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• Installation of MIG torch
• Installation of nozzles and contact tips
Thread off your nozzle. Under that nozzle will be the contact tip, be sure to unscrew that and remove it before you feed your new
wire in. Once the new wire has been fed through slide the contact tip back over the wire and gently thread it back on, being sure
not to over tighten it.
While you have the contact tip off it’s a good idea to look at the size marked on the contact tip. There are times when it will be
marked with Imperial measurements such as .023, .030, or .035 thousandths. You may find other markings designated in
metric sizes such as 0.6, 0.8 or 0.9 which match the previously listed Imperial measurements respectively. Be sure the contact
tip diameter orifice matches the wire that you’ve selected.
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Figure 2
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