Tweco 175 SE Arc Master - Manuel (Page 26)

ARC MASTER 175 SE INSTALLATION
INSTALLATION 3-6 Manual 0-5054
3.07 Lift TIG (GTAW) Setup
Figure 3-3: Setup for Lift TIG (GTAW) Welding
Lift TIG Sequence of Operation
1. Switch the ON/OFF Switch (located on the rear panel)
to OFF.
2. Connect the earth clamp to the Positive Output Terminal,
torch cable to the Negative Output Terminal and gas
hose to the output of an Argon regulator.
3. Plug the Power Source in and switch the power switch
ON.
4. Set the Process Selection Switch to Lift TIG.
5. Set the Weld Current control to the desired welding
current.
6. Switch the ON/OFF Switch to the ON position.
7. Commence welding. If necessary, readjust the Weld
Current control to obtain the welding condition re-
quired.
8. After completion of welding the Power Source should
be left turned ON for 2 to 3 minutes. This allows the
fan to run and cool the internal components.
9. Switch the ON/OFF Switch (located on the rear panel)
to the OFF.
Set Welding Current
as Specified by the
Electrode Manufacturer
Set Process Selection
Switch to LIFT TIG
Positive Output Terminal
(Dinse™ 50)
Negative Output Terminal
(Dinse™ 50)
Art #: A-08470_AB
Secure the gas cylinder in an
upright position by chaining them
to a stationary support to prevent
falling or tipping