Michigan Welding ACDC200LCD - TIG (GTAW) Operation

20 ACDC200LCD
TIG GTAW OPERATION
When connecting torches, ensure the machine is o and the supply cable is unplugged.
TIG welding is done in DC EN set up. The ground/earth cable connects to the positive
(+) terminal. The torch cable connects to the negative terminal.
TIG welding requires an ARGON gas supply. Connect the gas hose from the Lift TIG
torch to a regulator axed to an ARGON gas supply.
Ensure the correct tungsten (check for dia and type) is installed on the Lift TIG torch
and set up correctly.
Installation
Depending on the application, the correct collet, collet body, gas cup, electrode and
electrode tip conguration should be tted (See tables on next page)
L
L = 1/3D
For general use on AC
D
L
L = D
For general use on DC
D
LL = D x 2
For DC below 20A
D
After initial strike the electrode
will form a domed prole
You are now ready to connect the torch to the power source and gas supply. Once
connected check you have adequate gas ow.
Operation
Once the installation guidelines have been followed you are ready to weld.
When using the torch do not exceed its published current carrying capacity and duty
cycle rating.