Miller Electric 333, 271, 383, 293, 273 manual Table of Contents

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TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING		1
1-1.	Symbol Usage	1
1-2.	Arc Welding Hazards	1
1-3.	Additional Symbols For Installation, Operation, And Maintenance	3
1-4.	California Proposition 65 Warnings	3
1-5.	Principal Safety Standards	4
1-6.	EMF Information	4
SECTION 2 − DEFINITIONS		5
SECTION 3 − INSTALLATION		8
3-1.	Specifications	8
3-2. Duty Cycle And Overheating		9
3-3.	Volt-Ampere Curves	9
3-4.	Installing Gas Supply	10
3-5.	Installing Wire Spool and Adjusting Hub Tension	10
3-6.	Positoning Jumper Links (230/400V 3-Phase Models)	11
3-7.	Electrical Service Guide	11
3-8.	Selecting a Location and Connecting Input Power (1-Phase and 3-Phase)	12
3-9.	Installing Drive Rolls and Wire Guide	13
3-10.	Aligning Drive Rolls and Wire Guide	13
3-11.	Threading Welding Wire and Adjusting Pressure Roll Tension	14
3-12.	Using Gun/Cable Holder	15
3-13.	Setting Gun Polarity for Wire Type (Optional)	15
SECTION 4 − OPERATION		16
4-1.	Controls for Migmatic 271/273	16
4-2.	Controls for Migmatic 293/333	16
4-3.	Controls for Migmatic 383	17
4-4.	Run-In, Burnback (Optional) and Spot Weld Timer Controls	17
SECTION 5 − MAINTENANCE &TROUBLESHOOTING		18
5-1.	Routine Maintenance	18
5-2.	Circuit Breaker CB1	18
5-3.	Unit Overload	18
5-4.	Troubleshooting	19
SECTION 6 − ELECTRICAL DIAGRAMS		21
SECTION 7 − PARTS LIST		26
WARRANTY

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Contents OM-223 194E 2006−09 ProcessesDescription From Miller to You Table of Contents Directives StandardsDecstatMilan6/05 Fumes and Gases can be hazardous Symbol UsageArc Welding Hazards Electric Shock can killBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsElectric shock can kill − DefinitionsCylinders can expolde if Where it could tipFalling unit can cause injury Do not move or operate unitWorking on this machine Electrical shock from wiringWear approved safety Can killSpecifications − InstallationDuty Cycle And Overheating Volt-Ampere CurvesModel Installing Wire Spool and Adjusting Hub Tension Installing Gas Supply230 400 Positoning Jumper Links 230/400V 3-Phase ModelsElectrical Service Guide 271 273 293 333 383L2 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 Holder− Operation Controls for Migmatic 271/273Controls for Migmatic 293/333 Run-In Control Run-In, Burnback Optional and Spot Weld Timer ControlsSpot Weld Timer Controls for MigmaticUnit Overload − Maintenance &TROUBLESHOOTINGRoutine Maintenance Circuit Breaker CB1Nections. Check secondary voltages. Replace T1 if necessary TroubleshootingCheck voltage switchs. Replace if necessary Replace Z1 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 1.2 mm Drive Roll And Wire Guide Kits 2 Roll ModelsDrive Roll And Wire Guide Kits 4 Roll Models 1.0 mmPage Page Effective January 1 For assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’sTransportation Department