4-6. Installing And Threading Welding Wire
Install wire spool. Adjust tension nut so | Install wire guides and | ||||
wire is taut when wire feed stops. | |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Pressure | |
| Indicator | |
Pressure | Scale | |
Adjust |
| |
Rear | Pressure | |
Rolls | ||
Adjust | ||
| ||
| Front | |
| Rolls |
No Wire Slip
NONCONDUCTIVE
SURFACE
Drive Rolls
Gun Cable
End Of Liner
Install drive rolls.
Wire Slips
NONCONDUCTIVE
SURFACE
Tools Needed:
3/16, 5/64 in
15/16, 3/8 in
.Be sure that outlet cable has proper size
liner for the welding wire size. When installing gun, position liner extending from outlet wire guide as close as possible to drive rolls without touching.
Install gun. Lay gun cable out straight. Cut off end of wire. Push wire through guides up to drive rolls; continue to hold wire. Once wire has reached the liner,
.For soft wire or small diameter stainless . To adjust drive roll pressure, hold nozzle
steel wire, reduce drive roll pressure on | about 2 in (51 mm) from nonconductive |
the rear roll to half that of the front rolls. | surface and press gun trigger to feed wire |
| against surface. Tighten knob so wire |
| does not slip. Do not overtighten. If con- |
| tact tip is completely blocked, wire should |
| slip at the feeder (see pressure adjust- |
| ment above).Cut wire off. Close cover. |
Ref. 156
