Blue
Jeans ^
Machine
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UIHIT
SEWINQ MACHIIME
CONTENTS
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1. names of parts................................................................... •
2. accessories................................................................................. .................................................4
3
. BEFORE SEWING
rkotai~hina Extension ..................
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”■ ■■"
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crn„.;«ng Fo=.
Changing Needle
....................................................... ............................................................
Bobbin Winding......................................................................................................................8
inserting Bobbin..................................................................................................................
Adjusting Lower Thread................................................................
Drop Feed Lever...................................................................................
Threading Upper Thread..................................................................
Drawing Up Lower Thread.............................................................. .................................
Fabric^ Thread and Needie Table............................................................................
4. STRAIGHT SEWING................................................................................................................
Stitch Length Dial.......................................................................................
presser Foot Lifter.............................................................................................17
Adjusting Thread Tension
5. ZIGZAG SEWING...........................................................................................
Zigzag Width CorttroL...i
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Thread Tension for Zigzag Stitch......................................................................
6. MAKING BUTTONHOLES.................................................................19
Determine Length
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Determine Width.....................................................................................
7. SEWING ON BUTTONS..........................................................................................................
8. OVERCASTING........................................................................................................................23
9. APPLIQUE WORK...................................................................................................................
10. EMBROIDERY
..........................................................................................................................25
11. MAINTENANCE.......................................................................................................................25
Cleaning..............................................................................................................................
Oiling.............................................................................................
12. TROUBLE CHART
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Changing Light Bulb.............................................................................
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2
3
4
7
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.jg
15
18
21
22
24
26
27
28
1. names of parts
1
, Thread guide for bobbin winding
2. Foot pressure regulator
3 upper thread tension dial
4
Face cover
5. Thread guide for upper threading
0 presser foot thumb screw
7. Presser foot
8. Shuttle cover
9. Top cover
10 Bobbin winding spmdie
11
. Screw hole for extra spool pm
12. Zigzag width control
13. Stitch length dial
14. Reverse sewing lever
15. Free arm
17. Handwheel
18. Stop motion knob
19. Socket
20. Handle
21. Presser fcot lifter
22. Feed dog
23. Needle plate
|'"speJfica.ions vary from courtry to oourttry.
¿.. ACUttiSURIES
3. BEFORE SEWINU.
Machine is stored in flat-bed style
which makes your work easier for
ordinary sewing.
Detaching Extension Table
Slide off, and the machine is used
as a tree-arm model.
To open top cover of accessory box,
push open, as illustrated.
Do vice-versa of above steps to at
tach extension table.
Free-arm is convenient to sew or
embroider; trousers, sleeves, cuffs,
T-shirts, blouses, etc.
Connecting Foot Controller and Power Corel
Connect foot controller and power
cord Q) ® .
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.
% Put power switch on the machine
3nd turn on the sewing light.
on and off.
Always switch off or unplug machine
when not in use.
* Specifications vary from country
to country.
The more you press foot controller,
the faster the machine runs.
CAUTION: When machine is not
in use always detach plug from
wall outlet.
Changing Needle
Set needle in the highest position
by turning handwheel towards you.
Loosen needle clamp screw and
take out needle.
With flat face away from you, insert
a new needle into groove of needle
bar.
® and tighten needle clamp screw
firmly.
Always use a straight needle with a
sharp point.
Using defective or worn needles not
only causes stitch skipping, break
age of needles or snapping of
thread: it also can damage hook
and needle plate.
Bobbin Winding
Set needle in the highest position by
turning handwheel towards you .
Open shuttle cover.
Open latch of bobbin case and
remove case.
Release latch of bobbin case and
bobbin comes out easily.
Push back to fold handle.
Open top cover.
Put a spool on spool pin.
Draw thread from spool pin through
thrsHd Quids 3.nd prstonsion dBvics,
following numbers ©,® and®.
Caution:
Spool should be put on spool pin
in the manner of its thread being
drawn from under side of spool.
Wind thread clockwise around bob
bin several times.
Push bobbin onto spindle.
Holding handwheel with your left
hand disengage handwheel by
unscrewing stop motion knob.
Push bobbin to right and press
down foot controller.
Machine stops automatically when
bobbin is full.
Push bobbin to left, to disengage
from wheel.
Take off bobbin from spindle and cut
thread.
Retighten stop motion knob.
If bobbin is wound unevenly as
shown, open top cover and use
screw driver to adjust the guide for
bobbin winding.
trouble
correction
*
9-
insemng
Place bobbin in case with thread
running in direction of arrow.
Guide thread into slot ;a of bobbin
case.
Pulling thread to left, bring it under
tension spring then to delivery
groove B
Adjusting Lower Tension
To test bobbin tension, hang and
shake bobbin case as shown.
At proper tension bobbin case will
gradually drop a small amount.
To adjust tension, turn adjusting
screw with small screwdriver.
Raise needle to highest position.
Leave end of thread of about 10 cm
(4") from bobbin case.
Take hold of latch and push bobbin
case into hook.
Release latch when bobbin case is
fully inserted.
Drop Feed Lever
The lever is in the right side of
shuttle cover. For normal sewing,
move the lever to
To lower feed dog, move the lever
to
AAA
position.
This position is used for button
sewing, darning and embroidery.
AAA
position.
Threading Upper Thread
Raise'oresser foot.
Set take-up lever to the highest po
sition by turning handwheel towards
you.
Open top cover and put spool into
spool pin.
Caution:
Spool should be put on spool pin
in the manner of its thread being
drawn from under side of spool.
Thread, following numbers ®-®.
Pass thread through guide ©then
to ®.
Lead thread thru either side of ten
sion disc ®.
Hook it to lower guide ® from right
to left upwards. '
Thread take-up lever (D.
Pass thread to guide © from right
to left, and needle guide© (use left
one) then to needle eye ®.
Allow about 15cm (6") of thread
extra.
Drawing Up Lower Thread
Hold the end of upper thread with
left hand.
Turn handwheel slowly towards you
until needle moves down and up
again.
Pull upper thread slowly and lower
thread will be brought up in a loop.
Pull out both threads about 15cm
(6") and place them together under
presser foot to left.
NOTE: Always place thread to the
back or left when starting to sew
a seam.
Failure to do this may cause
thread jamming.
Foot Pressure
To increase the pressure, turn the
regulator clockwise: and to reduce
the pressure, turn the regulator
counter-clockwise.
Insufficient pressure may cause
poor feeding of the fabric, skipped
stitches, or difficulty in guiding the
fabric. If feed dogs or presser foot
marks appear on the fabric,
reduce the pressure.
When sewing multiple thickness
or heavy fabric, reduce the
pressure. Increase pressure when
sewing lighter weight fabrics.
_14-
4. STRAIGHT SEWING
Set machine as shown.
Stitch Length Dial
Set dial at indicating point @ ac
cording to stitch size required.
For a longer stitch, turn dial to right.
For a shorter stitch, turn it to left.
For normal sewing it is set between
2 and 3.
r
-15-
riauc iciwi
(0.4") inside the edge.
Lower presser foot lifter.
Double Presser Foot Lifter
In order to obtain wider gap when
using very thick materials, firmly
push presser foot litter up as far as
it will go.
To reinforce seam, sew backwards
to the edge of fabric by pushing
down reverse sewing lever.
Hold lever down for longer reverse
sewing.
Release lever and commence for
ward sewing, guiding fabric by hand
as it is fed.
Never pull material.
Sew reverse stitches for reinforce
ment at end of seam.
Draw fabric to left when sewing is
finished.
Cut threads with thread cutter
bsilind pr©ss8r bâr.
Adjusting Thread Tension
Test stitch performance on a scrap
of material you are going to use.
With correct tension ( ®), upper
and lower threads tension is equal
and strong enough to lock both
threads in center.
If upper tension is too tight (loose),
upper (lower) thread lies straight
along upper (lower) surface of fabric
((b © )■ Correct by turning ten
sion dial.
Set machine as shown.
To prevent seam ends unravelling,
set machine for straight stitch and
sew in reverse at beginning and
ending of seam.
Zigzag Width Control
Set control at required number.
Larger the number, wider the stitch.
Set it at 0 for straight sewing.
Make sure needle is in upper posi
tion when you set control, and
extra thread is placed to the left or
rear.
Thread Tension for Zigzag Stitch
Better-looking zigzag stitching
requires less upper tension than
straight stitching.
Loosen upper tension slightly.
6. MAKING BUTTONHOLES
Determine Length
Measure diameter and thickness of
button and add 0.3cm (1/8") for bar
tacks. ,
Mark buttonhole size on material.
Determine Width
Determine width according to di
ameter of button, its thickness, and
kinds of material.
Set machine as shown.
length of a
buttonhole
marking j
1
0.3cm(1 /8"
diameter
thickness.
Bar tacking:
Sew 5-6 zigzag stitch.
Stop machine with needle in the
upper position.
r
lu
v_
-19-
ten siae;
Re-set zigzag width and stitch
length as shown.
Sew left side of buttonhole with
closely spaced zigzag stitch.
Bar tacking:
Re-set machine as shown.
Sew bottom bar tack.
Right side:
Re-set machine.
Set needle down in fabric in middle
of bar tack and turn material 180°.
Complete buttonhole.
Quick finish:
To prevent unstitching, set zigzag
width at 0 and proceed for a few
stitches.
Cut buttonhole along center with
knife.
7. SEWING ON BUTTONS
Set machine as shown.
Position a button and material un
der foot. When needle comes to left
side of stitch, lower foot. Raise
needle and adjust zigzag width so
that needle comes to right hole of
button.
Make one stitch be certain that nee
dle is aligned with botton’s holes.
Run machine at medium speed and
sew 5-6 z'gzag stitches.
Stop machine when needle is in
upper position.
@ Set zigzag width control to 0,
align needle with button’s hole and
sew 3-4 stitches to prevent stitches
from unlocking.
OR
(5) Remove work and cut off
threads.
Draw thread ends through to wrong
side and tie a knot.
8. OVERCASTING
For light weight material;
Set machine as shown.
Overcasting prevents edge of fabric
from fraying and produces neat
finish.
Sew carefully so that all stitches on
right side are flush with edge of
fabric.
-22-
9. APPLIQUE WORK
Set machine as shown.
Draw design on material to be used
as an applique and cut it out.
Place cut-out on base material and
baste it.
Sew around outline with zigzag
stitch adjusting stitch length and
width according to shape and size
of cut-out and type of base material.
To change direction at corners, or
to sew very small circles, stop
machine, positioning needle just
away from edge of cut-out, lift press
er foot and turn material. Lower
presser foot and continue sewing.
Sew a few stitches at end with zig
zag width at 0. This is to prevent unstitching.
Nee d le
No. 9
Thr ea d
120 -1 00
10. EMBROIDERY
Set machine as shown.
Remove foot, and holder screw.
To avoid lower thread being pulled
up, reduce upper thread tension.
For good embroidery, it is important
to use correct needles and thread.
Use thin embroidery silk for upper
thread and a thinner silk of same
kind and color for lower thread.
V .
No. 11
No. 14
100 -8 0
60- 50
Trace your design on material and
center it in embroidery hoop.
Made sure material is taut.
J
Pull up lower thread by turning
handwheel towards you while hold
ing upper thread lightly.
Lower presser foot lifter.
Grasp lower thread then make two
or three stitches, snip off excess
threads.
Start sewing along outline of design
with satin stitch.
Continue sewing with guiding hoop
by hand.
To finish filling, sew several stitches
with zigzag width at 0.
Lay typewriting paper underneath
when embroidering sheer fabric.
11. maintenance
and oiled once a month.
Cleaning
Remove toot and needle.
Remove needle plate.
Brush off all dust and lint on feed
dog with cleaning brush.
Turn latches outwards.
Remove hook race cover.
Remove
Remove and a soft cloth,
a cleaning brusn anu a
12. TROUBLE CHART
PROBLEM
Breaking lower
thread
Skipping stitches
Irregular stitches
The materia! not
fed correctly
PROBABLE CAUSE
Thread not wound evenly on the bobbin
or not drawn up correctly
Lower thread tension too tight
Lint stuck in the bobbin case and inside
the tension spring
Needle not fully inserted
Needle bent
Size or type of needle and thread not
suitable for the materia!
Incorrect upper threading
Too much oil on the hook
Incorrsct size of nesdlo for the material
Upper thread tension too loose
Incorrect lower tension
Incorrect feed dog height
Lint stuck on the feed dog
CORRECTION
P.9, P.13
P.11
Remove lint
and fluff with a
cleaning brush
P. 6
P. 6
P.14
R12
P.26
P.14
P.17
P.11
P.11
P.25
-27-
PROBLEM
The material
puckers
Breaking needle
.......^UH aHHciicHi m me macni
Do not try to correct fault by yourself.
Upper or lower thread tension too tight
Stitch too long for material
Thread too thick
incorrect threading of upper or lower thread
Needle not correctly inserted
Needle bentNeedle clamp screw too loose
Upper thread tension too tight
N©0di© too fin© for til© mstofial
Oisis snci ¡©vsrs lisvs chsiiQ©d whii©
the needle was down in the materiai
PROBABLE CAUSE
j
CORRECTION
P.11, P.17
R15
P.14
R12, RIO
P. 6
P. 6
P. 6
P.17
P.14
P.18
Changing Light Bulb
Unplug the machine.
Open face cover as shown.
Remove bulb by unscrewing it
counterclockwise.
Install a new bulb by screwing it
clockwise.
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