Thermal Arc 180 AC, User Manual

Page: 19 / 36

Notice NOT 034
THERMAL ARC 180 AC/DC
Rev : 00
Date : 03/12/02
USING
USER’S MANUAL
Page
19/36
4 STROKE MODE
12.2. BEFORE WELDING
- connect the power source to the main supply and the ground as explained in the chapter « Setting
up » (as para 6 and 7).
- connect the ground cable to the power conn ( F4 ) and the torch to the – ( F3 ).
- start up the power source with the main switch ON/OFF ( B2 ).
- select the TIG welding mode with the key F14 , to light indicator F24 . Check that the indicators F26
and F27 are extinguished. If not, press the setting key F15 to extinguish them.
-
select the « 2 stroke or 4 stroke » welding mode with the key F12 .
If the mode « 4 stroke » is selected, the indicator F22 illuminates.
If the mode « 2 stroke » is selected, the indicator F21 illuminates.
- select the ignition mode with the key F13 . If « HF ignition » is selected, the indicator F23 illuminates.
- set the TIG cycle parameters :
During their adjustment, the parameter’s value is displayed by digital display F5 . When adjusting a
current, the indicator F18 illuminates (A - Amps). In the other case, it is OFF. Then, the unit of the
value displayed is written on the setting key.
X
Pre-gas :
Press the setting key F7 , adjust the pre-gas time with the potentiometer F9 .
When the potentiometer is at the minimum, the pre-gas time is 0.1s, and at the maximum, the pre-gas
time is 5s.
The value can be read on the display
F5 (The indicator F18 or F19 goes out).
The pre-adjusted value is 0.5s.
Release the key when your setting is finished.