Threading Welding Wire - Miller 3045 FC Owner's Manual

4-6. Threading Welding Wire

Tools Needed:
Open pressure assembly.
Close and tighten pressure
assembly, and let go of wire.
Press gun trigger until
wire comes out of gun.
1
2 3 5
.
Hold wire tightly to keep it
from unraveling.
(150 mm)
Pull and hold wire; cut off end.
Tighten
Remove gun nozzle and
Reinstall contact tip
and nozzle.
4
6
6 in
Push wire thru guides into gun;
continue to hold wire.
contact tip.
WOOD
Feed wire to check drive roll pressure.
Tighten knob enough to prevent
slipping. Cut off wire. Close door.
1 Wire Spool
2 Welding Wire
3 Inlet Wire Guide
4 Pressure Adjustment Knob
Turn knob to increase or decrease
drive roll pressure.
5 Drive Roll
6 Gun Conduit Cable
Lay gun cable out straight. Thread
wire as shown below.
.
See Sections 5-1 and 5-2 for
weld parameters for Constant
Current (CC) and Constant
Voltage (CV) power sources.
.
Wire size is stamped on con-
tact tip – check and match wire
size (see Section 6-3).
Close and latch door.
INPUT
POWER
Turn power On.
Place CC/CV
switch in CC position.
Place CC/CV
switch in position that
matches output from
power source.
Ref. 802 971-B / Ref. 205 837
OM-1500-3 Page 15