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groove. To prevent problems with feeding use wires with diameter 1,0 or
more mm of AlMg3 or AlMg5. The torch must be equipped with Teflon
liner and special tip. As shielding atmosphere use Argon.
Fig 6 – Set for welding aluminium
G1
EURO connector
G2
Rolls
G3
Liner terminal for 4,0mm, 4,7mm outer diameter
G4
O – ring 3,5x1,5mm
G5
Nut
G6
Teflon Liner
G7
Sustain pipe for teflon and plastic liner
7.4 GAS FLOW SETTING
The electric arc and the weld must be perfectly shielded by gas. Too small
amount of gas does not perform the protective atmosphere and on the other
hand to big amount of the gas brings air into the electric arc.
Fig. 7 – Gas fitting. The picture is just for illustration. The portable PEGAS
250/320 MIG MAN are not equipped to support the gas cylinders. The gas
cylinders must be well fitted in another gadget in accordance with the
appropriate safety rules.