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6-1. Gun Controls

6-2. Gun Pressure Roll Tension Setting

Tools Needed:

OM-285555 Page 12

SECTION 6 − OPERATION

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.

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.

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 4XXXX setting.

source

contactor

(if

Ref. 285543-A