ALIEN WELD XM250 Посібник користувача - Сторінка 11

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4.5. Gas bottle installation

Connection of Shield Gas

Connect the CO

hose, which come from the wire feeder to the copper nozzle

of gas bottle. The gas supply system includes the gas bottle, the air regulator

and the gas hose, the heater cable should be inserted into the socket of

machine's back, and use the hose clamp to tighten it to prevent leaking or

air-in, so that the welding spot is protected.

Please note:

Avoid the sunshine on the gas cylinder to eliminate the possible

explosion of gas cylinder due to the increasing pressure of gas

resulted from the heat.

2) Fixed connector avoid leakage of shielding gas affects the

performance of arc welding.

3) It is extremely forbidden to knock at gas cylinder or lay the cylinder

horizontally.

4) Ensure no person is up against the regulator, before the gas release or

shut the gas output.

5) The gas output volume meter should be installed vertically to ensure

the precisely measuring.

6) Before the installation of gas regulator, release and shut the gas for

several time in order to remove the possible dust on the sieve to avail

the gas output.

The welding material, process and gas selection are listed below:

Material

Carbon steel

Stainless steel

Aluminum silicon

Aluminum

magnesium

Aluminum alloy

Note: Since the arc of MIG welding is much strong than that of MMA welding, please wear welding helmet and protective clothing

Process

Constant voltage

Pulse

Cool pulse

Gas

100% CO2

80/20 mixed gas

98/2 mixed gas

100% pure argon