Operation; Safety Precautions - Lincoln Electric LN-25 Service Manual

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SAFETY PRECAUTIONS

READ AND UNDERSTAND ENTIRE SECTION
BEFORE OPERATING MACHINE.
WARNING
ELECTRIC SHOCK CAN KILL.
• Unless using COLD FEED fea-
ture, when feeding with gun trig-
ger, the electrode and drive
mechanism are always electri-
cally energized and could remain
energized several seconds 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.
---------------------------------------------------------------------
FUMES AND GASSES 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.
---------------------------------------------------------------------
ARC RAYS can burn.
• Wear eye, ear and body protec-
tion.
---------------------------------------------------------------------
SEE ADDITIONAL WARNING
UNDER ARC WELDING SAFETY PRECAUTIONS
AND IN THE FRONT OF THIS OPERATING MANU-
AL.
---------------------------------------------------------------------

OPERATION

GRAPHIC SYMBOLS THAT APPEAR
ON THIS MACHINE OR IN THIS
MANUAL
INFORMATION
LN-25™ PIPE
INPUT POWER
ON
OFF
WIRE FEEDER
POSITIVE OUTPUT
NEGATIVE OUTPUT
INPUT POWER
DIRECT CURRENT
OPEN CIRCUIT
U 0
VOLTAGE
U 1
INPUT VOLTAGE
U 2
OUTPUT VOLTAGE
I 1
INPUT CURRENT
I 2
OUTPUT CURRENT
PROTECTIVE
GROUND
WARNING OR
CAUTION
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