Lincoln Electric IM520-B Welding System User Manual


 
15
OVER
TEMPERATURE
INPUT
POWER
DC+
POLARITY
DC-
POLARITY
DO NOT
SWITCH
WHILE
WELDING
WARNING
WATER
(COOLANT)
OUTPUT
WATER
(COOLANT)
INPUT
WORK
CONNECTION
GAS OUTPUT
GAS INPUT
ELECTRODE
CONNECTION
PROTECTIVE
GROUND
SINGLE PHASE
TRANSFORMER
AC & DC
RECTIFIER
POWER
SOURCE
TIG (GTAW)
SINGLE
PHASE
PULSED PER
SECOND
GRAPHIC SYMBOLS THAT APPEAR ON
THIS MACHINE OR IN THIS MANUAL (CONT.)
AC POLARITY
OPERATION
f
AC WAVE
BALANCE
&
&