Miller Spoolmatic 30A Owner's Manual - Page 17
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6-1. Gun Controls
6-2. Gun Pressure Roll Tension Setting
Tools Needed:
SECTION 6 − OPERATION
1
2
1
1
Trigger
Press trigger to energize welding
power source contactor
(if applicable), start shielding gas
flow, and begin wire feed.
2
Wire Speed Control
Use control to fine adjust wire feed
speed set on wire feeder Weld
Speed control.
The
numbers
around the control are for reference
only.
Ref. T0050
.
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.
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 4XXX setting.
Ref. T0050
OM-264 713 Page 13