JUKI K-1E User manual

K-1E
INSTRUCTION MANUAL
(Mechanical)

CONTENTS
Safety Matters for Attention .......................................................................... i
1. Signs & Denitions of Safety Marks ......................................................................... i
2. Safety Matters for ttention.......................................................................................... i
I. INSCAPE...................................................................................................... 1
II. INSTALLATION........................................................................................... 2
1. Installing the pedal sensor........................................................................................ 2
2. Attaching the connecting rod ................................................................................... 2
3. Installing the head support rod ................................................................................ 2
4. How to carry the sewing machine ............................................................................ 3
5. Installation of the sewing machine head ................................................................. 3
6. Installing the drain receiver and the head support rubber .................................... 4
7. Tilting the sewing machine head.............................................................................. 4
8. Installing the operation panel ................................................................................... 5
9. Installing the eye protection cove ............................................................................ 5
10. Installing the thread stand ...................................................................................... 5
III. OPERATION OF THE SEWING MACHINE............................................... 6
1. Lubrication.................................................................................................................. 6
2. Attaching the needle .................................................................................................. 6
3. Threading the machine head .................................................................................... 7
4. Installing and removing the bobbin case ................................................................ 7
5. Installing the bobbin .................................................................................................. 8
6. Adjusting the thread tension..................................................................................... 8
7. Adjusting the thread take-up spring......................................................................... 8
8. Example of the thread tension.................................................................................. 9
IV. MAINTENANCE......................................................................................... 9
1. Adjusting the height of the needle bar..................................................................... 9
2. Adjusting the needle-to-shuttle relation ................................................................ 10
3. Adjusting the lift of the work clamp foot................................................................ 11
4. The moving knife and counter knife....................................................................... 11
5. Draining waste oil .................................................................................................... 12
6. Amount of oil supplied to the hook ........................................................................ 12

i
Safety Matters for Attention
1. Signs & Definitions of Safety Marks
This User’s Manual and the Safety Marks printed on the products are to enable you to use
this product correctly so as to be away from personal injury. The signs and definitions of
Marks are shown in below:
Danger
The incorrect operation due to negligence will cause the serious personal
injury or even death.
Caution
The incorrect operation due to negligence will cause the personal injury and
the damage of mechanism.
This kind of marks is “Matters for Attention”, and the figure inside the
triangle is the content for attention. (Exp. The left figure is “Watch Your
Hand!”)
This kind of mark is “Forbidden”.
This kind of mark means “Must”. The figure in the circle is the contents that
have to be done. (Exp. The left figure is “Ground!”)
2. Safety Matters for Attention
Danger
For opening the control box, please turn off the power and take away the
plug from socket firstly, and then wait for at least 5 minutes before opening
the control box. Touching the part with high voltage will cause the person
injury.
Caution
Usage Environment
Try not to use this sewing machine near the sources of strong disturbance
like high-frequency welding machine.
The source of strong disturbance will affect the normal operation of the
sewing machine.
The voltage fluctuation shall be within 10% of the rated voltage.
The large fluctuation of voltage will affect the normal operations of sewing
machine, Therefore a voltage regulator is needed in that situation.
Working temperature:0℃～45℃.
The operation of the sewing machine will be affected by environment with
temperature beyond the above range.
Relative Humidity: 35%～85%(No dew inside the machine), or the
operation of sewing machine will be affected.
Safety Matters for Attention
1. Signs & Denitions of Safety Marks
2. Safety Matters for ttention

ii
The supply of compressed gas shall be over the consumption required by
the sewing machine. The insufficient supply of compressed gas will lead to
the abnormal action of sewing machine.
In case of thunder, lightning or storm, please turn off the power and pull
plug out the socket. Because these will have influence on the operation of
sewing machine.
Installation
Please ask the trained technicians to install the sewing machine.
Don’t connect machine to power supply until the installation is finished.
Otherwise the action of sewing machine may cause personal injury once
the start switch is pressed at that situation by mistake.
When you tilt or erect the head of sewing machine, please use both of your
hand in that operation. And never press the sewing machine with strength.
If the sewing machine loses its balance, it will fall into floor thus causes the
personal injury or mechanical damage.
Grounding is a must.
If the grounding cable is not fixed, it may cause the electric-shock and
mis-operation of machine
The entire cables shall be fixed with a distance at 25mm away from the
moving component at least. By the way, don’t excessively bend or tightly
fixed the cable with nails or clamps, or it may cause the fire or electric
shock.
Please add security cover on the machine head.
Sewing
This sewing machine can only be used by the trained staff.
This sewing machine has no other usages but the sewing.
When operating the sewing machine, please remember to put on the
glasses. Otherwise, the broken needle will cause the personal injury in case
the needle is broken.
At following circumstances, please cut off the power at once so as to avoid
the personal injury caused by the mis-operation of start switch:
1.Threading on needles; 2. Replacement of needles; 3. The sewing
machine is left unused or beyond supervision
At working, don’t touch or lean anything on the moving components,
because both of the above behaviors will cause the personal injury or the
damage of the sewing machine.
During working, if the mis-operation happens or the abnormal noise or
smell is found at the sewing machine, user shall cut off the power at once,

iii
and then contact the trained technicians or the supplier of that machine for
solution.
For any trouble, please contact the trained technicians or the supplier of
that machine.
Maintenance & Inspection
Only can the trained technicians perform the repair, maintenance and
inspection of this sewing machine.
For the repair, maintenance and inspection of the electrical component,
please contact the professionals at the manufacturer of control system in
time.
At following circumstances, please cut off the power and pull off the plug at
once so as to avoid the personal injury caused by the mis-operation of start
switch:.
1.Repair, adjustment and inspection;
2.Replacement of the component like curve needle, knife and so on
Before the inspection, adjustment or repair of any gas-driven devices, user
shall cut off the gas supply till the pressure indicator falls to 0.
When adjusting the devices needing the power supply and gas supply,
users can’ t be too careful to follow the entire Safety Matters for Attention.
If the sewing machine damages due to the unauthorized modification, our
company will not be responsible for it.

– 1 –
❶ Machine head
❷ Work clamp fee
❸ Thread stand
❹ Operation panel
❺ Power switch
❻ Pedal
❶
❷
❸
❹
❺
❻
I.INSCAPE
I. INSCAPE

– 2 –
1.Installing the pedal sensor
Install the pedal sensor ❶to the table
with mounting screws ❷supplied with
the unit.
2.Attaching the connecting rod
1)Fix connecting rod
❶
to
installing hole B of pedal lever
❷
with nut
❸
.
2)The pedal depressing stroke is
decreased by fitting connecting
rod
❶
in mounting hole A.
3.Installing the head support rod
Drive head support rod ❶in hole
❷in the machine table.
II.INSTALLATION
II. INSTALLATION
1. Installing the pedal sensor
2. Attaching the connecting rod
3. Installing the head support rod

– 3 –
Please carry the sewing machine as shown in the figure.
5.Installation of the sewing machine head
1)Fit hinge rubber cushion ❶
over the hinge shaft。
2)Install the main body of the
sewing machine on the table with
four bolts❷,four plain washers❸
,
four hexagonal nuts ❹and four
hexagonal nuts ❺
4.How to carry the
sewing machine
1.Carefully prevent slippage of your hand that holds the cover.
2.The sewing machine weighs over 42 kg. Be sure to carry the sewing machine
with two or more people without exceptions.
4. How to carry the sewing machine
5. Installation of the sewing machine head

– 4 –
6.Installing the drain receiver and the head support rubber
1)Fix drain receiver ❷in the installing
hole of table
❶with two setscrews ❸.
2)Screw poly-oiler ❹in waste oil
reservoir ❷.
3)Insert sewing-machine waste oil pipe
❺into poly-oiler ❹.
4)Insert head support rubber ❻into
table ❶.
5)Pass bundle ❼of cords through
slotted hole ❽in
the table
CAUTION !
1.Insert drain pipe ❺until it will go no
further so that it does not come off
poly-oiler ❹when tilting the machine
head.
2.Remove the tape fixing drain pipe ❺
3.When the machine moves out of the
oil pan, please put the screws❽back。
7.Tilting the sewing machine head
Tilt/raise the sewing machine head with both hands taking care not to allow your
fingers to be caught in the head. Turn OFF the power before starting the work so as to
prevent accidents caused by abrupt start of the sewing machine.
❽
When tilting the sewing machine head, tilt
the head gently until it comes in contact with
head support rod❶
CAUTION !
1.Before tilting the sewing machine head,
make sure that head support rod ❶is
attached to the machine table.
2.When raising the sewing machine head, do
not raise it while holding motor cover
❷. It will be the cause of breakage of
motor cover ❷.
3.Be sure to tilt the sewing machine head on
a flat place to prevent it from falling.
6. Installing the drain receiver and the head support rubber
7. Tilting the sewing machine head

– 5 –
8.Installing the
operation panel
Fix operation panel mounting plate ❶
on the table with four wood screws ❷.
Then, pass the cable through hole ❸in
the table.
9.Installing the eye protection cove
Be sure to attach this cover to protect the eyes from the disperse of needle breakage.
Be sure to use eye protection cover ❶
after installing it on installing section ❸
with screws ❷
10.Installing the thread stand
1)Assemble the thread stand unit, and
insert it in the hole in the machine
table.
2)Tighten locknut ❶to fix the
thread stand.
For ceiling wiring, pass the power
cord through spool rest rod ❷
8. Installing the operation panel
10. Installing the thread stand
9. Installing the eye protection cove