Hobart Welding Products OM-1594 manual Removing Contact Tip Adapter In Air-Cooled Pistol-Grip Guns

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6-10. Removing Contact Tip Adapter In Air-Cooled Pistol-Grip Guns

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Tools Needed:

5/64, 3/32 in

Turn Off wire feeder and welding power source.

1 Nozzle Extension

Remove as shown.

2Contact Tip

3Compression Nut

To remove, see Section 6-6.

4Liner

5Contact Tip Adapter

6Washer

7Extension Adapter

8Setscrew

Loosen setscrew and remove adapter. Install new adapter and tighten setscrew. Reinstall liner, contact tip, compression nut, and nozzle.

150 430-B

6-11. Removing Contact Tip Adapter In Water-Cooled Pistol-Grip Guns

WARNING

WATER IN GUN PARTS can cause ELECTRIC SHOCK and can lower weld quality.

Turn Off welding power source and water supply before working on gun. Stop engine on welding generators.

Always point gun downward when removing water-cooled barrel to keep water out of gun parts.

Wipe gun dry before putting it back together.

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1

Turn Off weld control and welding power source.

1Nozzle

2Nozzle Adapter Remove as shown.

3Contact Tip Adapter

Use supplied 3/32 in allen wrench to remove adapter.

Coat new adapter with threadlock- ing compound (such as Loctite No. 242), and install.

150 431

OM-1594 Page 37

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Contents Description OM-1594Processes From Hobart to You Table of Contents Electrical Diagrams Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explo- sion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards About Pacemakers EMF InformationUN Choc É Lectrique peut tuer Signification des symbolesLES Fumé ES ET LES GAZ peuvent ê tre dangereux Identifie un message de sé curité particulierLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques Keep your head out of the fumes Disconnect input plug or power before working on machineDrive rolls can injure fingers Rating Label For CE Products Specifications Symbols And DefinitionsPower DiameterContinuous Welding Duty Cycle And OverheatingContinuous Welding Minutes 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 DisplayOpening Top Cover Of XR-Edge Gun Adjusting Contact Tip PositionXR Edge Gun Pistol Grip GunRemoving Top Cover Of Pistol Grip Gun Installing Wire SpoolTools Needed Open tension arm Threading Welding Wire Through Feeder150 mm Pull and hold wire cut off end Proceed to Section Nonconductive Surface Feed wire to check drive roll Threading Welding Wire Through GunFor XR-Edge Gun For Pistol-Grip 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 GunInsert chamfered end of liner into head tube Removing Contact Tip Adapter In XR-Edge GunsReplacing Head Tube Liner In XR-Edge Guns Replacing Gun Cable Liner Turn Off welding power Source and wire feederChanging Gun Contact Tip Replacing Or Cleaning Gun Drive Roll In Pistol-Grip GunsReplacing Head Tube Liner In Pistol-Grip Guns Turn Off wire feeder and welding power source Top CoverPressure Roll Insert chamfered end of liner into head tube Tool NeededRemoving Contact Tip Adapter In Air-Cooled Pistol-Grip Guns Reinstall gun cover Replacing Hub AssemblyTurn Off Wire Water Flow Switch Optional For Water-Cooled ModelsOverload Protection Engine WeldingDisconnect power before troubleshooting TroubleshootingFilter, and clean fittings Trouble RemedyOM-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 46 47 Exploded View Of Pistol-Grip Gun15Fig 133 Dia Part Barrel Assembly Of Pistol-Grip Gun 137 Barrel ASSEMBLY, water cooled 15W & 30W models OM-1594 OM-1594 Support ServiceCall Contact your Distributor forHobart Welding Products