Threading Welding Wire - Hobart Handler 125 Owner's Manual

4-8. Threading Welding Wire

Tools Needed:
Open pressure assembly.
Tighten
Be sure that wire is positioned
in proper feed roll groove.
Close and tighten pressure
assembly, and let go of wire.
Press gun trigger until wire comes
out of gun.
OM-947 Page 16
5
1 2 3
.
Hold wire tightly to keep it
from unraveling.
(150 mm)
Pull and hold wire; cut off end.
.
Loosen knob completely, then rotate
pressure adjustment knob in a
clockwise direction until drive roll is
tight against the welding wire.
Adjust drive roll pressure just
tightly enough to prevent wire
from slipping against drive roll
during operation.
Remove gun nozzle and contact tip.
.
Tip adapter may also require removal
to allow wire to feed out end of gun.
Be sure that contact tip matches wire diameter.
Reinstall tip adapter, if applicable, contact tip
and nozzle.
4
6
6 in
Push wire thru guides into gun liner;
Feed wire to check drive roll pressure.
Tighten knob enough to prevent slipping.
1 Wire Spool
2 Welding Wire
3 Inlet Wire Guide
4 Pressure Adjustment Knob
5 Drive Roll
6 Gun Cable
Lay gun cable out straight.
4 in
(102 mm)
continue to hold wire.
INPUT
POWER
Turn power on.
Tighten
WOOD
Cut off wire. Close door.
Ref. 803 444-A / Ref. 205 837