
-
12
-
3.4.
An earth cable set must be securely connected from the machine to the
work
-
piece. The machine must be earthed.
3.5.
Ensure that the required power supply of the machine (as printed on its
nameplate) corresponds to the main power supply.
3.6.
The connection screws on the terminal block must be tight ensuring a solid
connection between the machine cable wires and the main power supply.
3.7.
The correct wiring procedure is explained in the following diagram:
Wiring of single phase AC 50/60Hz welding machine
No.
Item
No.
Item
1
Power cord
4
Overcurrent protection device
2a
Live wire L
5
GND
2b
Neutral wire N
6
Earth wire terminal block
2c
Earth wire
7
Electric control box
3
Terminal block
Brief Procedure for the welding operation
1. Welding Process
1.1.
Wear the necessary welding protection equipment such as helmet, mask,
earplugs, protective clothing, gloves, insulating safety shoes.
2c
2b
2a
3
7
6
4
5
1