Miller Electric OM-229 038D manual From Miller to You

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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.

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-229 038D 2007−04Processes From Miller to You Table of Contents Directives StandardsArc 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 − Definitions Electric shock can killFalling unit can cause injury Weee Label Duty Cycle And Overheating − InstallationSpecifications Model Installing Gas SupplyVolt-Ampere Curves Installing Wire Spool and Adjusting Hub Tension Positoning Jumper Links 230/400V 3-Phase ModelsElectrical Service Guide PhaseTools Needed = GND/PE Earth Ground Installing Drive Rolls and Wire Guide Drive RollThreading Welding Wire and Adjusting Pressure Roll Tension ScaleUsing Gun/Cable Holder Setting Gun Polarity for Wire Type OptionalControls for Migmatic 221/253 Burnback and Spot Weld Timer Controls− Operation Circuit Breaker CB1 − Maintenance &TROUBLESHOOTINGRoutine Maintenance Unit OverloadTroubleshooting Trouble RemedyOM-229 038 − Electrical Diagrams Circuit Diagram for MigmaticCircuit Diagram for Migmatic 253 400 VAC − Parts List Wrapper Assembly, All ModelsPart Description Quantity Main Assembly for Migmatic Dia Part Mkgs Description Quantity Main Assembly for Migmatic Dia Part Quantity Mkgs Description 230V 400V Fraction Drive Roll And Wire Guide Kits 2 Roll ModelsWire Diameter Drive Roll Wire Guide Page Page Effective January 1 Owner’s Record ITW Welding Products Italy S.r.l. Via Privata Iseo, 6/E