PATON
PRO-series
DC
MMA/TIG/MIG/MAG
‐
12
‐
These
parameters
are
set
differently
in
different
situations
in
accordance
with
welding
operator's
requirements.
See
paragraph
6.1
for
sequence
of
changing
the
value
of
any
function
in
the
current
welding
mode
4. TUNGSTEN
ARC
INERT
GAS
WELDING
(TIG)
ATTENTION:
Shielding
gas
is
most
often
pure
argon
"Ar",
sometimes
helium
"He",
as
well
as
their
mixtures
with
different
ratios.
Example:
argon
+
helium
"40%Ar+60%Не".
EXCLUDE
usage
of
combustible
gases!
Other
gases
can
only
be
used
upon
approval
of
the
equipment
manufacturer.
Procedure
for
machine
preparation
to
operation:
‐
insert
the
torch
cable
into
the
source
socket
B
"
‐
"
;
‐
insert
the
"earth"
cable
into
the
source
socket
A
"+"
;
‐
connect
the
"earth"
cable
to
the
work
piece;
‐
install
pressure
reducer
on
the
gas
bottle;
‐
connect
gas
hose
of
the
torch
to
pressure
reducer
of
the
gas
bottle;
‐
open
the
cock
of
the
gas
bottle
and
check
it
for
tightness;
‐
connect
the
mains
plug
to
the
supply
mains;
‐
set
power
switch
9
on
the
rear
panel
to
position
"I";
‐
set
the
MMA
welding
mode
by
pressing
the
button
7
–
the
modes
switch
over
end
‐
around;
‐
use
buttons
3
to
set
the
main
parameter,
which
is
arc
current;
‐
if
necessary,
additional
functions
of
welding
process
can
be
adjusted
–
see
changeover
sequence
in
paragraph
6.1.
ATTENTION:
Argon
torch
shall
be
a
valve
torch,
with
a
bayonet
connector
of
Ф
9
mm
(PRO
‐
160)
or
Ф
13
mm
(PRO
‐
200/250).
Select
maximum
torch
current
depending
on
your
operating
requirements.
ATTENTION:
A
common
mistake
is
"needle
‐
like"
electrode
sharpening;
in
this
case,
arc
may
wag
from
side
to
side.
A
correctly
sharpened
electrode
has
slightly
blunted
Summary of Contents for PRO-160
Page 1: ......
