typical TC3020GB User manual

INSTRUCTION BOOK
TC3020GB
ELECTRONIC PATTERN SEWING MACHINE

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CONTENTS
1. Major Parts………………………………………………………………………………………………1
2. Specifications……………………………………………………………………………………………2
3. Installation Methods………………………………………………………………………………………3
3.1 Removing the machine head fixing bolts……………………………………………………………………3
3.2 Installing the electric control box……………………………………………………………………………4
3.3 Installing the oil pan………………………………………………………………………………………5
3.4 Installing the machine head…………………………………………………………………………………5
3.5 Tilting back and returning the machine head…………………………………………………………………6
3.6 Installing the eye guard………………………………………………………………………………………7
3.7 Installing the cotton stand……………………………………………………………………………………7
3.8 Lubrication…………………………………………………………………………………………………8
4. Preparation before Sewing………………………………………………………………………………9
4.1 Installing the needle…………………………………………………………………………………………9
4.2 Operating the pedal foot switch………………………………………………………………………………9
4.3 Threading the upper thread…………………………………………………………………………………10
4.4 Winding the lower thread…………………………………………………………………………………12
4.5 Installing the bobbin case…………………………………………………………………………………13
4.6 Thread tension……………………………………………………………………………………………14
4.6.1 Lower thread tension……………………………………………………………………………14
4.6.2 Upper thread tension………………………………………………………………………………14
4.7 Home position detection……………………………………………………………………………………15
5. Use of touch screen……………………………………………………………………………………16
5.1 Setting program……………………………………………………………………………………………16
5.2 Programming with icons……………………………………………………………………………………21
5.3 Programming with commands……………………………………………………………………………37
5.4 Formatting media…………………………………………………………………………………………43
5.5 Checking program…………………………………………………………………………………………44
6. Sewing……………………………………………………………………………………………………47
6.1 Sewing method……………………………………………………………………………………………47
6.2 Using the STOP switch……………………………………………………………………………………48
6.3 Using the thread wiper switch……………………………………………………………………………48
7. Maintenance……………………………………………………………………………………………………49

7.1 Cleaning the rotary hook……………………………………………………………………………………49
7.2 Waste oil……………………………………………………………………………………………………49
7.3 Checking the regulator……………………………………………………………………………………50
7.4 Cleaning the control box air inlet ports……………………………………………………………………50
7.5 Cleaning the eye guard………………………………………………………………………………………50
7.6 Checking the needle…………………………………………………………………………………………50
8. Standard Adjustments…………………………………………………………………………………………51
8.1 Adjusting the thread take-up spring…………………………………………………………………………51
8.2 Adjust arm thread guide……………………………………………………………………………………52
8.3 Adjusting the needle bar height……………………………………………………………………………52
8.4 Adjusting the needle bar lift amount…………………………………………………………………………52
8.5 Adjusting the driver needle guard…………………………………………………………………………53
8.6 Adjusting the needle clearance……………………………………………………………………………53
8.7 Adjusting the shuttle race thread guide……………………………………………………………………53
8.8 Adjusting the rotary hook lubrication amount………………………………………………………………54
8.9 Adjusting the position of the movable knife…………………………………………………………………55
8.10 Replacing the movable and fixed knives…………………………………………………………………57
8.11 Installing the feed plate……………………………………………………………………………………58
8.12 Adjusting the thread wiper………………………………………………………………………………59
8.13 Presser foot installation position…………………………………………………………………………59
9. Table of error codes………………………………………………………………………………………………60
10. Troubleshooting………………………………………………………………………………………………64

1.Major Parts
(1) STOP switch
(3) Power switch
(4) Work clamp switch
(5) Start switch
(6) Controi box
(7) solenold valve
(8) Touch screen
(9) Thread wiper switch
(10) Pulley
(11) Cotton stand
Safety devices:
(12) Finger gaard
(13) Eye guard
(14) Thread take-ap cover
(15) Motor cover
1

2. Model
M Medium Heavy Material
H Heavy Material
X Super-heavy Material
Sewing machine Lock stitch,pattern tacking sewing machine
Line Sing-needle flat seam
Highest sewing speed 2,700 rpm
Sewing area Max.300×200mm
Cloth feeding mode Intermittent feeding(Servo motor drive mode)
Stitch Length 0.05-12.7mm
Maximum stitch amount 20,000 needles/1 pattern
Storage amount of stitches 500000 stitch can be stored
Presser foot drive method Pneumatic
Press foot height Max. 30mm
2- step presser foot All-in-one presser foot
Big foot presser height Max. 30mm
Big foot presser method All-in-one presser foot
Rising amount of
intermittent foot presser 22mm
Stroke by intermittent
presser foot 0 or 2-10mm（Factory defaults：3mm）
Thread Wiper Standard facility
Cutting device Standard facility
Customer program amount 50
Recyle programme No. 9
Motor AC servomotor 550W
Weight Head：About 150kg
Power Single phase100~120V、200~240V、3-phase200~240V、
380~415V、350V
Air pressure 0.5Mpa、1.8L/min
TYPICAL
·TC-3020 ·
2

3. Installation Methods
3.1 Removing the machine head fixing bolts
CAUTION
Please entrust the dealer or a qualified
electrician to carry out the electric
wiring.
he  sewing machine weighs 160 kg.
Please use a crane to mount the sewing
machine and adjust the height of the
worktop.
If handled by workers, it would be easy to cause
low back pain and injuries.
Do not connect the power cord until
installation is complete.
If the foot switch is depressed by
mistake, the sewing machine might start
operating and injury could result.
If using a work table which has casters,
the casters should be secured in such a
way so that they cannot move.
Hold the machine head with both hands
when tilting it back or returning it to
its original position.
In addition, do not subject the machine
head to extra force while it is tilted
back. If this is not observed, the
machine head may become unbalanced and
fall down, which would result in serious
injury or damage to the sewing machine.
All cables should be placed at least 25mm
away from the movable part. Additionally,
don’t overbend the cable or fix it too
tight with clips,
which may cause fire or electric shock;
The machine must be grounded.
Unsecured grounding may result in electric
shock or false operation.
Install the safety covers to the
machine head and motor.
If the sewing machine was
already installed to the table
when it was delivered, remove
the two machine head fixing
bolts (1) [2 pcs] and the two
plain washers (2) [2 pcs].
Installation should be performed by
well-trained technicians.
3

3.2 Installing the electric control box
CAUTION
Installation should be performed by two people or more since the control
box is heavy. Also, please don't let the control box slip down.
It may hurt your feet and cause the control box to malfunction.
Before installation, please confirm the
model name on the nameplate (a) of the
control box (1) and the electric control
box used by the sewing machine SP-3020AS.
Tilt the machine head if the sewing machine
*has already been installed to the table.
(1) Control box
(2) Bolts [4 pcs.]
(3) Plain washers [4 pcs.]
(4) Spring washers [4 pcs.]
(5) Nuts [8 pcs.]
[Note]
Check that the control box (1) is at least
10mm away from the leg of the table. If the
control box (1) is too close to the leg, it
may cause the sewing machine to
malfunction.
(6) Power switch
(7) Wood screws [2 pcs.]
SP-3020AS
4

I
I
 il pan
 ood srews  ps
 iler
 upport leer ase
 Plain washers  ps
 pring washers  ps
 olts  ps
1Plae the ahine head onto the tale
ote
·se a rane or hoist to install the sewing
ahine
·e areful of the following when lowering the
ahine head onto the tale
！ o not let an ords get laped etween
the ahine head and the tale
！ o not plae the ahine head ushion 
on top of the oil pan a or the support
leer ase 
！ o not let the side d of the safet
swith leer touh the support leer ase

 uer ushes  ps
 inge holders  ps
 Plain washers  ps
 pring washers  ps
 olts  ps
5

3.5 Tilting back and returning the machine head
2）After placing the machine head onto the
table,
remove the bolt (6) and the spacer (7).
*The bolt (6) and the spacer (7) are necessary
for securing the support lever (8) when the
machine head is removed from the table, so keep
them in a safe place.
3）Pass the support lever shaft (9) through the
hole in the support lever base (10) and through
the groove (f) in the support lever (8), and
push it in until it is flush with the surface
of the support lever base (10).
*If it is difficult to pass the support lever
shaft (9) through the groove (f) in the
support lever (8), move the end of the support
lever (8) up and down while passing the
support lever shaft (9) through.
CAUTION
Hold the machine head with both hands when tilting it back or returning it to its
original position.In addition, do not subject the machine head to extra force while it
is tilted back. If this is not observed, the machine head may become unbalanced and
fall down, which would result in serious injury or damage to the sewing machine.
Always be sure to engage the stopper of the support lever (1) when tilting back the
machine head.
If the stopper is not engaged, the machine head may return to its original position and
your hands may get caught and injury may result.
When disengaging the stopper, hold it by the knob (a).If you hold at the place
indicated by (b), your hand will get caught between the support lever (1) and the table
when the machine head is returned to its original position and injury will result.
disengaging the stopper
using the stopper
The head of a sewing machine falls down or
erected. It can be broken down or erected
in three stalls.
6

3.6.Installing the eye guard
3.7 Installing the cotton stand
CAUTION
Attach all safety devices before using the sewing machine.
If the machine is used without these devices attached, injury may result.
(1) Eye guard assembly
(2) Screws [2 pcs.]
（1） Thread stand
[NOTE]
Fit the washer (2), and then securely
tighten the nut (3) so that the cotton
stand does not move.
7

3.8 Lubrication
CAUTION
Do not connect the power cord until lubrication is complete.
If the foot switch is depressed by mistake, the sewing machine might start operating
and injury could result.
Be sure to wear protective goggles and gloves when handling the lubricating oil and
grease, so that they do not get into your eyes or onto your skin. Otherwise,
inflammation can result.
Furthermore, do not drink or eat the lubricating oil or grease, which may cause
diarrhea or vomiting.
Keep the oil out of the reach of children.
·The sewing machine should always be lubricated
and the oil supply replenished before it is used
for the first time, and also after long periods
of non-use.The recommended oil to use is <Exxon
Mobil Essotex SM10; VG10>.
·Use only the lubricating oil specified by the
Company.
1）
Fill the arm oil tank and the bed oil tank with
oil.
[NOTE]
Be sure to fill the machine with oil when the
oil level is down to about one-third full in
the oil sight glass (1). If the oil drops below
the one-third level of the oil sight glass (1),
there is the danger of malfunction due to the
burn of machine.
2）Pour oil in through the two holes (2) of the
shuttle race base assembly so that the felt is
lightly moistened.
[NOTE]
If there is no more oil on the felt of the
shuttle race base assembly, problems with
sewing may result.
3）If using the needle cooler (3), fill it with
silicon oil (100mm2/s).
8

4.Preparation before Sewing
4.1.Installing the needle
4.2.Operating the pedal foot switch
CAUTION
Turn off the power switch before installing the needle.
If the foot switch is depressed by mistake, the sewing machine might start
operating and injury could result.
1）Loosen the screw (1).
2）Insert the needle (2) in a straight line as
far as it will go, making sure that the long
groove on the needle is at the front, and
then securely tighten the set screw (1).
When the work clamp switch (left side) is
depressed, the intermittent presser foot (1)
and the work clamp (2) are lowered, and when
the start switch (right side) is then
depressed, the sewing machine starts
operating.
*The work clamp (2) lowering method can be
changed using memory switch No. 002.
work clamp
switch
start switch
9

4.3.Threading the upper thread
Thread the upper thread correctly as shown in the illustration below.
*When using threading mode for threading, the tension discs (1) will open so that
the thread can be threaded more easily.
·Turn the machine pulley (2) and raise the thread take-up (3) to its highest position before
threading the upper thread.(This will make threading easier and it will prevent the thread
from coming out at the sewing start.)
·When threading the thread through the needle, allow a distance of approximately 42mm between
the needle hole and the end of the thread.
If the trailing length of the thread is too long, it may cause the thread to become tangled.
Through surface line
Pneumatic
clamping device
10

T
hreading ode is safe eause the sewing ahine will not start een when the foot swith is
depressed



 nding threading ode
urn on the power swith
Press the AAP e
·ower the wor lap
·he tension diss will open
hreading the thread
·hen  inutes hae passed the uer will sound and the tension diss will lose
Press the AAP e
·he wor lap will return to
where it was efore threading
ode was started
11

4.4．Winding the lower thread
CAUTION
Do not touch any of the moving parts or press any objects against the machine while
winding the lower thread. Injury or damage to the sewing machine may result.
1）
Place the bobbin onto the bobbin winder shaft (1).
2）
Thread the thread as shown in the illustration,
wind the thread around the bobbin several times,
and then press the bobbin presser arm (2).
3）Turn on the power switch.
4）Depress the foot switch to the 2nd step.
(If using a two-pedal foot switch, lower the
work clamp before depressing the start switch.)
Check the home position.
5）
6）Release the TENSION/WIND key (3) after the
machine starts operating, and keep depressing
the foot switch until the lower thread stops
being wound onto the bobbin. (If you release
the foot switch before winding is complete, and
then depress it again while pressing the
TENSION/WIND key (3), winding will start
again.)
7）
Once winding of the set amount of lower thread
(80-90% of the bobbin capacity) is completed, the
bobbin presser arm (2) will return automatically.
8）Remove the bobbin, hook the thread onto the knife
(4), and then pull the bobbin in the direction of
the arrow to cut the thread.
Adjusting the bobbin winding amount
Loosen the screw (5) and move the
bobbin presser (6) to adjust.
If the thread winds onto the bobbin unevenly
※ For case A, move the bobbin winder tension
assembly (8) down, and for case B, move it
upward.
Check that the needle does not touch the work
clamp, and then while pressing the TENSION/WIND
key (3), depress the foot switch to the 2nd
step.
(If using a two-pedal foot switch, lower the
work clamp before depressing the start switch.)
Loosen the set screw (7) and move the bobbin winder
tension assembly (8) up and down to adjust.
12

4.5 Installing the bobbin case
CAUTION
Turn off the power switch before installing the bobbin case.
If the foot switch is depressed by mistake, the sewing machine might start operating
and injury could result.
1）Pull the shuttle race cover (1) downward to open it.
2）While holding the bobbin so that the thread winds to the right, insert the bobbin into the
bobbin case.
3）Pass the thread through the slot (2) and pull it out from the thread hole (3).
4）Check that the bobbin turns in the direction of the arrow when the thread is pulled.
5）Pass the thread through the lever thread hole (4), and then pull out approximately 30mm of
thread.
6）Hold the latch on the bobbin case and insert the bobbin case into the rotary hook.
50mm
13