Lincoln Electric POWER WAVE R500, Operator'S Manual, Page: 18 / 56

OPERATION POWER WAVE ® R500
B-1
• ELECTRIC SHOCK CAN KILL.
• Do not touch electrically live
part or electrode with skin or
wet clothing.
• Insulate yourself from work and
ground.
• Always wear dry insulating gloves.
• Do not operate with covers, panels or guards
removed or open.
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• FUMES AND GASSES can be
dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to
remove fumes from breathing
zone.
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• WELDING SPARKS can cause
fire or explosion.
• Keep flammable material away.
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ARC RAYS can burn.
• Wear eye, ear and body protec-
tion.
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SEE ADDITIONAL WARNING INFORMATION
UNDER ARC WELDING SAFETY PRECAUTIONS
AND IN THE FRONT OF THIS OPERATING MAN-
UAL.
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WARNING
SAFETY PRECAUTIONS
READ AND UNDERSTAND ENTIRE SECTION
BEFORE OPERATING MACHINE.
POSITIVE OUTPUT
NEGATIVE OUTPUT
STATUS
PROTECTIVE
GROUND
COOLER
WARNING OR
CAUTION
GRAPHIC SYMBOLS THAT APPEAR ON
THIS MACHINE OR IN THIS MANUAL
HIGH TEMPERA-
TURE
OUTPUT
OPERATORS
MANUAL
CIRCUIT BREAKER
WORK
DANGEROUS
VOLTAGE
POWER-UP SEQUENCE
When the POWER WAVE ® R500 is powered up, it can take as
long as 30 seconds for the machine to be ready to weld. During
this time period the user interface will not be active.
DUTY CYCLE
The duty cycle is based on a ten-minute period. A 40% duty
cycle represents 4 minutes of welding and 6 minutes of idling in
a ten-minute period. Refer to the technical specification section
for the POWER WAVE ® R500’s duty cycle ratings.