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B-1
OPERATION
B-1
MAGNUM™ PRO 350 and 550 FUME GUNS
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts
or electrode with skin or wet cloth-
ing.
•
Insulate yourself from work and
ground.
• Always wear dry insulating gloves.
•
Read and follow “Electric Shock
Warnings” in the Safety section if weld-
ing must be performed under electrical-
ly hazardous conditions such as weld-
ing in wet areas or on or in the work-
piece.
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
PRODUCT DESCRIPTION
• Reliable, industrial-quality welding gun primarily for
experienced welders.
• In a few seconds the trigger may be rotated 180
degrees to a trigger “up” or “down” position by the
welding operator. Neither tools nor gun disassembly
is required.
• GMAW or FCAW fume collection nozzles may be
selected for fume collection. They can be easily and
quickly installed or removed by hand. The design tol-
erates dirt accumulation and heat without seizing in
place.
• Optional dual-procedure switch and modular trigger
connection to wire feeder.
• Spoiler: An optional ergonomic hand grip.
• Gun cable compactly integrates welding current, wire
feeding, and gas supply with gun control functions.