P
ERFORMING
W
ELDING
O
PERATION
W
ELDING
O
PERATION
C
HAPTER
5
5-10
5.6.3
Operation at welding end
This section explains the supply stop procedure of power/shield gas after the welding end.
1.
Close the main tap of the shield gas.
2.
Press the GAS CHECK key.
⇒
The LED of the GAS CHECK key lights up, and the shield gas remained in the gas piping is
discharged.
3.
After the shield gas is discharged, press the GAS CHECK key.
⇒
The LED of the GAS CHECK key lights off, to stop gas check.
4.
Set the flow adjustment knob to “SHUT", to adjust the shield gas flow rate to zero.
5.
Turn OFF the power switch of the welding power supply.
⇒
The power LED switch lights off.
6.
Shut off the input power.
●
Operate the disconnect switch to shut off the input power.
Input power supply
Shut off
Cover
OFF
Power switch
Main valve
SHUT
Flow rate
adjustment knob
GAS CHECK key
GAS
Welding power
source
Welding power
source
