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6
OPERATION
6
GENERAL DESCRIPTION
The SQUARE WAVE TIG 175 PROPROis a constant
current, single range AC/DC TIG (GTAW) arc welding
power source with built-in arc starter / stabilizer. It also
has stick welding (SMAW) capability.
The SQUARE WAVE TIG 175 PROPROis recommend-
ed for the TIG (GTAW) and stick (SMAW) welding
processes within its output capacity of 10 to 175 amps,
on both AC and DC polarity.
INCLUDED EQUIPMENT
For GTAW (TIG Welding):
• TIG torch, factory assembled with:
• 12.5 ft (3.8m) one-piece cable
• 3/32” Collet body
• 3/32” Collet
• Short backcap
Not assembled:
• 3/32” x 7” 2% Thoriated Tungsten Electrode
• Long backcap
• 1/2” Diameter Alumina gas cup
• Foot Amptrol
tm
remote current control with 15ft
(4.6m) cable
For SMAW (Stick Welding):
• Electrode holder with cable and quick connect plug
For Installation and startup:
• Work Cable and Clamp
WELDING CAPABILITY
The SQUARE WAVE TIG 175 PROPROis rated at 150
amps, 15 volts, at 25% duty cycle on a ten minute
basis. It is capable of higher duty cycles at lower output
currents. It is capable of 175 amps, 27 volts at a lower
duty cycle. If the duty cycle is exceeded, a thermal pro-
tector will shut off the output until the machine cools.
SQUARE WAVE TIG 175 PRO
ELECTRIC SHOCK
can kill.
• Do not touch electrically live parts or
electrode with skin or wet clothing.
•
Insulate yourself from work and ground.
• Always wear dry insulating gloves.
•
Read and follow “Electric Shock Warnings”
in the Safety section if welding must be per-
formed under electrically hazardous condi-
tions such as welding in wet areas or on or
in the workpiece.
FUMES AND GASES
can be dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to
remove fumes from breathing
zone.
WELDING SPARKS
can cause fire or
explosion
• Keep flammable material away.
• Do not weld on containers that
have held combustibles.
ARC RAYS
can burn.
• Wear eye, ear and body
protection.
SAFETY PRECAUTIONS
Read and understand this entire section before operat-
ing the machine.
Observe additional Safety Guidelines detailed in
the beginning of this manual.
WARNING