ESAB MultiMaster 160, Instruction Manual

Page: 19 / 32

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4.2.2 TIG WELDING SETUP
When the PROCESS switch is placed in the TIG position,
the Multimaster 160 turns “ON” the weld contactor so that
power is immediately available to the output connection. The
Touch TIG starting system is then enabled.
When the WELD PROCESS switch is moved to the TIG
or STICK position, electrode becomes electrically
“HOT”. Do not allow the electrode to contact ground
potential until you are ready to make a weld.
Step 1. Determine the weld parameters based on the metal
thickness in Table 4 or use the ESAB TIG Welding
Handbook for suggested welding parameters.
Figure 12 - TIG Polarity Connection
SECTION 4 OPERATION
Figure 13-Front Control Panel -
TIG (GTAW) Process Setup
Table 4 - TIG PARAMETERS CHART
Step 2. Be sure to set the polarity to DCEN (Electrode
Negative) by placing the Heliarc Torch in the
Negative connection terminal on the front of
the power source as shown in Figure 12.
Step 3. Place the WELD PROCESS (1) switch in the
TIG (center) position.
Step 4. Turn the CURRENT (4) knob to the desired
weld current.
Step 5. Set the shielding gas flow rate to 20 cfh by
opening the manual gas valve on the Heliarc
torch and adjusting the control knob on the R-
33-FM-580 flowmeter.
Step 6. Touch the tungsten electrode to the workpiece
momentarily to establish the welding arc. Trim
the current as desired by turning theCURRENT
(4) knob.
NOTE: The Wirespeed (2) and Volume (3) knobs have no effect in the
TIG mode.
Work Cable
and Clamp
TIG - DCEN (Electrode Negative)
2
1
3
4