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g. Reinstall the contact
tip after the wire has
emerged from the torch.
h. In order to avoid
slipping, recheck the wire-
feeding pressure and
adjust if required.
i.
Allow approximately 10
to 15mm wire outside the
contact tip and cut the
excess.
Brief Procedure for Welding Operation
1.
Preparation before welding
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 the gas in the gas cylinder is sufficient, no damage to the gas hose and
flowmeter.
1.4.
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.
1.5.
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.
1.6.
Switch on the machine and ensure the indicator light is lit and the fan is operational.
1.7.
Press the manual wire feeding button and make sure it is operating correctly.
1.8.
Set the required parameters on the control panel, press the trigger switch on the
torch and ensure wire feed and gas flow is operational.