Miller Electric XR Control manual Removing Diffuser In Air And Water-Cooled Pistol-Grip Guns

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7-9. Removing Diffuser In Air And 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.

Turn Off welding power source. 1 Nozzle

2 FasTip

To remove, see Section 7-5.

3 Diffuser

Remove diffuser and replace.

1

2

3

Air Cooled Head Tube Assembly

Tools Needed:

3/8 in

Ref. 803 348-F

OM-1594 Page 37

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Contents Processes OM-1594181 715ZDescription From Miller to You Table of Contents Options and Accessories Warranty Standards DirectivesPage 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 explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécurité+ + Rating Label For CE Products Diameter Symbols And DefinitionsSpecifications PowerDuty Cycle And Overheating Above 50 psi 345 kPa Do not use gas pressureAir-Cooled Feeder Connections Air-Cooled Gun Connections Water-Cooled Feeder Connections Water-Cooled Gun Connections Pin Plug Information Installing voltage sensing leadVoltage Sensing Function Meter Circuit Board SettingsDigital Meter Display Removing Top Cover Of Pistol Grip Gun Opening Top Cover Of XR-Edge GunInstalling Wire Spool It from unraveling Threading Welding Wire Through FeederFor Both Guns 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 Gun wire feed speedShielding Gas Gun ControlsCoolant Supply For Water-Cooled Models Only Months Disconnect powerSequence Of Gas Metal Arc Welding Gmaw − Continuous Or Spot To 6 WeeksWire 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 030-1/16 wire size Replacing The 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 Removing Diffuser In Air And Water-Cooled Pistol-Grip Guns Replacing Hub Assembly Engine Welding Water Flow Switch Optional For Water-Cooled ModelsTurn Off Wire Overload ProtectionShielding gas does not flow TroubleshootingDisconnect power before troubleshooting Trouble RemedyOM-1594 − Electrical Diagrams 218 814-B Circuit Diagram For XR Edge Gun OM-1594 − Parts List MP1 Motor & Wire Drive Motor & Wire Drive -1Item Panel, Front w/Components Water-Cooled Model Illustrated Panel, Front w/Components -1Item Exploded View Of XR-Edge Gun Part Description Quantity Part Description Barrel Assembly Of XR-Edge Gun Exploded View Of Pistol-Grip Gun 214 166 Barrel Assembly Of Pistol-Grip Gun XR-W Edge Head Tube NumberXR-A Spoolmatic Head Tube XR-A Edge Head TubeHeavy Duty FasTiptContact Tips Consumables Flowchart NozzlesExtra Heavy Duty FasTiptContact Tips Insulators Consumables Flowchart Tapered FasTipt Contact TipsValue Multi−Turn Contact Tips Gas DiffusersStart Your Professional Welding Career Now Page Support ServiceMiller Electric Mfg. Co Owner’s Record