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5-6. Installing And Threading Welding Wire
Install wire spools. Adjust tension nuts so | Install wire guides and | ||||
wire is taut when wire feed stops. | |||||
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Install drive rolls.
| Pressure | |
Pressure | Indicator | |
Scale | ||
Adjust |
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Rear | Pressure | |
Rolls | ||
Adjust | ||
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| Front | |
| Rolls |
No Wire Slip | Wire Slips |
NONCONDUCTIVE | NONCONDUCTIVE |
SURFACE | SURFACE |
Drive Rolls |
| Tools Needed: |
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| Back Of Gun | 3/16, 5/64 in |
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| 15/16, 3/8 in |
End Of Liner
. For best wire feeding performance, be | . For soft wire or small diameter stainless | . To adjust drive roll pressure, hold nozzle |
sure that the outlet cable has the proper size liner for the welding wire size being used. Also, when the gun is installed, the liner extending from the back of the gun should be as close to the drive rolls as possible, 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. Press Jog button to feed wire out gun.
OM-230 009 Page 18
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 |