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TO USE THE CLASSIC III OR CLASSIC
IIID FOR DC WIRE FEED WELDING
(CONSTANT VOLTAGE WITH WIRE FEED
MODULE):
1. Connect the LN-25, LN-23P, or LN-7 Wire Feeder.
Follow the installation instructions provided with
the wire feeder.
2. Set the machine for CV operation.
3. Start the engine. See
Engine Operation
in this
section of the manual.
4. Set the Idler Switch to "AUTO."
5. Set the CURRENT RANGE SELECTOR to a set-
ting appropriate for your wire size and wire feed
speed. See Table B.1 for recommended settings.
6. Set the VOLTAGE ADJUSTMENT to the setting
that gives the best arc characteristics for the range
selected.
7. Pull the gun trigger and begin welding.
OPERATION
B-12 B-12
Classic III and IIID
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TABLE B.1
RANGE SETTINGS FOR WIRE SIZE/SPEED
Diameter (inches) Wire Speed Range Appropriate Current Range
(inches/minute)
.035 80-110 80 to 130 Amps
.045 70-130 120 to 190 Amps
.068 40-90 150 to 240 Amps