Hobart Welding Products HANDLER OM-925 217 694A - Manual (Page 22)

OM-925 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:
Pull and hold wire; cut off end.
4 in
(102 mm)
Remove gun nozzle
and contact tip.
Open pressure assembly. Make sure
feed roll is set to correct groove to
match wire size (see Section 6-4).
Push wire thru guides into gun;
continue to hold wire.
.
Hold wire tightly to keep it
from unraveling.
Ref. 803 714-A
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.
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.
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.
6
1 3
4
5 2