Luby JG-1602 User manual

Sewing Machine Manual
JG-1602
Thank you for purchasing
our sewing machine.
Please read this user manual carefully to use the machine correctly.
Before using the machine, please read "instructions for safe use"
Keep this manual in asafe place for reference.
If you have any questions to our products, please contact us by E-mail:[email protected]. Our customer services are always
ready to offer you a satisfying solution.
•
•
•

Contents
.......................................................................
Names of parts and accessories
Sewing Basics
..................................................................
Various Type of Sewing
..........................................................
Replacing the Needle and Thread
..................................................
Stitch Adjustment (thread tension)
...............................................
Troubleshooting
.................................................................
1
2
3-4
5-7
8-11
12
13-14
Contents
................................ ......................
1
Sewing tips:
Turning the handwheel to make sewing more
smoothly.
1.Turn the handwheel one round before each
2.After changing the stitches,turn the
3.After sewing,turn the handwheel one
sewing starts.
handwheel one round.
round,and lift the needle,then take the
fabric out.

This section provides the names of JG-1602 parts and accessories.
After purchasing the product, make sure you have all parts.
2
Names of parts and accessories
Foot pedal/Automatic switch
Pin
Stop poling
Upper thread spindle
Thread cap
Upper thread
Pattern selection dial
Hand wheel
Needle track panel
Reverse
Presser foot lifter
Tension disk
Take-up lever
Upper thread
tension dial
Thread cutter
Presser foot lock lever Needle clamp screw
Presser foot
Thread guide
Afabric test piece is set
in the machine at time of
shipment from the factory.
Remove this piece before
using the machine for better sewing sleeves .
Feed dog
Hook cover plate
Hook cover plate
release button
Foot pedal
Accessories (included)
Buttonhole
presser foot × 1 Threader × 1
Needle× 3
Spool × 2 Bobbin x 2

6Lower the presser foot lifter to fasten the fabric.
5Turn the hand wheel toward you
the position where you wish to start sewing.
1Make sure the upper thread and the bobbin
thread have been correctly installed.
See page 11 to 12 for instructions about threading
the upper thread and the bobbin thread.
3Turn the pattern selection dial to select the
stitch pattern.
Here,Set the machine for "straight stitch."
4Raise the presser foot and place the fabric
under it.
When you use the sewing machine for the first
time, remove the test piece (this is a piece of
fabric used for test sewing when the machine is
shipped from the factory).
The light will illuminate when the adaptor is plugged in .
Let's try making a straight stitch, the most basic
kind of sewing.
2Turn the hand wheel toward you
to raise the take-up lever
to their highest position.
Pull the upper thread and the bobbin thread together
so they come out behind the needle by about 10 cm.
Make sure that the upper thread and the bobbin
thread come out beneath the pressure foot.
When rotating the , make surePattern selection dial
the needle is in the raised position.
Sewing basics
“A”
(counterclockwise) to lower the needle to
(counterclockwise)
and the needle
3
7
Make sure that the Foot pedal / Automatic
switch is set to “ ” and the adaptor is plagged
in.

9When you have finished sewing, rotate the hand
wheel toward you (counterclockwise) to raise
the needle and the take-up lever, and
the presser foot lifter.
10 Remove the fabric and cut the thread with the
thread cutter.
●When reverse stitching
The machine will sew in
reverse only while the leverreverse
is pushed down.
*The thread is unlikely to become
loose if you reverse stitch when
you start or end sewing.
8Start sewing again while pressing the fabric
gently.
4
Rotate the fabric.
5
Lower the presser foot lifter to begin
sewing again.
If the thread is caught and you cannot remove
the fabric, rotate the hand wheel back and forth
slightly to make it easier to remove the thread
and the fabric.
Hints
Note
How to use the foot pedal/
automatic switch
: The machine will automatically run slowly.
：The machine will automatically run quickly.
: Stop the sewing machine
/Foot pedal switch.
4
3
Sewing basics
Reverse lever
raise
4
●When changing sewing direction
1
: Stop the sewing machine.
2
Lower the needle by turning the hand wheel
toward you (counterclockwise) to insert
the needle into the cloth.
3
Raise the presser foot lifter to raise the
presser foot.
Make sure the Foot pedal/Automatic switch is
“ ” position. The machine will run only while you are
pressing the pedal with your foot.
When using the foot pedal(one speed foot pedal)

You can choose from 12 different stitches by turning the pattern selection dial.
If you want to change the stitch while sewing
When sewing tubular items
Slide tubular items like sleeves and trouser legs over the arm so you
can sew them.
Mark Type
Straight stitch Blind stitch Buttonhole sewing Zigzag stitch
Presser
(Normal presser foot)
(Presser foot for
buttonhole sewing)(Normal presser foot)
Uses
Hemming
Sewing cuffs, etc.
Sew around the
buttonhole.
(See page 9)
fabric (overcast stitching)
·Applique
·Patchwork, etc.
Fine
stitches
Coarse
stitches
2
Stitches can be used when sewing two layers of
fabric too.
The straight stitch is best when you are sewing
soft fabrics or silks.
Hints
Turn the pattern selection dial to align with the mark
indicating the desired stitch.
Hints
It is helpful to remove
the auxiliary table when
you sew tubular items like
sleeves.
Caution
Do not turn the pattern selector dial while the machine is
running or while the needle is in the fabric. Doing so can
result in the machine damage.
1Stop the machine, rotate the hand wheel toward you
(counterclockwise), and move the take-up
lever and the needle to their highest position.
Finishing the edge of the
Various types of sewing
Auxiliary table
5
Pattern selection dial Mark

Buttonhole sewing
You can sew buttonholes by using the buttonhole presser foot accessory.
We recommend that sew a few pieces before you sew actual material.
Install the buttonhole presser foot
5
1Raise the presser foot and lift the needle
to its highest position.
2Raise the presser foot lifter and remove the
presser foot.
3Hold the buttonhole foot and place itpresser
under the holder.
Align the presser foot pin so it lines up right
under the holder.
4Lower the presser foot to lower the presser
foot holder.
Raise the presser foot lock lever to secure the
presser foot to the presser holder.
Presser foot holder
6Raise the presser foot lifter, pass the upper
thread and the bobbin thread through the
buttonhole presser foot so they come out from
the side.
Click!
Buttonhole footpresser
Buttonhole footpresser
Presser foot lock
lever
Pin
Start mark
Top mark
Various types of sewing
6

Various types of sewing
Sewing buttonhole
11
2 the fabric beneath the presser foot.
the left .
removable . Move the slider frame toward
3
9
needle thread
bobbin thread
4
5
6
7
8
9
needle is in its high position.
Select Pattern selection dial to “G” to sew right
side bar tack.
Select Pattern selection dial to “H” to sew back
bar tack for 4 or 5 stitches.
Select Pattern selection dial to “I” to sew left side
bar tack until the needle reaches the stitches sew
in step 6.
Select Pattern selection dial to “H” to sew front bar
tack for 4 or 5 stitches.
Pattern
selector
dial
2 4
Your sewing will be neater if
you guide the fabric as it passes
through the machine.
Hints
Caution
Stop the sewing machine and raise the needle and the thread
tension lever to their highest positions when you rotate the pattern
selection dial. Turning the dial while the machine is running
can damage the machine.
Caution
Be careful not to put your hand in front of the seam
ripper. Doing so can result in injury.
Insert a dress pin in front of the bar tacking
and use a standard seam ripper to cut the
buttonhole open.
When you have finished sewing, pull the fabric,
and cut the thread.
To keep the thread from unraveling, pull out the
upper thread from the rear of the fabric and tie
it off with the bobbin thread.
then follow the
steps below in
order indicated
while changing
the stitch
selection dial.
Buttonhole length
( Button diameter +
button thickness)
10
11
2
1
you so that the top mark on the slider meets
the start mark.
Using tailor’s chalk, mark the position
of the buttonhole on the fabric.
Attach the buttonhole presser foot and place
Slider frame of buttonhole is
Draw both of needle and bobbin thread to
Choose the buttonhole length as per your
requirement by stopping slider frame movement.
Please see the following picture.
Lower presser foot lifter and make sure the
7
: end of sewing
78
9
6

Threading the upper thread
6Rotate the to raise thehand wheel
needle to its highest position
and pass the thread through
the eye of the needle from
the front.
Use of the needle threader
1
Pass the tip of the needle threader
through the eye of the needle from the
rear of the machine to the front.
2
Pass the thread through the ring.
3
Gently pull on the needle threader to
pass the thread through the eye of the
needle from the front toward the rear.
1
2
3
Replace the thread as follows when you run out of thread
or if you want to change thread color.
4Pass thread through the
take-up lever. When the
take-up lever is in its lowest
position, rotate the hand wheel to
its highest position.
Take-up lever
5Turn the to bringhand wheel
the take-up lever to its
lowest position and pass
the thread through the
thread guide.
1
Remove the thread
cap, place a spool
of sewing machine
thread on the spindle,
and place the
thread cap.
Pass the thread through
the upper thread guides.
3
Upper thread
guides
Through
Place the thread
through the thread
tension disk and
pass the thread
through the groove
2
2
3
4
5
6
the groove
1
.
Replacing the needle and thread
8
Caution
Make sure the switch is turned ““
threading the machine
” when

7Attach the hook cover plate.
Threading the bobbin thread
Thread the upper thread before threading the bobbin thread.You will not be able to bring up the bobbin
thread unless you have already threaded the upper thread.
1
2
3
4
5
6
Rotate the toward you hand wheel
(counterclockwise) to raise the needle to its
highest position.
Lift the presser foot lifter.
Pull the hook cover plate forward to remove it.
Pull out about 10 cm of thread from the bobbin
and insert the bobbin so it winds to the right.
Hold the end of the upper thread and rotate the
hand wheel toward you (counterclockwise) while
pulling on the upper thread until the bobbin
thread emerges from the bobbin thread hole.
Pull the bobbin thread when it emerges from
the bobbin thread hole.It's easier to pull the
thread out if you use a rod with a small tip.
Pass the upper and bobbin threads to the rear
under the presser foot, pulling them out together
about 10 cm.
See the instructions on the next page for winding thread onto an empty bobbin.
Note
The upper and bobbin thread must be correctly
installed. Sew a test piece to make sure the machine
is sewing correctly and then begin sewing your project.
Be sure to use metal bobbins.
Caution
Upper
thread
Bobbin
thread
gently
Replacing the needle and thread
9

Winding thread onto the bobbin
Slide the bobbin winding spindle to the right.
6Stop the machine after you have wind the
appropriate length of thread onto the bobbin.
This is how you wind thread onto an empty bobbin (Make sure the needle thread is not be threaded ).
7Slide the bobbin winding spindle back to the
left and remove the bobbin from the spindle.
Be sure to use metal bobbins.
Caution
3
4
1Place a spool of sewing machine thread onto
the thread spindle and place the thread cap,
winding the bobbin
*Be careful because the
needle will move up and
down.
2
8Cut the bobbin thread
As shown in the drawing, the thread passes
through the bobbin hole, and is winded 3-4
times to the right around the bobbin.
Align the groove in the center of the bobbin
with the fitting on the bobbin thread winding
spindle and press down.
Cut the thread
short.
Replacing the needle and thread
or place the thread spool on the desk( If the
thread spool is big .)
10
Thread cap
Thread spindle
5 Move the switch to
.
"I " or "II " to start

Replacing the needle
1Rotate the hand wheel toward you
and raise the needle to
drawing.
2While holding the used needle, use a
coin to loosen the needle clamp screw
counterclockwise to remove the needle.
*Remove the needle and dispose of it
appropriately.
Needle
3Insert a new needle in the needle clamp so
that the flat part faces the back, turn the needle
clamp screw clockwise, and tighten the needle
in place.
Make sure to push the needle all the way
needle may break.
4Slowly rotate the hand wheel towards you to make
sure that the needle is functioning properly.
Use the following method to replace the needle if the needle becomes bent or broken.
Coin
Note
When installing or removing the needle, rotate the
hand wheel to adjust the needle to a convenient height.
If not, the
approximately the
(counterclockwise)
(counterclockwise)
(clockwise)
bobbin/
Replacing the needle and thread
into the clamp and in you fully insert the
needle.
position indicated in the
11
Caution
To prevent accidents when replacing the needle, be sure to turn the switch“ ”. It is even safer to remove
and the AC adaptor.)

Try a few test stitches before you start sewing to check on the condition of the thread.
Since thread tension will vary depending on the type of fabric used, do some test sewing when
fabrics to check on the condition of the thread.
In normal stitches,
the upper thread in the bobbin
thread will cross in the fabric.
The upper thread should appear straight
Slowly toggle the upper thread tension
dial upwards to adjust the thread
tension until the stitches return to
normal.
The upper thread is too tight.
The thread tension increases as the mark
pattern becomes bigger.
Caution Use either the bobbin that is provided as an accessory or an off-the-shelf metal bobbin.
Thread tension cannot be adjusted if you use a plastic bobbin.
The bobbin thread should appear straight
The upper thread is too loose
you change
Slowly toggle the upper thread tension dial
downwards to adjust the thread tension
until the stitches return to normal.
The thread tension reduces as the mark
pattern becomes smaller.
Stitch adjustment (thread tension)
12

SolutionCause
AC adaptor are not installed
correctly.
Make sure the AC adaptor are
oriented correctly and reinstall
them. See page 5.
AC adaptor are dead.
No power supply.
Install new the AC adaptor
Turn the power supply switch
ON and supply power.
Thread keeps
breaking.
Knots and
tangles in the thread.
Upper thread or bobbin thread
threaded incorrectly.
Needle is bent.
Needle
incorrectly installed.
Too much thread tension.
Use scissors to cut out
thread knots and tangles.
For upper thread, see page 9.
For bobbin thread,see page 10
to thread the machine correctly.
Remove the old needle,
Install the new needle.
See page 11.
Install needle correctly.
See page 11.
Turn the upper thread
adjustment dial for 3-5 degrees
and loosen thread tension.
See page 12.
Bobbin thread does not
come out from the bobbin.
Out of bobbin thread.
Incorrect threading.
Wind thread onto the bobbin
or install a loaded bobbin.
See page 9 to 10 for
reference.
Thread the needle correctly
(from the front).
Stitches not regular.
Upper thread
not threaded correctly.
Correctly thread the upper
thread. See page 10.
Needle is bent.
Dust buildup
in the bobbin case.Clean the bobbin case.
Remove the old needle,
Install a new needle.
See page 12.
Problems
When you think the machine may be malfunctioning due to problems while you are using it,check the following:
Lamp does not illuminate.
Machine runs slowly.
Machine does not run.
Troubleshooting
13

Stitches are loose or
uneven.
Upper thread does not feed
properly from the thread spool.
The upper thread is too loose.
Reinstall the spool and make
sure the spool turns smoothly.
See page 12.
Threat gets tangled and
does not work.
Thread gets tangled inside.
Turn off the power and slowly
turn the pulley toward you to
pull out the tangled thread.
Stitch (thread tension)
out of adjustment.Using a non-metallic bobbin.Use a metal bobbin.
Needle gets stuck
in thick fabric.
Needle does not penetrate
smoothly.
Set the operating switch
to STOP, turn the pulley
toward you, try making 2-3
stitches, and then move the
operating switch.
Needle breaks.
The needle is bent
or deformed.
Needle
incorrectly installed.
Needle clamp screw is
loose.
Remove the old needle,
Install a new needle.
See page 11.
Install needle correctly.
See page 11.
Firmly tighten the needle
clamp screw. See page 11.
Problems Cause Solution
Needle hit needle
plate or foot presser The needle is bent or deformed Install a new needle
Troubleshooting
14
Power supply
DC 6V 1.2A
Weight About 2.5 kg
Size (LxWxH)32x13x 30 (cm)
Specifications