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OPERATING INSTRUCTIONS
Read and understand this entire section before operat-
ing your SA-250.
SAFETY INSTRUCTIONS
Do not attempt to use this equipment until you have
thoroughly read all the operation and maintenance
manuals supplied with your machine. They include
important safety precautions; detailed engine starting,
operating, and maintenance instructions; and parts
lists.
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or
electrodes with your skin or wet clothing.
• Insulate yourself from the work and
ground.
• Always wear dry insulating gloves.
FUMES AND GASES can be dan-
gerous.
• 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.
ENGINE EXHAUST can kill.
• Use in open, well ventilated areas or
vent exhaust to the outside.
• Do not stack anything on or near the
engine.
MOVING PARTS can injure.
• Do not operate this equipment with any
of its doors open or guards off.
• Stop the engine before servicing it.
• Keep away from moving parts.
Only qualified personnel should install, use, or ser-
vice this equipment.
GENERAL DESCRIPTION
The SA-250 is a heavy duty engine driven DC arc
welding power source capable of providing constant
current output for stick welding or DC TIG welding.
With the addition of the optional Wire Feed Module, the
SA-250 will provide constant voltage output for running
the LN-7 or LN-25 wire feeders.
The SA-250 has a current range of 40-325 DC amps
with a 60% duty cycle at 250 amps/40 volts. The units
are also capable of providing 3 kVA of 115/230 volt, 60
Hertz AC auxiliary power.
This unit uses the Perkins D3.152 three-cylinder,
industrial water-cooled diesel engine.
OPERATION
B-2 B-2
SA-250
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WARNING
WARNING