26
27
25
Abb. 9:
close 2-roll feed
26
27
25
Abb. 10:
close 4-roll feed
Turn on the machine at mains switch 9.
Â
Abb. 11:
Wire feed button
Press wire feed button 29.
Â
Adjust the contact pressure using the re-
Â
gulation screws 27 so that wire feed rollers
25 just slip when the welding wire spool is
stopped. The wire must not be jammed or
deformed.
- 38 -
28
11
28
28
27
25
29
A
Correct
11
Abb. 12:
Wire feed rollers
Note for wire feed unit with 4 rollers:
Adjust the contact pressure of the wire
Â
feed rollers 25 on the side of the inlet no-
zzle 26 to be less than on the side of the
central socket 11 in order to keep the wire
electrode under tension in the wire feed
unit.
Push the wire feed button 29 until the wire
Â
protrudes from the torch neck by about 20
mm.
Screw the contact tip matching the wire
Â
thickness into the torch and cut off the
protruding end of the wire.
12 .7
Connecting the inert gas
cylinder
Set the insert gas cylinder 14 down on the
Â
carrier plate and secure it with the chain 1.
Briefly open the gas cylinder valve 32 se-
Â
veral times in order to blow out any dirt
particles present.
Connect the pressure reducer 13 to the
Â
inert gas cylinder 14.
Screw the inert gas hose 5 to the pressure
Â
reducer.
Open valve 32 of shielding gas bottle 14.
Â
Turn the machine off at main switch 9.
Â
Press torch key and keep it pressed.
Â
Before start-up
p
p
A
B
B
Contact pres-
Wrong wire
sure too high
feed roller
p
C
C
01.10