Miller XR-W Aluma-Pro Plus 25 Manual del usuario - Página 16
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6-1. Gun Controls
6-2. Gun Pressure Roll Tension Setting
Tools Needed:
OM-285555 Page 12
SECTION 6 − OPERATION
1
2
1
Trigger
Press trigger to energize welding
power
applicable), start shielding gas flow,
and begin wire feed.
Controls at the wire feeder can be set
to provide timed shielding gas
preflow and postflow when trigger is
pressed and released. When this
feature is turned Off, no preflow or
postflow is provided for the welding
operation.
2
Gun Wire Speed Control
Use control to fine adjust wire feed
speed set at the wire feeder. Gun
Wire Speed Control has 3-3/4 turns
of adjustment from minimum to maxi-
mum.
Rotate control clockwise to increase
wire speed and counterclockwise to
decrease wire speed.
.
Speed control can be rotated
more than 3-3/4 turns in both di-
rections without being damaged.
.
Aluminum series specific -
Pressure roll tension setting
ensures smooth wire feeding
action.
.
Gun Pressure Roll Tension is
factory set to 4XXX.
1
Pressure Roll Adjustment
Screw
Wire tension should be set to 4XXX
for 4000 series aluminum wire.
Rotate Pressure Roll Adjustment
Screw fully counterclockwise until
indicator line on adjustment knob
lines up with indicator line on handle
in the 4XXX position.
1
Wire tension should be set to 5XXX
for 5000 series aluminum and stain-
less wire.
Rotate Pressure Roll Adjustment
Screw fully clockwise until indicator
line on adjustment knob lines up
with indicator line on handle in the
5XXX position.
.
Small diameter (.035) 5000
series wire may run better on
the 4XXXX setting.
source
contactor
(if
Ref. 285543-A
Ref. 285543-A