Miller Electric XLT 185 warranty Operation, Controls, Wire Speed Control

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SECTION 6 − OPERATION

6-1. Controls

1 Wire Speed Control

Use control to select a wire feed speed. As Voltage switch setting increases, wire speed range also increases (see weld setting label in welding power source or

Section 6-2,as applicable).

2Power Switch

3Voltage Switch

The higher the selected number, the thicker the material that can be welded

Ref. 228 178-A

(see weld setting label in welding power source or Section 6-2,as applicable). Do not switch under load.

.Switch must “click” into detent position.

OM-230 832 Page 19

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Contents Flux Cored Arc Fcaw Arc Welding Power Source and Wire FeederOM-230 832A 2007−02 Processes DescriptionPage Table of Contents Typical MIG Process Connections − Parts List− MIG Welding Gmaw Guidelines 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 About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux LE Bruit peut endommager l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesDES 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 Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone− Definitions − SpecificationsSymbols And Definitions SpecificationsOutput Duty Cycle And OverheatingVolt-Ampere Curves AmperesIncorrect − InstallationInstalling Welding Gun Close doorInstalling Work Clamp Changing Polarity Process/Polarity TableTools Needed 1-1/8 Installing Gas SupplyAfter flow is set, close feedhead pressure assembly First, and never to a line ter- minal Selecting a Location And Connecting Input PowerTools Needed Electrical Service GuideInstalling Wire Spool And Adjusting Hub Tension Installing Contact Tip And Nozzle Threading Welding Wire Controls Wire Speed Control− Operation CFH Weld Parameter Chart For 230 VAC Model227010 Overload Protection Drive Motor Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Disconnect power before maintaining030/.035 Groove Stamped 023/.025 Groove Stamped .030/.035 Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip Replacing Gun Contact TipTo Reassemble Gun Cleaning Or Replacing Gun LinerInstall gas diffuser, adapter, contact tip, and nozzle Disconnect gun from unitReplacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableOM-230 832 Circuit Diagram − Electrical Diagram228 180-A Gas Regulator Flowmeter Wire Feeder Power Source Shielding− MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsSelect Voltage Typical MIG Process Control SettingsWire Size Amperage Range Thickness to Amperage aHolding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular DragGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Weld bead Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Common MIG Shielding GasesTroubleshooting Guide For Semiautomatic Welding Equipment OM-230 832 Main Assembly − Parts ListDia Part 228 195 H-10 GunOptions Optional Drive RollsPage Work like a Pro Warranty Owner’s Record