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Ambient
conditions
LORCH
3
Safety precautions
~~~~~~~~~~~~~
Hazard-free
working with the machine
is
only
possible if you
read the
operating
and
safety
instructions
completely
and strictly
observe
them.
Please
obtain practical training before
us-
ing the machine for the first
time.
Heed the
safety regulation
(UVV").
Remove all
solvents,
degreasers.
and
other
flammable
materials from
the
welding area
before
welding.
Non-movable
flammable
materials
must
be
covered. Only weld
if
the
ambient
air contains no
high
concentra-
tions of
dust,
acid
vapours,
gases or
flam-
mable
substances.
Special
care must be
taken
during
repair work
on
pipe systems
and
tanks
which contain
or
have contained
fla
mmable
liquids or gases.
Never
touch
live parts
inside
or
outside of
the
housing.
Never touch
welding
elec-
trodes
or live
welding current parts
in
a
machine
that
is
on.
Do not expose the
machine
to
rain;
do not
clean
with
sprays or steam
jets.
Always
use
a
protection
shield when
weld-
ing.
Warn anyone in the
work
area
about
the
dangers
or
arc
rays.
Please use
a suitable extraction system
for
gases
and
cutting
vapours.
Always
wear breathing
apparatus
when-
ever there is
a risk
of
inhaling
welding or
cutting
fumes.
If
the
power
cable
is damaged
or
severed
while
working,
do
not
touch
the
cable,
but im-
mediately
pull
out the
mains
plug.
Never
use
a
machine
if
the mains
cable is
damaged.
Keep
a fire
extinguisher
nea
r
the welding
area
.
Check the welding area
for
fire
after
welding
(see
UW
'
).
Never
try
to
disassemble
the
pressure
reducer.
Replace the
pressure
reducer
if
faulty.
The machine
must
be transported or set up
only on
firm, level
surfaces.
The
maximu
m
admissible
angle of
inclina-
tion
for
setting
up
or
transporting
is
1
o·.
0
Service and
re;pair
work
may
only
be
carried
out
by
a
trained
electrician.
0 Ensure
that
there
is
good direct contact
for
the
ground
cable immediately
beside
the
weld point. Do
not
pass
10.13
the welding
current
through
chains,
ball
bearings,
steel
cables,
grounding
conductors,
etc.,
as it
could
cause
these
to
melt.
0
Secure yourself and
the
welding
machine when
work-
ing
in
elevated
or
inclined
areas.
0
The machine
should
be connected only to
a
properly
grounded mains supply. (Three-phase four-wire
sys-
tem
with grounded
neutral
conductor
or single phase-
three-wire
system
with
grounded
neutral
conductor)
socket
and
extension
cable
must
have a functional
protective
conductor.
D
Wear
protective clothing,
leather
gloves
and leather
apron.
D
Protect the welding area
with
curtains
or
mobile
screens.
D
Do
not
use welding
equipment
to
thaw
out frozen
wa-
ter
pipes
or lines.
D
In
closed
containers,
under
c
ramped
conditions,
and
in
high
electrical
risk
areas,
only use machines with
the S
sign.
0
When taking a
break,
switc
h
off
the
machine and
close the
valve on
the
gas
cylinder.
D
Secure the gas cylinder
with
a
chain l
o prevent
it fall-
ing
over.
D
Disconnect
the mains plug
from the
mains
before
c
hanging
the place
of
installation
or
making repairs
to the
machine.
*) Only applicable
for
Germany. Can be ordered from
Carl
Heymanns-Verlag,
Luxemburger
Si
r.
449,
50939
Koln
.
Please
heed
the
safety
regulations
which
apply
to
your
country.
Subject to
change.
4
Ambient conditions
Temperature
range of ambient
air:
in
operation:
-20 °C
..
.
+40
°c
(-4
°F
...
+104
°F)
transport and
storage: -25
•c ...
+55
•c
(-13
"F
...
+131
"F)
Relative
humidity:
up to
so
%
at 40
•c
(1
04
"F)
up to
90
%
at
20 "C (68 "F)
~
Operation,
storage
and
transport
may only
be
carries
out
within
the
ranges
indicated!
Use outside
of
this
range
is considered
not
used with
its intended
purpose.
The
manu-
facturer
is
not
liable for damages cause
by
misuse.
Ambient
air
must be free
of
dust,
acids,
corrosive
gases
or
other
damaging
substances!
-
5
-
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