5 OPERATION
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© ESAB AB 2021
5.10 Setup for MIG (GMAW) welding with gas shielded
MIG wire
1) Select MIG mode with the process selection control, see " Firepower MST-200, Firepower FP-
200 controls, indicators and features".
2) Connect the MIG polarity lead to the negative welding terminal (-). If in doubt, consult the
electrode wire manufacturer. Welding current flows from the power source via dinse type
terminals. It is essential, however, that the male plug is inserted and turned securely to
achieve a sound electrical connection.
3) Fit the MIG gun to the power source, see "Attaching the ESAB fusion 180 A MIG gun" section.
4) Connect the work lead to the positive welding terminal (+). If in doubt, consult the electrode
wire manufacturer. Welding current flows from the power source via dinse type terminals. It is
essential, however, that the male plug is inserted and turned securely to achieve a sound
electrical connection.
5) Switch the LOCAL/REMOTE switch inside the wire feed compartment to LOCAL to use the
wire speed and voltage controls of the power source.
6) Switch the MIG gun/spool gun switch inside the wire feed compartment to MIG gun.
WARNING!
Before connecting the work clamp to the workpiece make sure the electricity supply
is switched off.
CAUTION!
Loose welding terminal connections can cause overheating and result in the male
plug being fused in the terminal. Remove any packaging material prior to use. Do
not block the air vents at the front or rear of the welding power source.
Figure 32: Setup for MIG welding with gas shielded MIG wire
1 MIG gun
4 MIG polarity lead
2 Positive welding terminal (+)
5 Work lead
3 Negative welding terminal (-)
