JUKI LK-1900AN, Engineer'S Manual, Page: 3 / 140

i
For the sewing machine, automatic machine and ancillary devices (hereinafter collectively referred to as
"machine"), it is inevitable to conduct sewing work near moving parts of the machine. This means that there
is always a possibility of unintentionally coming in contact with the moving parts. Operators who actually
operate the machine and maintenance personnel who are involved in maintenance and repair of the
machine are strongly recommended to carefully read to fully understand the following Safety precautions
of this engineer's manual before using/maintaining the machine. The content of the Safety precautions of
this engineer's manual includes items which are not contained in the specifications of your product.
The risk indications are classified into the following three different categories to help understand the meaning
of the labels of this engineer's manual and the product. Be sure to fully understand the following description
and strictly observe the instructions.
(
!
) Explanation of risk levels
(
@
) Explanation of pictorial warning indications and warning labels
W
ar
ni
ng l
ab
el
1
2
3
1
• There is the possibility that slight to serious injury or death may be caused.
• There is the possibility that injury may be caused by touching moving part.
2
• To perform sewing work with safety guard.
• To perform sewing work with safety cover.
• To perform sewing work with safety protection device.
3
• Be sure to turn the power OFF before carrying out "machine-head threading,"
"needle changing," "bobbin changing" or "oiling and cleaning.
3
2
1
El
ec
tr
ic
al
-s
ho
ck
da
ng
er l
ab
el
DANGER :
This indication is given where there is an immediate danger of death or serous injury if the person in charge or any third
party mishandles the machine or does not avoid the dangerous situation when operating or maintaining the machine.
WARNING :
This indication is given where there is a potentiality for death or serious injury if the person in charge or any third party
mishandles the machine or does not avoid the dangerous situation when operating or maintaining the machine.
CAUTION :
This indication is given where there is a danger of medium to minor injury if the person in charge or any third party
mishandles the machine or does not avoid the dangerous situation when operating or maintaining the machine.
Items requiring special attention
Pi
ct
or
ia
l wa
rn
in
g i
nd
ic
at
io
n
There is a risk of injury if contact-
ing a moving section.
Pi
ct
or
ia
l wa
rn
in
g
in
di
ca
tio
n
Be aware that holding the sewing
machine during operation can
hurt your hands.
There is a risk of electrical shock if
contacting a high-voltage section.
There is a risk of entanglement
in the belt resulting in injury.
There is a risk of a burn if contact-
ing a high-temperature section.
There is a risk of injury if you
touch the button carrier.
Be aware that eye deficiency can
be caused by looking directly at
the laser beam.
In
di
ca
tio
n l
ab
el
The correct direction is indicat-
ed.
There is a risk of contact between
your head and the sewing ma-
chine.
Connection of a earth cable is
indicated.
TO ENSURE SAFE USE OF YOUR SEWING MACHINE
Adjustment :
It means replacement of parts,
disassembly, and repair assembly.