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12.0
teCHniCal data inFormation guide
13.0
METALLO
Mild steel
Aluminium
Stainless steel
Copper, Nickel and
Alloys
Contact the technical service of your gas supplier to know the percentages of the different
gases which are the most suitable to your application.
14.0
Welding Hints and maintenanCe
•
Always weld clean, dry and well prepared material.
•
Hold gun at a 45° angle to the workpiece with nozzle about 5 mm from the surface.
•
Move the gun smoothly and steadily as you weld.
•
Avoid welding in very drafty areas. A weak pitted and porous weld will result due to air blowing
away the protective welding gas.
•
Keep wire and wire liner clean. Do not use rusty wire.
•
Sharp bends or kinks on the welding cable should be avoided.
•
Always try to avoid getting particles of metal inside the machine since they could cause short cir-
cuits.
•
If available, use compressed air to periodically clean the hose liner when changing wire spools
IMPORTANT: Disconnect from power source when carrying out this operation.
•
Using low pressure air (3/5 Bar=20-30 PSI), occasionally blow the dust from the inside of the wel-
der. This keeps the machine running cooler. Note: do not blow air over the printed circuit board
and electronic components.
•
The wire feed roller will eventually wear during normal use. With the correct tension the pressure
roller must feed the wire without slipping. If the pressure roller and the wire feed roller make con-
tact (when the wire is in place between them), the wire feed roller must be replaced.
•
Check all cables periodically. They must be in good condition and not cracked.
30
-ENGLISH-
FIG. 14
proteCtion gases guide
GAS
CO2
Argon + CO2
Argon + CO2 + Oxygen
Argon
Argon + Helium
Argon + CO2 + Oxygen
Argon + Oxygen
Argon
Argon + Helium
1 Serial Number of the unit
2 Power source model
3 Type of characteristic
4 Min. - Max rated No Load Voltage
5 Type of welding
6 Symbol for the main supply and no. of phases
7 Rated value of the supply voltage
8 Code letter for degree of insulation
9 Protection degree
10 Power
11 Size of the necessary main fuse
12 Supply current
13 Welding supply and voltage
14 Power Factor
15 Control range (current / voltage)
16 Reference standard
NOTE
Argon controls spatters
Oxygen improves arc stability
Arc stability, good fusion and minimum
spatter.
Higher heat input suitable for heavy
sections. Minimum porosity.
Arc stability.
Minimum spatter.
Suitable for light gauges because of low
flowability of the weld pool.
Higher heat input suitable for heavy
sections.
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