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ALFA IN a.s. ©
www.alfain.eu
Fig. 4 – Spool holder
•
Open the side cover of the wire feeder space
•
Put the wire spool on the wire spool holder D1 using the adapter D3 and
fix it with the fixing nut D2
•
Cut off the curved or damaged end of welding wire and lead it through the
inlet liner E3, and the roll into the liner inside the EURO torch connector
(about 5 cm). Make sure, that you use the suitable groove.
•
Put the pressure arm E2 down in that way, that the teeth or the gear fit
and fix it by setting the lever E1 into vertical position.
•
Adjust the pressure nut that way that it provides constant movement of
wire but it does not deform wire.
7.2 CHANGING THE WIRE FEEDER ROLL
•
Every wire feeding roll in ALFA IN machines can be used for two different
diameters of welding wire – the rolls have two grooves.
•
When the machine is equipped with two roll wire feeder move the lever E1
to the right (2 roll feeder)/ forward (4 roll feeder). The pressure arm shall
pop up.
•
Unscrew the plastic fixing cup E5 and take off the roll
•
In case there is suitable groove on the roll, turn it around and fix it back to
the feeder.
∅ 1,0
1,0
1,2
0,8
A
B
C
Fig. 5- The influence of the roll groove on the wire
7.3 ADJUSTING THE MACHINE FOR WELDING OF ALUMINIUM
•
For feeding the AL wire it is necessary to use roll with the “U” profile of the
A
Correct
B
Wrong
C
Wrong