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Lincoln Electric IM10163 FLEX FEED 74 HT User Manual

Page 38

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B-1

OPERATION

GRAPHIC SYMBOLS THAT APPEAR ON
FLEX FEED

74 HT OR IN THIS MANUAL

FLEX FEED™ 74 HT

ON

OFF

WIRE FEEDER

REMOTE VOLTAGE
CONTROL

V

GMAW/FCAW
PROCESS

CARBON ARC
GOUGING PROCESS

CONTACTOR

COLD FEED

GAS PURGE

SHIELDING GAS
INLET

SHIELDING GAS
OUTLET

PREFLOW

t

BURNBACK

2

POSTFLOW

2-STEP TRIGGER

TRIGGER INTER-
LOCK

THREMAL

WELDING AMPERAGE

WELDING VOLTAGE

POSITIVE OUTPUT

NEGATIVE OUTPUT

INPUT POWER

INPUT VOLTAGE

INPUT CURRENT

OUTPUT CURRENT

PROTECTIVE
GROUND

WARNING OR
CAUTION

U1

I1

I2

A