Hobart Welding Products OM-1594 manual Air-Cooled Gun Connections

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4-3. Air-Cooled Gun Connections

2

7

6

8

3	4	5

Left Side

6

1

1

6

1 Gun Control Cable

Insert plug into Gun Control receptacle, and tighten threaded collar.

2Gas Hose

3Reed Relay

4Weld Cable

5Weld Cable Terminal In Feeder

Route weld cable from welding power source through reed relay to weld cable terminal in feeder and connect to weld cable terminal.

6Gun Connector

7Gun Securing Knob

8Gun Connector Block

Loosen gun securing knob, and insert gun connector through Wire opening until it bottoms against block. Tighten knob. Close and latch door.

Tools Needed:

9/16, 3/4 in

Ref. 801 577-A / 801 564 / Ref. 151 666-A

OM-1594 Page 15

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Contents Processes OM-1594Description 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 dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques Drive rolls can injure fingers Disconnect input plug or power before working on machineKeep your head out of the fumes Rating Label For CE Products Diameter Symbols And DefinitionsSpecifications PowerContinuous Welding Minutes Welding Duty Cycle And OverheatingContinuous 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 Spool150 mm Pull and hold wire cut off end Proceed to Section Threading Welding Wire Through FeederTools 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 GunReplacing Head Tube Liner In XR-Edge Guns Removing Contact Tip Adapter 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 15Fig Exploded View Of Pistol-Grip Gun46 47 133 Dia Part Barrel Assembly Of Pistol-Grip Gun 137 Barrel ASSEMBLY, water cooled 15W & 30W models OM-1594 OM-1594 Support ServiceHobart Welding Products Contact your Distributor forCall