LORCH M 150 CuSi BasicPlus Manuel D'utilisation page 40

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.
Abb. 11: Wire feed button
 Press wire feed button 29.
 Adjust the contact pressure using the reg-
ulation 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.
- 40 -
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
feed rollers 25 on the side of the inlet noz-
zle 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
protrudes from the torch neck by about 20
mm.
 Screw the contact tip matching the wire
thickness into the torch and cut off the
protruding end of the wire.
Before start-up
A
B
B
Wrong wire
Contact pres-
sure too high feed roller
C
C
10.13