Operation; Safety Precautions; Graphic Symbols; Common Welding Abbreviations - Lincoln Electric 12442 Operator's Manual

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SAFETY PRECAUTIONS

Read this entire section of operating instructions
before operating the machine.
WARNING
ELECTRIC SHOCK can kill.
• Unless using cold feed feature, when
feeding with the gun trigger, the
electrode and drive mechanism are
always electrically energized and
could remain energized several sec-
onds after welding ceases.
• Do not touch electrically live parts or
electrodes with your skin or wet
clothing.
• Insulate yourself from the work and ground.
• Always wear dry insulating gloves.
ONlY QUAlIFIED PERSONS ShOUlD INSTAll,
USE OR SERvICE ThIS EQUIPmENT. READ AND
FOllOW ThE mANUFACTURER'S INSTRUC-
TIONS, EmPlOYER'S SAFETY PRACTICES AND
mATERIAl SAFETY DATA ShEETS (mSDS) FOR
CONSUmABlES.
-----------------------------------------------------------
READ ThIS WARNING, PROTECT YOURSElF &
OThERS.
FUMES AND GASES can be
dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust at the arc,
or both,to keep fumes and gases
from your breathing zone and gener-
al area.
WELDING SPARKS can cause
fire or explosion.
• Do not weld near flammable material.
• Do not weld on containers which have held flam-
mable material.
ARC RAYS can burn.
• Wear eye, ear, and body protection.
-----------------------------------------------------------
Observe additional guidelines detailed in the
beginning of this manual.

OPERATION

GRAPHIC SYMBOLS THAT APPEAR ON
THIS MACHINE OR IN THIS MANUAL

COMMON WELDING ABBREVIATIONS

WFS
• Wire Feed Speed
CV
• Constant Voltage
GMAW (MIG)
• Gas Metal Arc Welding
FCAW (Innershield or Outershield)
• Flux Core Arc Welding
LF-74
COLD FEED
POSITIVE OUTPUT
NEGATIVE OUTPUT
PROTECTIVE
GROUND
WARNING OR
CAUTION
DANGEROUS
VOLTAGE
SHOCK
HAZARD
WELDING
FUMES
EXPLOSION
GAS INPUT
WORK
CONNECTION
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