4-14. Threading Welding Wire Through Gun

Refer to Section 4-13 for instructions on feeding wire through feeder.

For XR-Edge Gun:

Welding wire is electrically live when gun trigger is used to jog wire.

.Turn OFF coolant supply before removing head tube on water-cooled gun.

Lay gun cable out straight. Open top cover, and open pressure roll assembly. Remove head tube from gun. Press Jog switch until about 2 in (51 mm) of wire is sticking out front of gun. Insert wire into head tube liner and secure head tube to gun.

Close top cover on gun. Press Jog switch until about 6 in (152 mm) of wire is sticking out end of contact tip. See final pressure adjustment at bottom of page.

For Pistol-Grip Gun:

5

2

.Turn OFF coolant supply before removing head tube on water-cooled gun.

1 Pressure Roll Assembly

Lift arm and open pressure roll assembly.

2 Cable Assembly

Lay cable assembly out straight.

Push Jog switch up to feed wire through cable assembly.

3 Drive Roll

For wire sizes .035 in (0.9 mm) and smaller use small

3

6

1

4

groove, and .047 in (1.2 mm) and 1/16 in (1.6 mm) use large groove.

4 Contact Tip

Manually thread wire along drive roll groove and out con- tact tip 2 in (51 mm). Close pressure roll assembly.

5Tension Thumbnut

6Pressure Adjustment Knob

7Final Pressure Adjustment

See procedure at bottom of page. Reinstall gun cover.

For Both Guns:

.Procedure pistol-grip

Tools Needed:

is the same for gun.

Nonconductive

Surface

Feed wire to check drive roll

Cut off wire. Close and latch wire

pressure. If necessary, slightly

feeder door.

tighten thumb nut inside gun.

 

Ref. 802 193-A / 801 556

OM-1594 Page 23

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Image 27
Hobart Welding Products OM-1594 Threading Welding Wire Through Gun, For XR-Edge Gun, For Pistol-Grip Gun, For Both Guns