4. threading welding wire – Hobart Welding Products OM-948 User Manual

Page 9

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OM-948 Page 5

3-4.

Threading Welding Wire

1

Wire Spool

2

Welding Wire

3

Inlet Wire Guide

4

Pressure Adjustment Knob

5

Drive Roll

6

Gun Cable

Lay gun cable out straight.

Tools Needed:

6

1

Pull and hold wire; cut off end.

4 in

(102 mm)

Remove gun nozzle and contact tip.

Open pressure assembly.

Push wire thru guides into gun liner;

continue to hold wire.

.

Hold wire tightly to keep it
from unraveling.

Ref. 803 444-A / Ref. 205 837

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.

2

Turn power on.

INPUT

POWER

6 in

(150 mm)

Tighten

.

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 on or against drive
roll during operation.

Tighten

Be sure that wire is positioned

in proper feed roll groove.

Close and tighten pressure

assembly, and let go of wire.

Be sure that contact tip matches wire diameter.
Reinstall tip adapter, if applicable, contact tip
and nozzle.

3

5

4

.

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

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