Impax IM-MIG120 Instruction Manual page 28

MIG ASSEMBLY
Fig 18
Holding the torch straight out from the welder
press the trigger on the torch (Fig.19). The wire
feed roller will operate feeding the welding wire
through the torch.
Fig 19
Fit the correct sized contact tip and feed the
wire through it, screw the contact tip into the tip
holder of the torch head and nip it up tightly.
Fit the shroud to the torch head, Fig.20.
Fig 20
Select the correct sized wire diameter by
pressing the wire selection button, Fig.21. The
indicator light should be illuminated next to the
selected wire diameter (0.8/0.9/1.0).
Fig 21
Set the amperage using the current control
knob, Fig.22, based on the material thickness.
Fig 22
The recommended electrode size for the GMAW
process are 0.6 or 0.8mm diameter mild and low
alloy steel spools. General purpose welding wire
is suitable for all positional Gas Metal Arc
Welding (GMAW) of mild and low alloy steels,
used in general fabrication and for welding of
light to medium gauge sheet and tubular steel
sections.
Shroud
27