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LORCH
5
General regulation of use
This
machine
is intended
for
use in the
commercial
and
industrial
sector.
It
is portable and is suitable
for
opera-
tion
on
the mains supply or also on a
power
generator.
D
The machine is intended for DC electrode welding of
-
unalloyed stee
ls,
low and high-alloy
steels,
-
nickel
and its
alloys,
D Together with a
T
IG
welding
torch
.
the machine is
suitable for TIG welding
with
direct current of
-
unalloyed
stee
ls,
low and high-alloy
steels,
-
copper
and
its
alloys,
-
nickel
and its
alloys,
-
special
metals
like
titanium
,
zirconium
and tanta-
lum.
D
Together
with a
wire
feed
case,
the
machine
is suit-
able
for
MIG welding with
-
solid
wire
(M
IG/MAG),
flux-cored wire.
6
UW inspection
Operators of commercially-operated
welding
systems
are obliged to have
regular
safety inspections of the
equipment carried
out
in
accordance
with
EN
60974-4.
Lorch recommends inspections al
12
month
intervals.
A
safety
inspection
must
also
be
carried
out
if
modifica-
tions
or
repairs have been made to the
system.
G
Improper UW inspections can destroy the
system.
For more information on UVV
in-
spections
of
welding
systems,
please con-
tact
your
authorised Lorch
service
centre.
7
Unit protection
This machine is protected electronically against over-
loading. Do not use fuses
of
higher amperage than
print-
ed
on the
identification plate.
8
Noise emission
The noise level
of
the unit is less
than
70
dB(A},
meas-
ured under standard
load
in accordance
with
EN
60974-
1
in
the
maximum working
point.
-
6 -
Transport
9
Electromagnetic compatibility
(EMC)
This
product
is
manufactured
in conformance
with
the
current EMC
standard.
Please note the
following:
D Due to their high power consumption, welding
ma-
chines can
cause
problems
in
the public
power grid.
The mains
connection
is therefore
subject
to require-
ments with regard to the
maximum
permissible sys-
tem impedance. The maximum permissible
system
impedance (Zmax) of the
interface
to the power
grid
(mains
connection)
is indicated in the technical
data.
If in doubt, please
contact
your power grid
operator.
D The machine is intended for we lding
in
both commer-
cial and
industrial
applications (CISPR
11
class
A)
.
Use
in
other
surroundings
(for example
in
residential
areas)
may
disturb other electronic
devices.
D
Electromagnetic problems
during
start-up
can
arise
in:
-
Mains
cables,
control
cables,
signal
and
telecom-
munication
lines
near
the
welding
or
cutting area
-
TV/radio
transmitters/receivers
-
Computers and other
control
devices
-
Protection equipment
such as
alarm
systems
-
Pacemakers
and hearing aids
-
Measurement
and calibration devices
-
Equipment
with too little
protection
against
inter-
ference
If
other equipment is
disturbed,
it may
be
necessary to
provide
additional
shielding.
D The affected
area
may go beyond the boundaries
of
the property
concerned.
This
depends
on
the layout
of
the building
,
and the
other
activities that may
be
going
on
there.
Please
use the machine
in
compliance with the manu-
facturer's
instructions. The operator
of
the equipment is
responsible for the installation
and
use of the
machine.
Furtherm
ore,
the
owner is responsible (if
necessary
with
technical assistance
from the
manufacturer)
for
eliminat-
ing
the interference caused by electromagnetic
fields.
10
Transport
For transport
using mechanical lifting
gear
(e.g.
cranes etc.) only the handle
may
be used
as the
hoisting point.
Use
suitable load-bearing equipment. Do
not use a fork-lift 1ruck or similar de-
vice to lift
the machine
by its
housing.
The
carryin
g
strap
is
exclusively
for
the
transport by a
person.
10.13
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