Cornwell Tools MMWMGS250, Руководство пользователя

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6.7. Gas selection
Different materials require different shielding gas when MIG welding, refer to the set up chart
inside the wire feed compartment.
Mild steel : Use 75% Argon and 25% CO2 for reduced spatter and reduced penetration for
thinner materials. Do NOT USE Argon gas concentrations higher than 75% on steel. The result
will be extremely poor penetration, porosity, and brittleness of weld.
Mild Steel : Use CO2 for deeper penetration but increased spatter. (A CO2 regulator adapter
will be needed)
Stainless steel : Use a mixed gas consisting of Helium, Argon and CO2.
Aluminum or bronze : Use 100% Argon.
ASSEMBLY
1. MIG TORCH ASSEMBLY
1.1 Locate the retaining bolt inside the front panel on the drive system. Loosen the retaining bolt.
1.2 Make note of the retaining groove on the back end of the MIG torch.
1.3 Insert the back end of the MIG torch into the MIG socket on the front of your machine. Make
certain to completely slide the torch all the way in. Slightly twist to assist with pushing the torch to
the back of the receptacle. The retaining bolt can then be tightened, making certain the bolt sets
down into the retaining groove on the back of the MIG torch.
1.4 Connect the 5-Pin trigger connection on the MIG torch to the 5-Pin trigger receptacle on the
front panel.
1.5 Connect the ground cable to the Negative (-) weld output connection for MIG welding. If
welding with self-shielded flux core, connect the ground cable to the Positive (+) weld output
connection and move the Weld Power Cable to the Negative (-) weld output connection.
Retaining
Bolt
Retaining
Groove