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For optimal performance when arc gouging, set the
AIR VANTAGE® 500 CUMMINS “WELD MODE”
switch to the “CC - STICK” position, and the “ARC
CONTROL” to 10.
Set the “OUTPUT” knob to adjust output current to the
desired level for the gouging electrode being used
according to the ratings in the
following Table B.2.
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* Maximum current setting is limited to the AIR VANTAGE® 500 CUMMINS
maximum of 575 Amps.
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Connect a wire feeder to the AIR VANTAGE® 500
CUMMINS according to the instructions in INSTALLA-
TION INSTRUCTIONS Section.
The AIR VANTAGE® 500 CUMMINS in the ”CV-
WIRE” position, permits it to be used with a broad
range of flux cored wire (Innershield and Outershield)
electrodes and solid wires for MIG welding (gas metal
arc welding). Welding can be finely tuned using the
“ARC CONTROL”. Turning the ARC CONTROL clock-
wise from -10(soft) to +10(crisp) changes the arc from
soft and washed-in to crisp and narrow. It acts as an
inductance/pinch control.
The proper setting depends on the procedure and
operator preference. Start with the knob set at 0.
For any electrodes, including the above recommenda-
tions, the procedures should be kept within the rating
of the machine. For additional electrode information,
See www.lincolnelectric.com or the appropriate
Lincoln publication.
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EBB5>D'1>755<53
DB?45@?C9D9F5
1/8"(3.2mm) 30-60 Amps
5/32"(4.0mm) 90-150 Amps
3/16"9(4.8mm) 200-250 Amps
1/4"(6.4mm) 300-400 Amps
5/16"(8.0mm) 350-450 Amps
3/8"(10.0mm) 450-575 Amps*
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DCEN (-) DCEP (+) Approximate Argon Gas Flow Rate
l/min (c.f.m.)
Tungsten
Electrode 1%, 2% 1%, 2% TIG TORCH
Diameter Thoriated Thoriated Aluminium Stainless Steel Nozzle
mm (in) Tungsten Tungsten Size (4), (5)
.25 (0.010) 2-15 (3) 2-4 (3-8) 2-4 (3-8) #4, #5, #6
.50 (0.020) 5-20 (3) 3-5 (5-10) 3-5 (5-10)
1.0 (0.040) 15-80 (3) 3-5 (5-10) 3-5 (5-10)
1.6 (1/16) 70-150 10-20 3-5 (5-10) 4-6 (9-13) #5, #6
2.4 (3/32) 150-250 15-30 6-8 (13-17) 5-7 (11-15) #6, #7, #8
3.2 (1/8) 250-400 25-40 7-11 (15-23) 5-7 (11-15)
4.0 (5/32) 400-500 40-55 10-12 (21-25) 6-8 (13-17) #8, #10
4.8 (3/16) 500-750 55-80 11-13 (23-27) 8-10 (18-22)
6.4 (1/4) 750-1000 80-125 13-15 (28-32) 11-13 (23-27)
(1) When used with argon gas. The current ranges shown must be reduced when using argon/helium or pure helium shielding gases.
(2) Tungsten electrodes are classified as follows by the American Welding Society (AWS):
Pure EWP
1% Thoriated EWTh-1
2% Thoriated EWTh-2
Though not yet recognized by the AWS, Ceriated Tungsten is now widely accepted as a substitute for 2% Thoriated Tungsten in AC and DC applica-
tions.
(3) DCEP is not commonly used in these sizes.
(4) TIG torch nozzle “sizes” are in multiples of 1/16ths of an inch:
# 4 = 1/4 in. 6 mm
# 5 = 5/16 in. 8 mm
# 6 = 3/8 in. 10 mm
# 7 = 7/16 in. 11 mm
# 8 = 1/2 in. 12.5 mm
#10 = 5/8 in. 16 mm
(5) TIG torch nozzles are typically made from alumina ceramic. Special applications may require lava nozzles, which are less prone to breakage, but can-
not withstand high temperatures and high duty cycles.