SMART 200 MP
20
3.3. TIG WELDING. INSTALLATION AND START-UP AND
3.3.1 TIG SYSTEM INSTALLATION. TORCH TO NEGATIVE POLE.
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1
Pressure reducing valve
2
Machine-gas connection
3
Earth clamp cable
5
TIG Torch
3.3.2 TIG SYSTEM START-UP.
1) Make sure the mains voltage is 230 V.
2) Connect supply cable with the suitable plug to the relevant single-phase tap. See section 2.2.
3) Verify that the torch polarity is negative.
4) Check that the gas is Argon. If it has a mobile workstation, check that the gas bottle is securely held by the bottle-
holder system. Above all check that the safety chain is perfectly fastened.
5) Install the pressure-reducing valve and connect gas hose checking that there are no leakages, throughout the
whole circuit.
3.4. COATED ELECTRODE WELDING (MMA). INSTALLATION AND START-UP
3.4.1 MMA INSTALLATION SYSTEM. ELECTRODE-HOLDER CLAMP TO POSITIVE (REVERSE POLARITY).
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Earth clamp cable
6
Electrode-holder clamp
3.4.2 MMA SYSTEM START-UP.
1) Make sure the mains voltage is 230 V.
2) Connect supply cable with the suitable plug to the relevant single-phase tap.
See section 2.2.
3) Connect electrode-holder clamp to polarity recommended by electrode manufacturer. Normally to positive
pole.
4) Connect earth clamp to welding table or piece to be welded. Check correct connection of welding masses.
5) Verify that electrodes are dry. If necessary, preheat electrodes for at least one hour with oven.
