Lincoln Electric AUTODRIVE 4R90 - Manual (Page 17)

B-1 OPERATION
AutoDrive 4R90
B-1
• ELECTRIC SHOCK CAN KILL.
Unless using COLD FEED fea-
ture, when feeding with gun trig-
g e r , t h e e l e c t r o d e a n d d r i v e
mechanism are always electri-
c a l l y e n e r g i z e d a n d c o u l d
remain energized several sec-
onds after the welding ceases..
• 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
R E A D A N D U N D E R S T A N D E N T I R E S E C T I O N
BEFORE OPERATING MACHINE.
WIRE FEEDER
POSITIVE OUTPUT
NEGATIVE OUTPUT
INPUT POWER
DIRECT CURRENT
OPEN CIRCUIT
VOLTAGE
INPUT VOLTAGE
OUTPUT VOLTAGE
INPUT CURRENT
OUTPUT CURRENT
PROTECTIVE
GROUND
WARNING OR
CAUTION
U0
U1
U2
I1
I2
GRAPHIC SYMBOLS THAT APPEAR ON
THIS MACHINE OR IN THIS MANUAL