Hobart Welding Products OM-1594 manual Threading Welding Wire Through Gun, For XR-Edge Gun

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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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Contents OM-1594 ProcessesDescription From Hobart to You Table of Contents Electrical Diagrams Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explo- sion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationIdentifie un message de sé curité particulier Signification des symbolesUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Disconnect input plug or power before working on machine Drive rolls can injure fingersKeep your head out of the fumes Rating Label For CE Products Diameter Symbols And DefinitionsSpecifications PowerDuty Cycle And Overheating Continuous Welding Minutes WeldingContinuous Welding Above 50 psi 345 kPa Do not use gas pressureRear Panel Air-Cooled Feeder ConnectionsAir-Cooled Gun Connections Water-Cooled Feeder Connections Water-Cooled Gun Connections Voltage Sensing Lead Connections Pin Plug InformationMeters/Minute Inches/Minute Digital Meter DisplayPistol Grip Gun Adjusting Contact Tip PositionOpening Top Cover Of XR-Edge Gun XR Edge GunRemoving Top Cover Of Pistol Grip Gun Installing Wire SpoolThreading Welding Wire Through Feeder 150 mm Pull and hold wire cut off end Proceed to SectionTools Needed Open tension arm For Pistol-Grip Gun Threading Welding Wire Through GunNonconductive Surface Feed wire to check drive roll For XR-Edge GunAdjusting Wire Feed Starting Speed Setting Switches For Preflow And Postflow Trigger hold actuation time Range is from 0 to 4 seconds Adjusting Trigger Hold Actuation TimeControls OperationInternal Controls Shielding Gas Coolant Supply For Water-Cooled Models Only Gun ControlsSequence Of Gas Metal Arc Welding Gmaw Continuous Or Spot Wire size Feeder Drive Assembly MaintenancePost Pressure Roll w/Bearing Gun Drive Assembly Maintenance For An XR-Edge GunRemoving Contact Tip Adapter In XR-Edge Guns Replacing Head Tube Liner In XR-Edge GunsInsert chamfered end of liner into head tube Replacing Gun Cable Liner Turn Off welding power Source and wire feederChanging Gun Contact Tip Replacing Or Cleaning Gun Drive Roll In Pistol-Grip GunsInsert chamfered end of liner into head tube Tool Needed Turn Off wire feeder and welding power source Top CoverReplacing Head Tube Liner In Pistol-Grip Guns Pressure RollRemoving Contact Tip Adapter In Air-Cooled Pistol-Grip Guns Reinstall gun cover Replacing Hub AssemblyEngine Welding Water Flow Switch Optional For Water-Cooled ModelsTurn Off Wire Overload ProtectionTrouble Remedy TroubleshootingDisconnect power before troubleshooting Filter, and clean fittingsOM-1594 Electrical Diagrams 186 931-D Circuit Diagram For Gun OM-1594 12 13 16 17 Main AssemblyMP1 Motor & Wire Drive Motor & Wire Drive -1 Item See Figure Panel, Front w/Components Water-Cooled Model IllustratedPanel, Front w/Components -1 Item See Exploded View Of XR-Edge Gun185 202 Barrel Assembly Of XR-Edge Gun Exploded View Of Pistol-Grip Gun 15Fig46 47 133 Dia Part Barrel Assembly Of Pistol-Grip Gun 137 Barrel ASSEMBLY, water cooled 15W & 30W models OM-1594 OM-1594 Support ServiceContact your Distributor for Hobart Welding ProductsCall