1-3.
Additional
Symbols
For
Installation,
Operation,
And
Maintenance
FIRE
OR
EXPLOSION
hazard.
Do
not
install
or
place
unit
on,
over,
or
near
combustible
surfaces.
Do
not
install
unit
near
flammables.
Do
not
overload
building
wiring
be
sure
power
supply
system
is
properly
sized,
rated,
and
protected
to
handle
this
unit.
FALLING
UNIT
can
cause
injury.
Use
lifting
eye
to
lift
unit
only,
NOT
running
gear,
gas
cylinders,
or
any
other
accessories.
Use
equipment
of
adequate
capacity
to
lift
and
support
unit.
If
using
lift
forks
to
move
unit,
be
sure
forks
are
long
enough
to
extend
beyond
opposite
side
of
unit.
OVERUSE
can
cause
OVERHEATING
Allow
cooling
period;
follow
rated
duty
cycle.
Reduce
current
or
reduce
duty
cycle
before
starling
to
weld
again.
Do
not
block
or
filter
airflow
to
unit.
STATIC
(ESD)
can
damage
PC
boards.
Put
on
grounded
wrist
strap
BEFORE
handling
boards
or
parts.
Use
proper
static-proof
bags
and
boxes
to
store,
move,
or
ship
PC
boards.
MOVING
PARTS
can
cause
injury.
Keep
away
from
moving
parts.
Keep
away
from
pinch
points
such
as
drive
rolls.
WELDING
WIRE
can
cause
injury.
Do
not
press
gun
trigger
until
instructed
to
do
so.
Do
not
point
gun
toward
any
part
of
the
body,
other
people,
or
any
metal
when
threading
welding
wire.
MOVING
PARTS
can
cause
injury.
Keep
away
from
moving
parts
such
as
fans.
Keep
all
doors,
panels,
covers,
and
guards
closed
and
securely
in
place.
H.F.
RADIATION
can
cause
interference.
High-frequency
(HF.)
can
interfere
with
radio
navigation,
safety
services,
computers,
and
communications
equipment.
Have
only
qualified
persons
familiar
with
electronic
equipment
perform
this
installation.
The
user
is
responsible
for
having
a
qualified
electrician
prompt
ly
correct
any
interference
problem
resulting
from
the
installa
tion.
If
notified
by
the
FCC
about
interference,
stop
using
the
equipment
at
once.
Have
the
installation
regularly
checked
and
maintained.
Keep
high-frequency
source
doors
and
panels
tightly
shut,
keep
spark
gaps
at
correct
setting,
and
use
grounding
and
shielding
to
minimize
the
possibility
of
interference.
ARC
WELDING
can
cause
interference.
Electromagnetic
energy
can
interfere
with
sensitive
electronic
equipment
such
as
computers
and
computer-driven
equipment
such
as
robots.
Be
sure
all
equipment
in
the
welding
area
is
electromagneticallycompatible.
To
reduce
possible
interference,
keep
weld
cables
as
short
as
possible,
close
together,
and
down
low,
such
as
on
the
floor.
Locate
welding
operation
100
meters
from
any
sensitive
elec
tronic
equipment.
Be
sure
this
welding
machine
is
installed
and
grounded
according
to
this
manual.
If
interference
still
occurs,
the
user
must
take
extra
measures
such
as
moving
the
welding
machine,
using
shielded
cables,
using
line
filters,
or
shielding
the
work
area.
I
OM-193
084
Page
3