Miller Electric 273, 271, 383 Using Gun/Cable Holder, Setting Gun Polarity for Wire Type Optional

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3-12. Using Gun/Cable Holder

2

4

1

1Side Panel

2Latch

3Cable Holder

Press latch down to release and open door.

34 Holster (2)

Wrap cable around cable holder, and place gun nozzle into holster.

Ref. 802 726-A

3-13. Setting Gun Polarity for Wire Type (Optional)

3

2

1

1 Terminal Cover

Protects Polarity Change over ter- minals from accidental contact. Re- move cover to gain access.

2 Electrode Positive (DCEP)

For solid steel, stainless steel, alu- minum, or flux core with gas, wires (GMAW).

3 Electrode Negative (DCEN)

For gasless flux core wires (FCAW), wire drive assembly be- comes negative.

OM-223 194 Page 15

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Contents Processes OM-223 194E 2006−09Description From Miller to You Table of Contents Standards DirectivesDecstatMilan6/05 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 − InstallationVolt-Ampere Curves Duty Cycle And OverheatingModel 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 HolderControls for Migmatic 271/273 − OperationControls 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 Your distributor and/or equipment manufacturer’s For assistance in filing or settling claims, contactTransportation Department