Lincoln Electric SQUARE WAVE TIG 255 SVM100-A User Manual
Page 16
B-3
OPERATION
SQUARE WAVE TIG 255
OVER TEMPER-
ATURE
INPUT
POWER
DC+
POLARITY
DC-
POLARITY
DO NOT
SWITCH
WHILE WELD-
ING
WARNING
WATER
(COOLANT)
OUTPUT
WATER
(COOLANT)
INPUT
WORK CONNEC-
TION
GAS OUTPUT
GAS INPUT
ELECTRODE
CONNECTION
PROTECTIVE
GROUND
SINGLE PHASE
TRANSFORMER
AC & DC RECTI-
FIER POWER
SOURCE
TIG (GTAW)
SINGLE
PHASE
PULSED PER
SECOND
GRAPHIC SYMBOLS THAT APPEAR ON
THIS MACHINE OR IN THIS MANUAL (CONT.)
AC POLARITY
f
AC WAVE BAL-
ANCE
&
&