Miller Electric 180, M-10 Gun, 140 Auto-Set manual From Miller to You

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Miller is the first welding equipment manufacturer in the U.S.A. to be registered to the ISO 9001:2000 Quality System Standard.

From Miller to You

Thank you and congratulations on choosing Miller. Now you can get the job done and get it done right. We know you don’t have time to do it any other way.

That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality. Like you, his customers couldn’t afford anything less. Miller products had to be more than the best they could be. They had to be the best you could buy.

Today, the people that build and sell Miller products continue the tradition. They’re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your Miller products. Please take time to read the Safety precautions. They will help you protect yourself against potential hazards on the worksite.

We’ve made installation and operation quick and easy. With Miller you can count on years of reliable service with proper maintenance. And if for some reason the unit needs repair, there’s a Troubleshooting section that will help you figure out what the problem is. The parts list will then help you to decide the exact part you may need to fix the problem. Warranty and service information for your particular model are also provided.

Miller Electric manufactures a full line

of welders and welding related equipment. For information on other quality Miller

products, contact your local Miller distributor to receive the latest full line catalog or individual specification sheets. To locate your nearest

distributor or service agency call 1-800-4-A-Miller, or visit us at www.MillerWelds.com on the web.

Mil_Thank 2005−04

Working as hard as you do

−every power source from Miller is backed by the most hassle-free warranty in the business.

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Contents Description OM-225 311CProcesses File MIG GmawFrom Miller to You Table of Contents − Maintenance &TROUBLESHOOTING − Parts ListArc 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 blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesVAC Model − SpecificationsSpecifications VAC Model w/Auto−SetE230 VAC Model Duty Cycle And Overheating115 VAC Model OverheatingVolt-Ampere Curves AmperageIncorrect − InstallationInstalling Welding Gun Changing Polarity Work Cable Routing Inside UnitProcess/Polarity Table Installing Gas Supply Volatile liquids are present − Special installation may beRequired where gasoline or See NEC Article 511 or CECDo not move or operate unit where it could tip Input Voltage 230 Input Amperes At Rated Output Electrical Service Guide For 230 VAC ModelInstalling Wire Spool And Adjusting Hub Tension Threading Welding Wire Remove gun nozzle and contact tipEnd Of Wire To Spool Removing MIG Gun From Welding Power SourceCut Off End Of Wire Open Pressure Assembly Knob Installing Optional Spool Gun Switch In Welding Power Source OperationConnecting Spool Gun To Millermatic 140/180 − Operation Controls For 115 VAC Model w/Auto-SetEControls For 115 VAC Model 115VControls For 230 VAC Model 230VOM-225 311 Weld Parameter Chart For 115 VAC Model w/Auto−SetE 10/90 10/65 10/80 10/60 10/50 10/95 10/75 10/100 030 0.8 mm 035 0.9 mm Aluminum 100% Argon 4043ER10/32 OM-225 311 10/90 10/45 10/60 10/30 10/32 10/80 030 0.8 mm 035 0.9 mm#220179 #220179 #202926Dcep Dcen 100 10/60 10/45 10/40 10/20 10/50 024 0.6 mm #220179 030 0.8 mm #202926 035 0.9 mm 045 1.2 mmOverload Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Drive Motor ProtectionReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Troubleshooting Table Trouble RemedyOM-225 311 − Electrical Diagram Circuit Diagram234 419-B − MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsSelect Wire Size Typical MIG Process Control SettingsWire Recommendation Wire Speed Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Incomplete Fusion Troubleshooting − Excessive PenetrationTroubleshooting − Lack Of Penetration Troubleshooting − Distortion Troubleshooting − Burn-ThroughTroubleshooting − Waviness Of Bead Flat & Horizontal1 Fillet Common MIG Shielding GasesApplication Optional Drive Rolls − Parts ListRecommended Spare Parts OptionsPage Service SupportOwner’s Record Miller Electric Mfg. Co

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