31
Chapter 4
Connection
C
ONNECTING
THE
W
ELDING
P
OWER
S
OURCE
C
ONNECTION
C
HAPTER
4
4.2.3
Connection of welding torch
This section explains the procedure for connecting the welding torch.
1.
Connect the torch cable to the wire feeder.
●
Fit the form of the connector with that of the terminal, fully insert the connector.
2.
When using the water-cooled welding torch, connect the water feeding hose and condensing hose of the
welding torch to the wire feeder.
●
Fully insert the hose end to the connection port of wire feeder.
For disconnection, hold the hose end, and press the collar part to the arrow mark direction shown in the figure.
Connection for welding torch is complete. Procedure is followed by 4.2.6
-
Connection of shield gas.
4.2.4
Connection at TIG welding
CAUTION
•
In using the welding power source for TIG welding, prepare a welding torch by the
customer.
•
Contrary to the normal connection, the TIG welding requires connection of the welding
torch to the output terminal (base metal side). Also, connect the power cable for base
metal side to the output terminal (torch side).
•
After five seconds have passed, the safety voltage (approx.15 V) is automatically
provided.
Wire feeder
Feeding water
port (blue collar)
Feeding water
hose (blue)
Condensing water
hose (red)
Torch cable
When water-cooled
welding torch is used
Condensing water
port (red collar)
When air-cooled
welding torch is used