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10. OPERATION (continued)
WARNING
Observe the following to prevent electric shock.
*Do not touch the live electrical parts; otherwise, you might receive serious
electric shock or get burned.
٨
Do not touch the electrode while pressing the TORCH switch.
٨
Disconnect the welding power source form input power supply before
replacing the electrode.
٨
Wear dry clothes and gloves during welding.
CAUTION
٨
This welding machine should be operated by persons only after reading and
understanding contents of this owner’s manual and having knowledge and skills for
handling the welding machine safely.
٨
Use this welding power source at or under the rated duty cycle. Exceeding the rated duty
cycle limitation may result in damage to the welding machine.
When reading the operating instructions described below, unfold page (section 14) so that you can
read them confirming the location of the keys on the front panel.
10. 1
TIG Welding
10.1.1
DC TIG Welding
Set the welding process to DC TIG ( ), AC TIG ( ) or AC-DC TIG( )
with the WELDING METHOD key [1].
10.1.2
Parameter setting
Choose parameter by anti-clockwise direction Choose parameter by clockwise
direction
PULSE CURR.
WELDING CURR.
㧔
BASE CURR.
㧕
PULSE FREQ.
UP SLOPE
DOWN SLOPE
INITIAL CURR.
CRATER-FILL
CURR.
T1
T2
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Part of sequence parameter setting
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CAUTION
Observe the followings to perform TIG welding safely.
٨
Adjust the amount of shield gas with the GAS CHECK key. Using the torch switch for
adjustment of shield gas may result in generating unnecessary high frequency for a long
time period.
٨
Using improper electrode may cause failure of arc start, and generate useless high
frequency.
٨
Improper shielding gas flow may cause failure of arc start, and generate useless high
frequency.
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