AUTO ARC 120 - Page 19

Install
Put
On
~\
~\
Turn
On
~\
~\
Do
Readjust
Contro~\
Connect I
)
Personal
Safety
I
)Equipment
&
Gas
I
i
Set
Controls
))
Sample
Weld
)
And
Prepare
,
Equipment
))
Equipment
J)
(lfApplicable)J
_______________
J
For
Welding
}
Figure
4-5.
Sequence
Of
Operation
For
GMAW And FCAW
Install &
Co~~~\\
Adjust
Hub
Adjust
Drive
RoIl~\\
T
Equipment
Using
I
I
Tension To
)
I
Pressure To
)
)
Put
On
Personal
urn
On
J
Knurled
Groove))
Minimum
J)
Minimum
JySafe~
Equipm~)
To
30
cfh
J
Straig
And
Adjust
Gas
)
Do
Sample
Weld And
Prepare
For
) Contro~
__________________
Welding
Figure
4-6.
Sequence
Of
Operation
For Aluminum
Welding
Table
4-1.
Suggested
Welding
Settings
Wire
Type,
Shielding
Gas,
And Flow Rate
Wire
Diameter
(inch)
Operator
Control
Settings*
Metal
Thickness
1/8
in
(3.2 mm)
12
ga
14
ga
16
ga
18
ga
20
ga
22
ga
And
Thinner
E-71T-GS
Flux
Core
0.030
Voltage
Wire
Speed
4
30
3
30
3
20
1
25
1
20
1
20


0.035
Voltage
Wire
Speed
4
30
3
25
2
25
1
25
1
25
1
20


ER7OS-6,
Mild
Steel,
CO2
20 cfh+
0.023
Voltage
Wire
Speed
4
50
4
50
3
50
2
45
2
40
1
30
1
30
0.030
Voltage
Wire
Speed
4
40
4
40
3
40
3
40
2
40
1
40
1
35
ER7OS-6,
Mild
Steel,
75%
Argon
25%
CO2,
20
cfh+
0.023
Voltage
Wire
Speed
4
60
4
55
3
50
2
45
2
40
1
35
1
35
0.030
Voltage
Wire
Speed
4
50
4
50
3
50
3
50
2
45
1
45
1
40
ER
308,
Stainless
Steel,
Tn-Mix,
20
cfh+
o 023
~
Voltage
Wire
Speed
4
40
4
35
4
35
3
30
3
30
2
20


0.030
Voltage
Wire
Speed
4
30
4
30
4
30
3
25
3
20
2
15

0.035
Voltage
Wire
Speed
~
15
4
15
4
15
3
15
2
15



Aluminum,
Argon,
30
cfh
0.030
Voltage
Wire
Speed


4
85
3
80
2
75
1
70




0.035
Voltage
Wire
Speed

4
55
4
60
2
60
2
55


*Do
not
change
ThicknessNoltage
switch
position
while
welding.
Fine
TuningiWire
Speed
value
in
Table
4-1
is
a
starting
value
only,
and Fine
Tuning/Wire
Speed
control
setting
can
be
fine
tuned
during
welding.
+cfh
=
cubic
feet
per
hour
OM-151
015
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