Hobart Welding Products OM-944 196 639G - Manual (Page 22)

OM-944 Page 18 Return To Table Of Contents
4-10. Threading Welding Wire
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.
Tools Needed:
6
1 3
4
5
Pull and hold wire; cut off end.
4 in
(102 mm)
Remove gun nozzle and contact tip.
Open pressure assembly. Push wire thru guides into gun;
continue to hold wire.
.
Hold wire tightly to keep it
from unraveling.
Ref. 802 444-C
WOOD
Feed wire to check drive roll pressure.
Tighten knob enough to prevent slipping.
Cut off wire. Close door.
Press gun trigger until wire comes
out of gun.
2
Turn power on.
INPUT
POWER
6 in
(150 mm)
Tighten
1
2
3
4
.
Use pressure indicator
scale to set a desired
drive roll pressure.
Pressure
Indicator
Scale
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.
Be sure that tip matches wire diameter.
Reinstall contact tip and nozzle.