6
ASSEMBLING THE UNIT cont'd
Press the lever
Q
to remove roller
R
.
Unscrew the gas nozzle
S
and the contact tip
T
.
Press the lever
Q
to raise the wire press bearing
U
so
that there are no obstacles to the rst wire insertion.
Press the welding torch button
V
to feed the wire until
it comes out the diffuser
Z
.
The wire must move forward at a reduced speed.
It is recommended to stop the wire as soon as it comes
out of the liner
X
and then make it move forward in
small steps until it enters the liner
Y
and comes out of
the diffuser
Z
.
Introduce the roller by orienting the collar
R1
as shown
in the picture.
Screw the nut
P
rotating it COUNTERCLOCKWISE. .
Check that the wire is placed inside the wire feed roller
groove
R
and then release the lever
Q
so that the
wire pressure bearing
U
presses the wire onto the
roller
R
.
Replace the guard
O
and retighten the knob
N
to lock
it.
Tighten the contact tip
T
and the gas nozzle
S
.
W
N
A1
H
G K
M
AC
C
A1
B
C1
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