Tweco 186 AC/DC Thermal Arc - Manual (Page 5)

TIG Setup
Slide
5
1. Connect the TIG Torch to the negative
welding terminal (-). Welding current
flows from the power source is
heavy duty bayonet type terminals. It is
essential, however, that the male plug is
inserted and turned securely
to achieve a sound electrical connection.
2. Connect the work lead to the positive
welding terminal (+). Welding current
flows from the Power Source is
heavy duty bayonet type terminals. It is
essential, however, that the male plug is
inserted and turned securely
to achieve a sound electrical connection.
3. Fit the welding grade shielding gas
regulator/flowmeter to the shielding gas
cylinder, then connect the shielding gas
hose from the regulator/flow meter outlet
gas INLET on the rear of the 186 AC/DC
Power Source. Connect the gas hose
from the TIG torch to the gas OUTLET
on the front of the
186 AC/DC Power Source.