Miller Electric OM-1313 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 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 which 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 catalog 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.

Working as hard as you do

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

Miller offers a Technical Manual which provides more detailed service and parts information for your unit. To obtain a Technical Manual, contact your local distributor. Your distributor can also supply you with Welding Process Manuals such as SMAW, GTAW, GMAW, and GMAW-P.

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Contents September Arc Welding Power Source Wire FeederVisit our website at MIG Gmaw Welding Flux Cored Fcaw WeldingFrom Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message OM-1313ARC Rays can burn eyes and skin Principal Safety Standards Fire or Explosion hazardEMF Information About PacemakersVolt-Ampere Curves InstallationSpecifications Welding Gun Duty Cycle And Overheating Welding Power Source Duty Cycle And OverheatingExceeding duty cycle can damage unit and void warranty OverheatingInstalling Work Clamp Installing Gas SupplyPolarity Changeover Label Installing Welding GunSetting Gun Polarity Tools Needed 11/16Reinstall wrapper Tools Needed 7/16 Installing Wire Spool And Adjusting Hub TensionTurn Off unit, and disconnect input power Changing Input VoltageInput Voltage Electrical Service GuideSelecting a Location And Connecting Input Power Min Grounding Conductor Size In AWG/KcmilThreading Welding Wire OM-1313 Controls For Standard Units OperationFront Panel Controls Weld Parameter Chart Higher e.g Volts AC Lower e.g Volts ACOM-1313 Months Maintenance & TroubleshootingRoutine Maintenance Head Tube Remove nozzle, contact tip, and adapter Cleaning Or Replacing Gun LinerDisconnect gun first Blow out gun casing Remove linerReplacing Switch And/Or Head Tube Remove handle locking nut Slide handleSee Section TroubleshootingReplacing Gun Contact Tip Electrical Diagram Circuit DiagramTypical MIG Process Connections Wire Feeder Power Source Gun Work Clamp WorkpieceMIG Welding Gmaw Guidelines Shielding Gas Regulator/ FlowmeterSelect Wire Size Typical MIG Process Control SettingsWire Recommendation Wire Speed 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 Weld bead Troubleshooting Waviness Of BeadTroubleshooting Distortion Application Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Welding power source Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Drive rolls if necessaryOM-1313 Parts List Main AssemblyDia Part Mkgs Description Quantity Center Baffle w/Components Baffle, Center w/Components -1 Item M-15 Gun -1 Item Includes ItemsPage Support ServiceYour distributor also gives Owner’s Record