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Wiring of three phase 50/60Hz welding machine
No.
Item
No.
Item
1
Power cord
3
Terminal block
2a
Live wire L1
4
Overcurrent protection device
2b
Live wire L2
5
GND
2c
Live wire L3
6
Earth wire terminal block
2d
Earth wire
7
Electric control box
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.
1.2.
Confirm the electrical grid connected to the welding machine is consistent with
the correct power supply of the machine.
1.3.
Confirm that the insulation layers on all the wires and cables of the welding
machine are intact and that the cable set is secure and correctly connected to
the machine.
1.4.
Confirm the machine is freely vented and that the vents on the machine are not
obstructed and no objects are lying on the machine body.
1.5.
Connect and tighten the earth cable to the negative pole. Clamp the other end
of the cable to the workpiece.
2b
3
7
6
4
5
1
2c
2d
2a