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User manual
CHOOSING A POLARITY
Polarity +
Gas-shielded MIG/MAG welding generally
requires positive polarity.
In any case, refer to the wire manufacturer's recommendations for the choice of polarity for your MIG-MAG torch.
GAS SUPPLY
- Fit a suitable pressure regulator to the gas cylinder. Connect it to the welding station with the pipe supplied. Attach the two hose clamps to prevent
leaks.
- Ensure that the gas cylinder is held securely in place with a chain attached to the power source.
- Set the gas flow rate by adjusting the dial on the pressure regulator.
NB: To adjust the gas flow rate more easily, use the rollers on the motorised spool by pulling the trigger on the torch (loosen the brake wheel on the
motorised reel so that no wire is drawn in). Maximum gas pressure: 0.5 MPa (5 bar).
This procedure does not apply to welding in «No Gas» mode.
RECOMMENDED COMBINATIONS
(mm)
0.8-2
2-4
4-8
8-15
0.6-1.5
1.5-3
3-8
8-20
MIG / MAG (GMAW/FCAW) WELDING MODE
Adjustable
Settings
settings
Couple
- Fe Ar 25% CO
material/gas
- ...
Wire diameter
Ø 0.8 > Ø 1.6 mm
ModulArc
OFF - ON
Using the trigger
2T, 4T
Spot welding mode
Spot, Spot-Delay
Thickness
First Setting
Current
Speed
Access to some of the welding parameters depends on the selected display mode: Settings/Display mode: Easy or Expert. Refer to the HMI ma-
nual.
Translation of the original
instructions
Current (A)
Ø Wire (mm)
20-100
100-200
200-300
1.0/1.2
300-500
1.2/1.6
15-80
80-150
150-300
1.0/1.2
300-500
1.2/1.6
Welding
processes
Choice of the material to be welded.
-
2
Pre-installed welding user settings
-
Choice of wire diameter
-
-
Activating or deactivating the welding current's modulation (Double Pulse)
Choice of trigger welding management mode.
Selecting spot welding mode
Choosing the main setting to be displayed (thickness of the
-
workpiece, average welding current or wire speed).
Polarity -
MIG/MAG welding without gas shielding
(No Gas) generally requires negative
polarity.
Ø Nozzle (mm)
0.8
12
1.0
12-15
15-16
16
0.6
12
0.8
12-15
15-16
16
GALAXY 400T DUO / 400T W
Flow (L/min)
10-12
12-15
15-18
18-25
8-10
10-12
12-15
15-18
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