Operation – Lincoln Electric SQUARE WAVE TIG 255 IM520-B User Manual

Page 15

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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

&

&

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