Instruction Book
3 / 4 THREAD OVERLOOK
MODEL 7234.
POLARIZED PLUG CAUTIOIJI
To reduce the risk of electric shock, this appliance
has a polarized plug (one blade Is wider than the
other). This plug will fit in a polarized outlet only
one way. If the plug does not fit fully In the outlet,
reverse the plug. If it still does not fit, contact a
qualified electrician to Install the proper outlet. Do
not change the plug in any way.
OVERLOOK SEWING MACHINE
Record in space provided below the Serial No.
and Model No. of this appliance.
The Serial No. is located Rear of arm.
The Model No. is located Rear of arm.
Serial No. _________________________________
Model No. 7234
Retain these numbers for future reference.
Foot Controller Model YC-482E for use with Overlooking machine Models SL-1A,
SL-2, 634, 634D, 634DE, 834DW, 3000, 3400, 3400D, 3404, 3404D, 6300, 6600,
and 6700.
This sewing machine is for Household Use
IMPORTANT SAFETY INSTRUCTIONS
When using an electrical appliance, basic safety precautions should always be
followed, including the following:
Read all instructions before using (this
appiiance).
DANGER —^To reduce the risk of electric shock:
An appliance should never be left unattended when plugged in. Always unplug this
appliance from the electric outlet immediately after using and before cleaning.
WARNING --To reduce the risk of burns, fire,
electric shock, or injury to persons:
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 nearest authorized dealer or service center for examination, repair,
electrical or mechanical adjustment.
4. Never operate the appliance with any air openings blocked. Keep ventilation open
ings of the sewing machine and foot controller free from the accumulation of lint,
dust, and loose cloth.
5. Never drop or insert any object into any opening.
6. Do not use outdoors.
7. Do not operate where aerosol (spray) products are being used or where oxygen is
being administered.
8. To disconnect, turn all controls to the off ("0”) position, then remove plug from
outlet.
9. Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.
DANGER
1. Always unplug before relamping. Replace bulb with same type rated 15 watts.
2. Do not reach for an appliance that has fallen into water. Unplug immediately.
3. Do not place or store appliance where it can fall or be pulled into a tub or sink.
Do not place in or drop into water or other liquid.
WARNING
I. Kiip Iffi0«rt away from all moving parts. Special care is required around the sewing
mmlilm rwèdlt.
t, Alwip um Ih» proper needle plate. The wrong plate can cause the needle to break.
a 0# lloHis# bent needles. ^ _
4. Oft not pull or posh fabric while stitching. It may deflect the needle causing it to
br**k.
pr*»t#r foot, etc. . ^
Instruction manual. ^ ,
?, Never operate on a soft surface such as a bed or couch where the air openings
may be blocked.
i. Switch Ih« sewing machine off (“0”) when making any adjustments in tne needle
9féà, inch as threading needle, changing needle, threading bobbin, or changing
§, Always unplug sewing machine from the electrical outlet when removing covers,
lubricating, or when making any other user servicing adjustments mentioned in the
SAVE THESE INSTRUCTIONS
CONTENTS
1. NAMES OF PARTS..................................................................................................................................................... ^
2. PREPARATION FOR SEWING.......................................................................................................................... 2
2-1. Connecting Power Cord............................................................................
2
2-2. Setting Telescopic Thread Stand........................................................................................ 2
2-3. How to Change Threads.................................................................................................................................
2-4. Replacing Needles........................................................................................................................................... ^
2-5. Threading.................................................................................................................................................................. ^
2- 6. Preparation for Sewing and Checking........................................................................................ 6
3. FOUR THREAD OVEREDGING STITCH USING 2 NEEDLES
....................................................
3- 1. Before Sewing...................................................................................................................................................
3-2. Presser Foot Lifter.............................................................................................................................................
3-3. Beginning and Ending of Sewing.......................................................................
7
3-4. Adjustment of The Presser Foot Pressure.................................................................................. 8
3-5. Thread Tension Adjustment.................................................................................................................... g
3-6. Adjustments for Size of Bight............................................................................................................ .j.,
3-7. Stitch Length Adjustment...........................................................................................................................
3-8. Sewing for Curved Seams....................................................................................................................... .J
4. THREE THREAD OVEREDGING STITCH USING ONE NEEDLE
.......................................
3
....
^
y
.|2
2
13
5. ROLL HEMMING
6. CORDED OVERLOOK
...............
.......................................................................................................................................14
.......................
7. REPLACING THE CUTTING KNIVES...
8. CHANGING THE LIGHT BULB
9. LUBRICATION....................
0. TABLE OF SEWING MATERIALS, NEEDLES AND THREAD
1. ACCESSORIES
.........
2. SPECIFICATIONS......................................................................................................................................................... _
.........................................................................................................................................16
.................................................
j..............................
.
.........................................................................................
19
17
1. NAMES OF PARTS
1. Spool pin
2. Presser foot lifter
3. Pressure regulator screw
4. Telescopic thread stand
5. Thread take up lever
6. Thread tension support
7. Thread tension dials
8. Front panel
9. Side cover
10. Stitch length adjuster
11. Presser foot
12. Bite width adjusting dial
13. Upper knife
14. Front cover
15. Handwheel (Right side of machine)
2. PREPARATION FOR SEWING
2-1. Connecting Power Cord
Connect foot controller and power cord ® ®.
Before plugging in your machine, be sure that
voltage is same as that of your machine.
(written on a plate at back of machine).
* Specifications vary from country to country.
V_
V.
/
OFF
13 a
V
ON
J
Put power switch on machine and turn on sewing
light.
J
Always switch off or unplug machine when not in
use.
J
The more you press foot controller, the faster the
machine runs.
When the power switch is turned off, the machine
will not operate even by pressure on the foot
controller.
2-2. Setting Telescopic Thread Stand
Extend the telescopic thread stand to its full
height, then turn it until the shaft clicks into its
locked position.
2-3. How to Change Threads
The machine is supplied with thread but the fol
lowing is an easy way to change them:
(1) Cut the thread in use near the cone spool
(behind the telescopic thread stand). Place the
new thread on the spindle and tie it to the end
of the original thread.
Tie threads
Cut thread
(2) Lower the presser foot lifter to lift up the press
er foot.
(3) Set tensions to 0 so that the thread knot can
pass through smoothly, draw out the looper thread
until the thread knot comes to about 10 cm past
the presser foot.
(4) When changing the needle thread, cut off the
thread knot before it reaches the eye of the nee
dle to avoid bending the needle as the knot is
pulled and caught in the needle’s eye.
To make the above threading easier, use tweezers.
V
J
Cover the spool \with the “NET” as chemical
fibers (fibres) and the like are easily frayed.
When using a real type thread spool, insert the
spool adapter (supplied with the machine) (as
shown).
2-4. Replacing Needles
Replace needles in the following way:
Note: be sure to take out the power supply plug
before replacing needles.
(1) Bring needles to their highest position by
turning handwheel towards you.
(2) Loosen the needle clamp screw and remove
the two needles together.
(3) With the flat side away from you, insert the
new two needles together into the groove of
needle bar as far as it will go.
Use "HA X ISP (705/130)" m(80) or #14(90) or
ones the same as for home-use sewing machine.
2-5. Threading
When threading the machine from the beginning,
threading must be carried out in the following
sequence:
First: Lower looper threading (A)
Second: Upper looper threading (B)
Finally: Needle threading (C, D)
(1) Lower looper threading (A)
Push the front cover to the right, and fold it down
towards you.Take the thread drawn from the spool
and pass it, through guide D of the thread stand
and then, in order, through guides'!) ® (s^ and thread
tension dial '6 . (Fig. A)
Pass the thread through guides® ® ® and is.
Bring the lower looper to the far left position by
turning handwheel towards you, and pass the
thread through lower looper thread guide 11 .
Then, move the lower looper slightly to the right
by turning the handwheel towards you, (Fig. B)
To thread the hole of lower looper :i|, insert the tip
of the looper threader into the looper slot from
the righ of the lower looper, hook the thread onto
the threader and draw it through the looper in the
direction of the arrow. Then thread the hole of
lower looper)iusing tweezers.
Cut the thread leaving about 10cm (4"’) of spare
thread. (Fig. C)
(2) Upper looper threading (B)
• Bring the upper looper to its lowest position by
turning handwheel toward you.
• Draw thread from spool and pass it, through
guide ® of the thread stand and then, in order,
through guides ® ~ ® (Fig. A).
• Thread the hole of upper looper(TJjusing tweez
ers. Cut the thread leaving about 10cm (4") of
spare thread (Fig. D).
• Close the front cover.
(3) Right needle threading (C)
• For ease in threading, push the upper knife
holder screw from A, side with the forefinger of
your left hand * and grasp the right end of the
holder ijC and turn it in the direction of arrow b
with your right hand. (Fig. E)
• Take the thread drawn from spool, and pass it
through thread guide ®~(D, then thread to
the right-hand needle’s eye® from front to
back.
Cut the thread leaving about 10cm (4") of spare
thread. (Fig. A)
(4) Left needle threading (D)
• Take the thread drawn from spool, and pass it
through thread guides 'Z)~^4), ©-is), and thread
the left-hand needle's eye f£) from front to back
(Fig A. E). "
2-6. Preparation for Sewing and
Checking.
• Check that no thread slips off or snaps.
• Confirm that the upper knife moves against the
lower knife correctly by turning the handwheel
slowly towards you. If it is not correct, check if
there is any fabric or waste thread between
knives.
• Turn the handwheel towards you with your right
hand to check that the thread winds around the
stitch finger of the needle plate.
If the thread doesn’t wind around the stitch finger
of the needle plate, check if any threads are
threaded incorrectly.
3. FOUR THREAD OVEREDGING
STITCH USING 2 NEEDLES
3-1. Before Sewing
After threading is completed, and when the threads
are not wound around the stitch finger, gently
draw out the four threads under and behind the
presser foot, and turn the handwheel towards you
by hand two or three times to make the thread
wind on to the needle plate.
3-2. Presser Foot Lifter
For setting average material, there is no need to
lower the presser foot lifter.
When beginning to sew. push the material just in
front of the presser foot and it will be fed through.
For the thick material, lower the presser foot lifter,
place the material under the presser foot, then
raise the presser foot lifter.
3-3. Beginning and Ending of Sewing
(1) Beginning to sew
Just put your left hand on the material to push
it slightly until the tip of the fabric comes exactly
behind the presser foot.
(2) Ending of sewing
Make chain-stitches at the end of the sewing to
prevent the thread from untying and to prepare for
the next sewing.
Draw the finished fabric gently backwards and to
the left as the machine is operating and make
chain-stitches. This is called chain-stitch sewing.
Then cut the thread 2 ~ 5cm (1-2") from the pres ser foot.
* Do not pull it out roughly as the needle will
bend and break.
3-4. Adjustment of the Presser Foot
Pressure
The presser foot pressure is pre-adjusted for
materials of medium (standard) thickness.
Adjustment is necessary only when you work on
very thin or very thick materials.
Accordingly, sew thinner materials with less pres
sure and thicker materials with more pressure.
Increase the pressure of the presser foot by
tightening the adjustment screw.
3-5. Thread Tension Adjustment
Set the balance of the tension as weak as possible.
Balance of the Loopwer thread;
When the lower looper thread is pulled to the
top of material, loosen tension dial (|, counter
clockwise. (or tighten tension dial (4) clockwise.)
When the upper looper thread is pulled to the
underside, tighten tension dial ^ clockwise, (or
loosen tension dial % counter-clockwise.)
(1) Correct tension.
• Lower looper thread and upper thread should
be well balanced with same tension. (Both loop
er threads should make crosses at the edge of
the fabric.)
• Needle thread should not be slacken, or pulled.
(2) Unbalanced upper looper thread wraps
round and over the back:
Tighten the thread tension of the upper looper
( Dial %) or loosen the thread tension of the lower
looper (Dial. < ).
(3) Unbalanced lower looper thread wraps
round and over the face:
Tighten the thread tension of the lower looper
(Dial 4 ) or loosen the thread tension of the
upper looper (Dial 3 ).
(4) Unbalanced left needle thread too loose:
Tighten the thread tension of the left needle
(Dial T)) or loosen both looper thread (Dial ®
and "4)).
(5) Unbalanced right needle thread too loose:
Tighten the thread tension of the right needle
(Dial 2.).
3-6. Adjustments for Size of Bight.
• Adjust the size of the bight from 4.2mm (0.16")
to 6.0mm (0.23") according to the kind of
material.
• The standard bight size is 4.5mm (0.17")
• Open the side cover to adjust the bight size.
(1) If the cutting width is narrower than the bight
size, turn the bite width adjusting dial to the direc
tion of arrow. (To bigger number)
(2) If the cutting width is wider than the bight size,
turn the bite width adjusting dial to the direction of
the arrow, a smaller number)
The right figure shows that the size of the bite
between the left needle and the edge of the
material 4.5mm.
D
4
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cr
1
3-7. How to Adjust Stitch Length
The machine is pre-set to a 2.5mm stitch length
for regular seaming and overedging. You may
adjust the stitch length from 1mm (Narrow rolled
hemming) to 5mm by one-touch of the stitch length
adjustment lever.
^ For normal overedging set the stitch length
from 2.5mm to 5mm. A stitch length less than
2.5mm is used only for rolled hemming.
V
J
3-8. Sewing for Curved Seams
For a neat and clean finish of curved seams;
For inside curves, guide the fabric gently with
the trimming line of the fabric under the right
front of the presser foot, applying pressure to
the fabric with your left hand, at the same time,
apply a little pressure in the opposite direction
with your right hand as shown.
For outside curves, apply pressure in the opposite
directions of the above.
4. THREE THREAD OVEREDGING
STITCH USING ONE NEEDLE
Though this machine is made mainly for 4 thread
stitch overedging using 2 needles, three-thread
stitch overedging using 1 needle can be easily
operated by just removing 1 needle.
(1) By removing the right needle.
Three-thread overedging stitch using 1 needle for
as wide as a 4-thread overedging stitch using 2
needles can be achieved.
Use the left thread tension. (Dial CD ). The bite
width is normaly 4.5 mm.
(2) By removing the left needle.
The right needle sews with a narrow width bite.
Use the right thread tension. (Dial 2,; ) The bite
width is normaly 2.5 mm.
5. ROLL HEMMING
Roll hemming is achieved by adjusting the thread
tensions so that the fabric is overlocked, and
folded under to 1.5 mm in width.
It is ideal for use with thin materials.
(1) Remove the left needle. (Sew only with the
right needle)
(2) Change the presser foot and the needle plate
for roll hemming.
For roll hemming sewing, use the presser foot
marked “B” and the needle plate "B”. (The presser
foot "A” and the needle plate “A” are for normal
sewing).
(3) Set the bite width between 45and 5.5.
(4) Set the stitch length adjuster to 1.
(5) The standard thread tensions are as follows;
Dial®; Needle thread
Dial (3): Upper looper thread
Dial®: Lower looper thread
............................
..............
.................
1 -4 tension.
1 ~ 4 tension.
5~8tension
For roll hem sewing, pass the nedle thread to
the left side (solid line) of thread
guide @ illustrated. [For normal sewing, pass
it to the right side (dotted iine) of thread
guide @.]
At the begining of sewing, gently pull the end of
the thread chain.
For roll hem sewing, pull the material gently
towards the rear of the machine, and you’ll get
the neater stitches.
6. CORDED OVERLOOK
Corded overlook can be used to strengthen stitches
when joining elastic materials such as knitted
fabrics.
There are two ways of corded overlock.
(1) Place the slightly wide cord (about 3mm) under
the right needle, and sew on.
(2) Sew a narrow cord, positioning it on the edge
of the overlooked stitch.
7
. REPLACING THE CUTTING KNIVES.
The upper knife and lower knife are made of a
special long-lasting steel and will seldom have to
be replaced. However, when they do not cut the
fabric even though they are set in the right posi
tion. replace them in the following way;
Before replacing the knife, be sure the power
supply plug is take out.
Move the front cover to the right, then open it
toward you.
(1) Replacing the lower knife:
Loosen the lower knife clamp screw and change
the knife for a new one. Align the top of the lower
knife with the top of the needle plate.
(2) Replacing the upper knife:
Move the upper knife to its lowest position by
turning the handwheel towards you.
Loosen the upper knife screw, while holding the
upper knife. Change the knife for a new one.
Check if the biting position (A of upper knife is
positioned downwords 0.5-1.0 from the top of
biting position of lower knife.
Tighten the upper knife screw.
8. CHANGING THE LIGHT BULB
9. LUBRICATION
CLEANING
First disconnect machine from power supply by
removing plug from the electric outlet.
1. Open front cover and side cover. (See Page 3)
2. Using the brush provided, remove all the dust
and lint that has accumulated.
STORAGE
1. When the machine is not in use, please
disconnect it from the power supply by
removing plug from the electric outlet.
2. Using the vinyl cover provided please cover
your machine when you finish your sewing.
3. Store away from bright and damp places.
SERVICING
Any questions regarding service and or operation
is to be addressed to the store where the machine
was purchased.
10. TABLE OF SEWING MATERIALS NEEDLES AND THREAD
HAxiSP
Needle HAxIT
(705/130)
(For home-use sewing
machine)
Thread
Thin material
(crepe, georgette)
#11
(80)
Polyestel (spun, filament)
#60/2 Twisted thread
~#80/2 twisted thread
(#80/3 Twisted thread
~ #100/3 twisted thread)
(Three-thread overedging
stitch).
Medium to thick
material
(Serge, gabardine, etc.)
#11 #14
(80) (90)
#60/2 Twisted thread
(Three or four-thread
overedging stitch).
Thick material
(thick denim)
#14
(90)
#50/2 Twisted thread
-60/2 twisted thread
(Three or four-thread
overedging stitch).
Thread tension
(Needle thread)
Overedging width
(Between left needle and
edge)
Stitch length
Use ball point needles for Man-Made fibers
Loose
4.2 ~ 4.5mm
2 ~ 2.5mm
(Set the
Medium
balance of looper tensions w
4.2 ~ 4.5mm
2.5 ~ 3mm
Tight
eak).
4.5 - 5mm
2.5 - 3mm
11. ACCESSORIES
12. SPECIFICATIONS
Number of threads
Number of needles
Needles
Width between two needles
Overedge width
Size of bight
4 Threads (3 threads)
2 Needles (1 needle)
Standard HAxISP or HAxIT (705/130) #11 (80)
2mm
Standard 4.5mm (Range 4.2-6mm)
Stitch length
Maximum sewing speed
Machine dimensions
Weight
1 ~5mm
1500 RPM
Width 300mm (Max. 330mm)
Depth 220mm (Max. 220mm)
Height 290mm (Max. 330mm - 570mm)
7.5kg
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