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4.3
Changing the feed roller (A2 TF, A2 TG)
Single wire
S
Release the knobs (3) and (4).
S
Release the hand wheel (2).
S
Change the feed roller (1).
They are marked with their respective wire sizes.
Twin wire (Twin--arc)
S
Change the feed roller (1) with twin grooves in the same way as for single wire.
S
NOTE!
The pressure roller (5) must also be changed. A special curved pressure
roller for twin wire replaces the standard pressure roller for single wire.
S
Assemble the pressure roller with special stub shaft
(order no. 0146 253 001).
Flux--cored wire for knurled rollers (Accessories)
S
Change the feed roller (1) and pressure roller (5) as a pair for the wire size to be
used.
NOTE!
A special stub shaft is required for the pressure roller
(order no. 0212 901 101).
S
Tighten the pressure screw (4) with moderate pressure to ensure that the
flux--cored wire does not deform.
GB