Lincoln Electric 205-TAC/DCTIG Welding System User Manual


 
B-12
OPERATION
B-12
DC TIG WELDING QUICK START UP
ELECTRIC SHOCK can kill.
• Have an electrician install and
service this equipment.
• Turn the input power off at the fuse box, dis-
connect or unplug supply lines and allow
machine to sit for five minutes minimum to
allow the power capacitors to discharge before
working inside this equipment.
• Do not touch electrically hot parts.
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Connect up the shielding gas – typically argon – using
an appropriate regulator. Connect foot amptrol, torch
and work lead to power source.
With the Work cable connected to a properly ground-
ed work piece, turn the power source on.
To change to DC TIG Welding:
• Press Mode button to select "DC TIG."
• Press Trigger Mode button and set to 2-step.
• Press Local / Remote Mode button and set for
Remote.
• Pulsing parameters selected by Parameter button,
and changed using Output Control.
Set the maximum output current desired using the
Output Control.
Initiate the arc by closing the Foot Amptrolʼs arc start
switch. The Amptrol will control the output current
from 10 amps to current level set by output control.
To change the Post Flow time, repeatedly push the
Parameter button until the Post Flow indicator light is
on. Adjust the Output control to the desired Post Flow
time as indicated on digital display.
To change from High Frequency to Lift Start (Refer
to Set-Up menu in Operation Section of this manual),
turn power source off. Press and hold the Parameter
button while the power source is turned on. A “0” in
the center of the digital display indicates the Set Up
Menu is now active. Rotate the Output Control until #
10 is displayed. Press the Parameter button again and
rotate the Output Control until “1” is displayed. Press
the Parameter button to accept this setting. Rotate the
Output Control until “0” is displayed. Press the para-
meter button to exit the Set Up Menu.
V205-T DC & V205-T AC/DC TIG
WARNING