Operation - Lincoln Electric LN-25 SVM179-B Service Manual

B-2
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
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.
---------------------------------------------------------------------
• FUMES AND GASSES 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.
----------------------------------------------------------------------
ARC RAYS can burn.
• Wear eye, ear and body protec-
tion.
---------------------------------------------------------------------
SEE ADDITIONAL WARNING INFORMATION
UNDER ARC WELDING SAFETY PRECAUTIONS
AND IN THE FRONT OF THIS OPERATING MANU-
AL.
----------------------------------------------------------------------

OPERATION

energized and could
LN-25™ PRO
GRAPHIC SYMBOLS THAT APPEAR ON
THIS MACHINE OR IN THIS MANUAL
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
B-2