Miller Electric XR Control Replacing The Liner, Turn Off welding power source and wire feeder

Page 40

7-4. Replacing The Liner

1

1

YTurn Off welding power source and wire feeder.

1Drive Roll

2Collet Nut

Lay gun cable out straight. Remove drive roll on gun and collet nut on lin- er tube assembly.

3 Gun Connector

Remove inlet guide from gun con- nector, and remove old liner.

4 New Liner

Insert split end of new liner into gun connector and continue feeding lin- er through cable assembly until lin- er is through liner tube assembly

2

2

and all of split portion is visible.

.If gun is a 15 ft (4.5 m) model,

push the split end of liner through until the opposite end is sticking out of the gun con- nector 1 to 2 inches (2.5 to 5 cm). After trimming, the section with the split on it can be saved to use as another replacement liner.

Cut off split portion of liner. Replace collet nut with new nut from this kit. Reinstall inlet guide at gun connec- tor and tighten onto liner.

The liner end will not stick out of the collet nut supplied with this kit.

At the gun connection end, cut liner as close as possible to control (push motor) drive rolls.

Pistol Grip Gun

XR-Edge Gun

3

3

Split End

4

 

Refer to Owner’s Manual for in- structions on rethreading wire.

.On pistol grip models it may be easier to replace the collet nut with the liner conduit removed from the gun housing block.

Ref. 151 599-F / Ref. 801 556-C / 801 564−E / Ref. 151 666-G / Ref. 200 371

OM-1594 Page 34

Image 40
Contents Processes OM-1594181 715ZDescription From Miller to You Table of Contents Options and Accessories Warranty Directives StandardsPage Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia 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 LE Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaques+ + Rating Label For CE Products Symbols And Definitions SpecificationsPower DiameterDuty Cycle And Overheating Do not use gas pressure Above 50 psi 345 kPaAir-Cooled Feeder Connections Air-Cooled Gun Connections Water-Cooled Feeder Connections Water-Cooled Gun Connections Installing voltage sensing lead Pin Plug InformationVoltage Sensing Function Meter Circuit Board SettingsDigital Meter Display Opening Top Cover Of XR-Edge Gun Removing Top Cover Of Pistol Grip GunInstalling Wire Spool Threading Welding Wire Through Feeder It from unravelingThreading Welding Wire Through Gun For XR-Edge GunFor Pistol-Grip Gun For Both GunsAdjusting Wire Feed Starting Speed Setting Switches For Preflow And Postflow Adjusting Trigger Hold Actuation Time Trigger hold actuation time range is from 0 to 4 seconds− Operation ControlsGun wire feed speed Internal ControlsShielding Gas Gun ControlsCoolant Supply For Water-Cooled Models Only Disconnect power Sequence Of Gas Metal Arc Welding Gmaw − Continuous Or SpotTo 6 Weeks Months Feeder Drive Assembly Maintenance Wire sizeGun Drive Assembly Maintenance For An XR-Edge Gun Post Pressure Roll w/Bearing030-1/16 wire size Replacing Head Tube Liner In XR-Edge GunsTurn Off welding power source and wire feeder Replacing The LinerReplacing Or Cleaning Gun Drive Roll In Pistol-Grip Guns Changing Gun Contact TipReplacing Head Tube Liner In Pistol-Grip Guns Removing Diffuser In Air And Water-Cooled Pistol-Grip Guns Replacing Hub Assembly Water Flow Switch Optional For Water-Cooled Models Turn Off WireOverload Protection Engine WeldingTroubleshooting Disconnect power before troubleshootingTrouble Remedy Shielding gas does not flowOM-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 Number XR-A Spoolmatic Head TubeXR-A Edge Head Tube XR-W Edge Head TubeHeavy Duty FasTiptContact Tips Consumables Flowchart NozzlesExtra Heavy Duty FasTiptContact Tips Consumables Flowchart Tapered FasTipt Contact Tips Value Multi−Turn Contact TipsGas Diffusers InsulatorsStart Your Professional Welding Career Now Page Service SupportOwner’s Record Miller Electric Mfg. Co