Miller Electric XLT 185 warranty Maintenance &TROUBLESHOOTING, Routine Maintenance, Months

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SECTION 7 − MAINTENANCE &TROUBLESHOOTING

7-1. Routine Maintenance

Y Disconnect power before maintaining.

3 Months

Replace unreadable labels.

Repair or replace cracked weld cable.

Clean and tighten weld terminals.

6 Months

Blow out or vacuum inside.

During heavyOr service, clean

monthly.

7-2. Overload Protection

7-3. Drive Motor Protection

1 Supplementary Protector CB1

CB1 protects unit from overload. If CB1 opens, unit shuts down.

Reset supplementary protector.

802 441

Drive motor protection circuit protects drive motor from overload. If drive motor becomes inoperative, release gun trigger and wait until protection circuit resets allowing drive motor to feed wire again.

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Contents Description Arc Welding Power Source and Wire FeederOM-230 832A 2007−02 Processes Flux Cored Arc FcawPage Table of Contents Typical MIG Process Connections − Parts List− MIG Welding Gmaw Guidelines Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia 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 DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut endommager l’ouïe’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresBoulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone En ce qui concerne les stimulateurs cardiaquesSpecifications − SpecificationsSymbols And Definitions − DefinitionsAmperes Duty Cycle And OverheatingVolt-Ampere Curves OutputClose door − InstallationInstalling Welding Gun IncorrectInstalling Work Clamp Process/Polarity Table Changing PolarityTools Needed 1-1/8 Installing Gas SupplyAfter flow is set, close feedhead pressure assembly Selecting a Location And Connecting Input Power First, and never to a line ter- minalTools Needed Electrical Service GuideInstalling Wire Spool And Adjusting Hub Tension Installing Contact Tip And Nozzle Threading Welding Wire Controls Wire Speed Control− Operation Weld Parameter Chart For 230 VAC Model CFH227010 Disconnect power before maintaining − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload Protection Drive Motor ProtectionReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip 030/.035 Groove Stamped 023/.025 Groove Stamped .030/.035Disconnect gun from unit Cleaning Or Replacing Gun LinerInstall gas diffuser, adapter, contact tip, and nozzle To Reassemble GunReplacing Switch And/Or Head Tube Troubleshooting Table Trouble RemedyOM-230 832 − Electrical Diagram Circuit Diagram228 180-A Typical MIG Process Connections Regulator Flowmeter Wire Feeder Power Source Shielding− MIG Welding Gmaw Guidelines GasThickness to Amperage a Typical MIG Process Control SettingsWire Size Amperage Range Select VoltageHolding And Positioning Welding Gun Perpendicular Drag Conditions That Affect Weld Bead ShapePush Short Normal LongGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Common MIG Shielding Gases Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Weld beadTroubleshooting Guide For Semiautomatic Welding Equipment OM-230 832 − Parts List Main AssemblyDia Part 228 H-10 Gun 195Optional Drive Rolls OptionsPage Work like a Pro Warranty Owner’s Record