Miller Electric Miller Owners Manuals: MIGmatic Welding Processes Overview

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www.MillerWelds.com

OM-223 194E 2006−09

Effective with serial number 226 213

Processes

MIG (GMAW) Welding

Flux Cored (FCAW) Welding

Description

Arc Welding Power Source

Wire Feeder

MigmaticR

271/273/293/333/383

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Contents Processes OM-223 194E 2006−09Description From Miller to You Table of Contents Standards DirectivesDecstatMilan6/05 Arc Welding Hazards Symbol UsageElectric Shock can kill Fumes and Gases can be hazardousWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsElectric shock can kill − DefinitionsFalling unit can cause injury Where it could tipDo not move or operate unit Cylinders can expolde ifWear approved safety Electrical shock from wiringCan kill Working on this machineSpecifications − InstallationVolt-Ampere Curves Duty Cycle And OverheatingModel Installing Wire Spool and Adjusting Hub Tension Installing Gas SupplyElectrical Service Guide Positoning Jumper Links 230/400V 3-Phase Models271 273 293 333 383 230 400L2 L3 Aligning Drive Rolls and Wire Guide Installing Drive Rolls and Wire GuideThreading Welding Wire and Adjusting Pressure Roll Tension Setting Gun Polarity for Wire Type Optional Using Gun/Cable HolderControls for Migmatic 271/273 − OperationControls for Migmatic 293/333 Spot Weld Timer Run-In, Burnback Optional and Spot Weld Timer ControlsControls for Migmatic Run-In ControlRoutine Maintenance − Maintenance &TROUBLESHOOTINGCircuit Breaker CB1 Unit OverloadCheck voltage switchs. Replace if necessary TroubleshootingReplace Z1 if necessary Nections. Check secondary voltages. Replace T1 if necessaryOM-223 194 Circuit Diagram for Migmatic − Electrical DiagramsCircuit Diagram for Migmatic 273 400 VAC Circuit Diagram for Migmatic 293 400 VAC Circuit Diagram for Migmatic 333 400 VAC Circuit Diagram for Migmatic 383 400 VAC Wrapper Assembly, All Models − Parts ListPart Description Quantity Main Assembly for Migmatic Dia Part Description Quantity Mkgs Main Assembly for Migmatic Dia Part Description Main Assembly for Migmatic PL2 Main Assembly for Migmatic PL1 Main Assembly for Migmatic TP1 Wire Drive and Gears 2 roll See Table Drive Roll & Wire Guide KitsWire Drive and Gears 4 roll Drive Roll And Wire Guide Kits 4 Roll Models Drive Roll And Wire Guide Kits 2 Roll Models1.0 mm 1.2 mmPage Page Effective January 1 Your distributor and/or equipment manufacturer’s For assistance in filing or settling claims, contactTransportation Department