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OM-1594 Page 23
4-14. Threading Welding Wire Through Gun
Ref. 802 193-A / 801 556
Tools Needed:
Refer to Section 4-13 for instructions on feeding wire
through feeder.
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.
Welding wire is electrically live when
gun trigger is used to jog wire.
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.
Feed wire to check drive roll
pressure. If necessary, slightly
tighten thumb nut inside gun.
Cut off wire. Close and latch wire
feeder door.
Nonconductive
Surface
. Turn OFF coolant supply before removing head
tube on water-cooled gun.
For XR-Edge Gun:
. Procedure is the same for
pistol-grip gun.
For Pistol-Grip Gun:
For Both Guns:
. 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.
5 Tension Thumbnut
6 Pressure Adjustment Knob
7 Final Pressure Adjustment
See procedure at bottom of page. Reinstall gun cover.
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