Miller Electric XR Control Threading Welding Wire Through Gun, For XR-Edge Gun, For Both Guns

5-13. Threading Welding Wire Through Gun

Refer to Section 5-12for 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:

	3
5	6
	1

4

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

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 is the same for

pistol-grip gun.

Nonconductive

Surface

Tools Needed:	Feed wire to check drive roll pressure.	Cut off wire. Close and latch wire
	If necessary, slightly tighten thumb nut	feeder door.
	inside gun.

Ref. 802 193-A / 801 556-B / 151 599-F

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