4-7. Threading Welding Wire

+ −

Tools Needed:

1Wire Spool

2Welding Wire

3Inlet Wire Guide

4Pressure Adjustment Knob

5Drive Roll

6Gun Cable

Lay gun cable out straight.

4

1

2

3

5

6

 

 

 

 

. Hold wire tightly to keep it

 

 

 

 

from unraveling.

+ −

 

 

 

+ −

Open pressure assembly.

Tighten

6 in (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.

4 in (102 mm)

Push wire thru guides into gun liner;

continue to hold wire.

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.

INPUT

POWER

Remove gun nozzle and contact tip.

Turn power on.

.Tip adapter may also require removal to allow wire to feed out end of gun.

Tighten

 

 

 

WOOD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Be sure that contact tip matches wire diameter.

Feed wire to check drive roll pressure.

Reinstall tip adapter, if applicable, contact tip

Tighten knob enough to prevent slipping.

and nozzle.

Cut off wire. Close door.

 

 

 

 

 

 

804 123-A

OM-923 Page 15

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Image 19
Hobart 125 EZ, H-9B manual Threading Welding Wire, Input Power