14
9. Operation
9.1 Operation at TIG welding
(a)Set the welding process switch on
the front panel at "TIG welding".
(b)Turn on the switch of the switch box.
(c)Turn on the power switch on the front
panel.
The power lamp (green) turns on.
Cooling fan rotates.
(d)Check gas flow.
By setting gas check switch at "Check", gas valve opens and argon
gas is supplied.
(e)Welding work starts.
Set the switch at "Weld" side after checking gas flow.
By pressing torch switch bringing the torch close to base metal, arc
is generated.
Welding current is controlled as shown in the following diagram by
operating the crater control, torch and pulsation switches.
(f)Welding work ends.
Close the argon gas cylinder after finishing welding work. . Stop the
cooling water if used.
(g)Turn off the power switch on the front
panel.
(h)Turn off the switch of the switch box.
9.2 Stick welding operation
(a)Set the welding process switch on the
torch select switch at "Air".
(b)Turn on the switch of the switch box.
(c)Turn on the power switch on the front
panel.
The power lamp (green) turns on.
Cooling fan rotates.
Output voltage is generated between the
output terminals.
(d)Welding work starts.
Carry out stick welding as per normal
procedure.
Welding current is adjusted by the welding
current adjustor on the front panel.
(e) Welding work ends.
(f)Turn off the power switch on the front
panel.
(g)Turn off the switch of the switch box.
Summary of Contents for YC-400TX
Page 25: ...22 14 Circuit diagram ...
Page 28: ...25 16 Outline drawing ...