op
q
Darning/Embroidery foot
Gathering foot
e
h
u.
k
b
Satin stitch foot
Optional Accessories

Fitting the snap-in sewing table
Hold the snap in sewing table horizontal, and push it
in the direction of the arrow. (1)
The inside of the snap in sewing table can be utilized
as an accessory box.
To open, lift up at the point of the arrow. (2)
5
2
1

Connecting machine to power source
6
3
Caution:
Attention:
Always make sure that the machine is unplugged from power source
and the main switch is on "O". when the machine is not in use and
before inserting or removing parts.
Consult a qualified electrician if in doubt as to connect machine to
power source. Unplug power cord when machine is not in use.
This machine is equipped with a polarized plug which must be used
with an appropriate electrical outlet.
Connect the machine to a power source as illustrated (1/2).
The power switch is located above the terminal box. Your machine
will not operate unless this switch is on " I ". (1)
Sewing light turns on automatically when the main switch is on " I ".
the machine is regulated by the amount of pressure exerted on the
foot control.
1
2
A
B
- To start the machine,press the foot control (3).The speed of

A
Adjusting the presser foot pressure
Two-step presser foot lever
When sewing several layers or thick fabrics, the
presser foot can be raised a second stage for easy
positioning of the work. (A)
The presser foot pressure of the machine has been
pre set and requires no particular readjustment
according to the type of fabric (light or heavy weight).
However, if you need to adjust the presser foot
fabric, tighten by turning it clockwise.
7
pressure,turn the presser foot pressure dial as shown left.
For sewing very thin fabric,loosen the pressure by
turning the dial counter clockwise,and for heavy

Attaching the presser foot holder
4
b
a
a
c
d
e
f
b
1
2
Attention:
Turn power switch to "O" before carrying out any of the
operations below.
Raise the needle to its highest position and raise the
presser foot lever. Attach the presser foot holder (b) to
the presser foot bar (a). (1)
Lower the presser foot holder (b) until the cut out (c) is
directly above the pin (d). (2)
Lower the presser foot holder (b) and the presser foot (f)
will engage automatically.
Raise the presser foot.
the back of the foot holder. (3)
Attach the seam guide (g) in the slot as illustrated. Adjust
Attaching the presser foot:
Removing the presser foot:
Attaching the seam guide:
3
e
g
8
Release the presser foot by raising lever (e) located at
the distance as desired for hems, pleats, etc....(4)

Winding the bobbin
a
9
1
2Place an empty bobbin on the bobbin winder spindle.
Take the thread from the spool through the bobbin winder
tension disc. (1)
Wind the thread a few times by hand around the empty
bobbin in a clockwise direction. Push the bobbin to the
right towards the bobbin winding position. (2)
Press the foot control gently. The bobbin will stop winding
when it is full. Push the bobbin to the left to "sewing
position" and remove it.
Please Note:
When the bobbin winder spindle is in
"bobbin winding" position, the
machine will not sew and the hand
wheel will not turn. To start sewing,
push the bobbin winder spindle to the
left (sewing position).
a. Spool pin

34
Inserting bobbin
1Attention:
Turn power switch to "O" before inserting or removing the
bobbin.
When inserting or removing the bobbin, the needle must be
fully raised.
Open the hinged cover. (1)
Hold the bobbin case with one hand. Insert the bobbin so
that the thread runs in a clockwise direction (arrow). (2)
Pull the thread through the slot, down and to the left until it
enters the delivery eyelet (rectangular opening) under the
tension spring. (3)
Hold the bobbin case by the hinged latch. (4)
Insert the bobbin case fully into the shuttle race and release
the latch. Make sure that the metal finger fits into the notch
at the top of the race cover. (5)
10
2
5

Caution:
Turn power switch to "O" before
inserting or removing the needle.
Replace the needle at the first sign of
thread breakage or skipped stitches.
Select the correct type and size of
needle for the fabric to be sewn. Turn
Loosen the needle clamp screw (A)
and tighten again after inserting the
new needle. (1)
The flat side of the needle shaft
should be facing away from you (B).
Push the needle up (C) into the
needle clamp as far as it will go (D).
Tighten the needle clamp screw firmly.
The sewing needle must always be
straight and sharp for smooth sewing.
Replace the needle (2) if it is bent (A),
blunt (B) or the point is damaged (C).
Changing the needle
A
B
C
D
11
1
2
AB C
the hand wheel towards you until the
needle is at highest position.

2
12
3
5
1
6
4
Threading the upper thread
Caution:
Before threading, turn power
switch to "O".
Raise the needle bar to its
highest position. Follow exactly
engage the thread in any of the
thread guides, the machine will
not sew properly. (1 5)
Continue to draw the thread down
and into the needle bar thread
guide. Insert the thread through
the eye of the needle from front to
back. Leave about 10 cm (4") of
thread loose behind the needle.
(6)
the numbered threading sequence
illustrated below.
If you skip a step or fail to properly

Raise the needle to its highest
position.
Press lever (A) right down.
The threader automatically
swings to the threading
position (B).
Take the thread around the
hook (C).
Take the thread in front of the
needle round the hook (D)
from bottom to top.
Release lever (A).
Pull the thread through the
needle eye.
Attention:
Turn power switch to off ("O")!
13
2
1
A
B
D
C
A
C
A
C
B
D
Built-in111
Built-in needle threader (optional)

Thread tension
14
3
1
B
C
2
A
Note:
The bobbin thread tension has
been adjusted at the factory and
readjustment is usually not
required.
Lower thread tension
To test the bobbin thread
tension, remove the bobbin case
and bobbin from the machine
and hold the bobbin case
suspended by the thread. Shake
it once or twice. If the tension is
correct, the thread will unwind
by about an inch or two. If the
tension is too tight, it will not
unwind. If the tension is too
loose, the thread will unwind for
more than two inches.
To adjust, turn the small screw
on the side of the bobbin case.
(1)
pper thread tension
Basic thread tension setting: "4". (2)
To increase the tension, turn the dial up to a higher number. To reduce the tension, turn
the dial to a lower number.
A. Normal thread tension.
B. Thread tension too loose.
C. Thread tension too tight.

15
2
Bringing up the lower thread
Hold the upper thread with the left
hand. Turn the handwheel towards
you with your right hand until the
needle goes down and comes up
again to its highest position. (1)
lightly draw the needle thread
forming a loop with the bobbin
thread. The upper thread should
have caught the lower thread in a
loop.
Pull the needle thread toward you
and the lower thread will come up
from the bobbin in a large loop. (2)
Pull about 15 cm. (6") of both thread
away from you under the presser
foot.
1

16
Cutting the thread
Removing the work
Reverse sewing
Reverse sewing is used for locking the end of seams and
where reinforcement is needed. At the end of seam, press
lightly. Sew a few reverse stitches. Release the lever and
the machine will sew forwards again (A).
A
Turn the handwheel towards you to bring the thread take
up lever to its highest position. Raise the presser foot and
draw the fabric away from you.
Hold the threads behind the presser foot. Using both hands,
guide them to the slit (B) at the rear of the presser bar and
press down to cut the thread. You can also use the thread
cutter on the side of the machine.
B
down the reverse sewing lever and press the foot control

Matching needle / fabric / thread
NEEDLE, FABRIC, THREAD SELECTION G IDE
NEEDLE SIZE FABRICS THREAD
9 11(65 75)
12(80)
Lightweight fabrics thin cottons, voile,
Medium weight fabrics cotton, satin,
kettleclote, sailcloth, double knits,
lightweight woollens.
Medium weight fabrics cotton duck,
woolen, heavier knits, terrycloth,
denims.
Heavyweight fabrics canvas, woolens,
outdoor tent and quilted fabrics,
denims, upholstery material (light to
medium).
Heavy woollens, overcoat fabrics,
upholstery fabrics, some leathers and
vinyls.
IMPORTANT: Match needle size to thread size and weight of fabric
NEEDLE, FABRIC SELECTION
14(90)
16(100)
18(110)
Light duty thread in cotton,
nylon or polyester.
Most threads sold are medium
size and suitable for these
fabrics and needle sizes. Use
polyester threads on synthetic
materials and cotton on natural
woven fabrics for best results.
Always use the same thread on
top and bottom.
thread. (Use heavy foot
pressure large numbers.)
Standard sharp needles. Sizes
range thin to large. 9 (65) to 18
(110)
Semi ball point needle, scarfed.
9 (65) to 18 (110)
Full ball point needle 9 (65) to
18 (110)
Leather needles. 12 (80) to 18
(110)
Note:
1. Twin needles, can be purchased for utility and decorative work.
2. When sewing with twin needles, the stitch width dial should be set at less than "2.5".
3. European needles show sizes 65, 70, 80 etc. American and Japanese needles show size 9, 11,
12 etc.
4. Replace needle often (approximately every other garment ) and / or at first thread breakage or
skipped stitches.
Natural woven fabrics wool, cotton, silk,
Natural and synthetic woven fabrics,
polyester blends. Knits polyesters,
interlocks, tricot, single and double
knits. Can be used instead of 15 1 for
sewing all fabrics.
NEEDLES EXPLANATION TYPE OF FABRIC
Leather, vinyl, upholstery. (Leaves
smaller hole than standard large
needle.)
HA 1
15 1
15 1/705H
(SIN)
15 1/705HS
(SUK)
130 PCL
17
serge, silk, muslin,interlocks, cotton
knits, tricots, jerseys, crepes, woven
polyester, shirt & blouse fabrics.
Heavy duty thread, topstitch
etc. Not recommended for double knits.
Sweater knits, swimsuit fabric, elastic.

How to choose your pattern
18
For select pattern
"A" with pattern selector dial (4).
Adjust the stitch length with the
stitch length dial (2). You may
choose any needle position, by
turning the stitch width dial (1).
For , select pattern
"B" with pattern selector dial (4).
Adjust the stitch length (2) and
stitch width (1) according to the
fabric being used.
To obtain any of the other
on the stitch selection panel,
select the letter above the stitch
with the pattern selector dial.
Adjust the stitch length and the
stitch width with the control dials
according to the result desired.
To obtain any of the
, turn the stitch
pattern desired with pattern
selector dial, and adjust the
stitch width with the stitch width
dial.
straight stitch
zigzag stitch
patterns shown in the upper row
patterns on
the second row
GHIJK
CDEF
B
A
1. Stitch width dial
2. Stitch length dial
3. Stitch display
4. Pattern selector dial
5. Reverse sewing lever
1
2
4
3
S1
S2
length dial to "S1",select the
To obtain any of the
pattern desired with pattern
selector dial, and adjust the
stitch width with the stitch width
dial.
length dial to "S2",select the
patterns on
the third row, turn the stitch
5
4
3
21