4-10. Threading Welding Wire
4
1 Wire Spool
2 Welding Wire
3 Inlet Wire Guide
4 Pressure Adjustment Knob
5 Drive Roll
6 Gun Conduit Cable
Lay gun cable out straight.
6
Tools Needed:
1 | 2 | 3 | 5 |
.Hold wire tightly to keep it
from unraveling.
4 in 
(102 mm)
6 in 
(150 mm)
Open pressure assembly. Make sure feed roll is set to correct groove to match wire size (see Section
Tighten
1
2
3
4
Be sure that wire is positioned
in proper feed roll groove. Close and tighten pressure assembly, and let go of wire.
Pull and hold wire; cut off end.
.Use pressure indicator scale to set a desired drive roll pressure.
Pressure
Indicator
Scale
Remove gun nozzle and contact tip.
Push wire thru guides into gun;
continue to hold wire.
INPUT
POWER
Turn power on. Be sure that Voltage range switch is set to range 1, 2, 3, or 4 to feed wire. Rotate knob until it “clicks” into detent. Wire will not feed if range switch is set between ranges or if set in the “PURGE” position.
Tighten
Press gun trigger until wire comes out of gun.
Be sure that tip matches wire diameter. Reinstall contact tip and nozzle.
| 1 |
| 2 |
| 3 |
WOOD | 4 |
Feed wire to check drive roll pressure. Tighten knob enough to prevent slipping.
Cut off wire. Close door.
Ref. 803
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