Miller-electric DVI-2 R User Manual Page 1

ProcessesDescriptionArc Welding Power Sourceand Wire FeederOM-232 386B 2007−11Millermatic DVI-2RFlux Cored (FCAW) WeldingMIG (GMAW) WeldingFile: MIG (

OM-232 386 Page 6Il reste une TENSION DC NON NÉGLIGEABLE dansles sources de soudage onduleur quand on acoupé l’alimentation.D Arrêter les convertisseu

OM-232 386 Page 7LES ACCUMULATIONS DE GAZrisquent de provoquer des blessuresou même la mort.D Fermer l’alimentation du gaz protecteur en casde non-uti

OM-232 386 Page 8LES FILS DE SOUDAGE peuventprovoquer des blessures.D Ne pas appuyer sur la gâchette avant d’enavoir reçu l’instruction.D Ne pas dirig

OM-232 386 Page 92-5. Principales normes de sécuritéSafety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,de Global Engineering Docume

OM-232 386 Page 10

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 11SECTION 3 − DEFINITIONS3-1. Symbols And DefinitionsWire Feed OutputXDuty C

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 124-2. Duty Cycle And OverheatingDuty Cycle is percentage of 10minutes that

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 134-3. Volt-Ampere CurvesThe volt-ampere curves show theminimum and maximum

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 144-5. Installing Work Cable And ClampTools Needed: 3/4 in1 Work Cable2 Boot

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 154-7. Installing Gas SupplyRef. 804 654-A / Ref. 804 898-ATools Needed:Obta

Miller Electric manufactures a full lineof welders and welding related equipment.For information on other quality Millerproducts, contact your local M

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 164-8. Installing MIG Wire Spool and Adjusting Hub TensionWhen a slight forc

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 174-9. Connecting 1-Phase Input Power For 230 VAC 803 766-B / Ref. 802 443-A

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 184-10. Electrical Service Guide For 230 VACFailure to follow these fuse and

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 194-12. Selecting A Location And Connecting Input Power! Special installatio

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 204-13. Threading Welding Wire1 Wire Spool2 Welding Wire3 Inlet Wire Guide4

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 214-14. Installing Optional Gas Valve, Receptacle, And Barbed Fitting For Op

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 224-15. Connecting An Optional Spool Gun3214804 922-A1 Barbed Fitting.If spo

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 23SECTION 5 − OPERATION5-1. Controls1 Voltage ControlSet Voltage control ac

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 245-2. Weld Parameter ChartInput LineVoltage*ParameterChart SettingsHighere.

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 25226 652-A

TABLE OF CONTENTSSECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbo

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 26SECTION 6 − MAINTENANCE &TROUBLESHOOTING6-1. Routine Maintenance! Disc

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 276-4. Aligning Drive Rolls and Wire Guide! Turn Off power.View is from top

.A complete Parts List is available at www.MillerWelds.comOM-232 386 Page 28Wire Drive/Gun Trouble RemedyElectrode wire feeding stops duringwelding.St

OM-232 386 Page 29Notes

OM-232 386 Page 30SECTION 7 − ELECTRICAL DIAGRAMFigure 7-1. Welding Power Source Circuit Diagram

OM-232 386 Page 31229 598-B

OM-232 386 Page 32SECTION 8 − MIG WELDING (GMAW) GUIDELINESWire Feeder/Power SourceWorkpieceGunRegulator/FlowmeterGasShielding GasWork Clamp8-1. Typic

OM-232 386 Page 338-2. Typical MIG Process Control Settings. These settings are guidelines only. Material and wire type, joint design, fitup, position

OM-232 386 Page 348-3. Holding And Positioning Welding Gun. Welding wire is energized when gun trigger is pressed. Before lowering helmet and pressing

OM-232 386 Page 358-4. Conditions That Affect Weld Bead Shape. Weld bead shape depends on gun angle, direction of travel, electrode extension (stickou

TABLE OF CONTENTSSECTION 8 − MIG WELDING (GMAW) GUIDELINES 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OM-232 386 Page 368-5. Gun Movement During Welding. Normally, a single stringer bead is satisfactory for most narrow groove weld joints; however, for

OM-232 386 Page 378-8. Troubleshooting − Excessive SpatterExcessive Spatter − scattering of molten metal particles thatcool to solid form near weld be

OM-232 386 Page 388-11. Troubleshooting − Lack Of PenetrationLack Of Penetration − shallowfusion between weld metal andbase metal.Lack of Penetration

OM-232 386 Page 398-14. Troubleshooting − Waviness Of BeadWaviness Of Bead − weld metal that is not parallel and does not coverjoint formed by base me

OM-232 386 Page 408-16. Common MIG Shielding GasesThis is a general chart for common gases and where they are used. Many different combinations (mixtu

OM-232 386 Page 41Problem RemedyProbable CauseWelding arc not stable.Wire slipping in drive rolls. Adjust pressure setting on wire feed rolls. Replace

OM-232 368 Page 42SECTION 9 − PARTS LIST9-1. Drive Roll And Wire Guide Kits.Base selection of drive rolls upon the following recommended usages:1 V-Gr

Warranty Questions?Call1-800-4-A-MILLERfor your localMiller distributor.miller_warr 2007−01Your distributor also givesyou ...ServiceYou always get the

PRINTED IN USA © 2007 Miller Electric Mfg. Co.2007−01Miller Electric Mfg. Co.An Illinois Tool Works Company1635 West Spencer StreetAppleton, WI 54914

OM-232 386 Page 1SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USINGsom _2007−047Protect yourself and others from injury — read and follow these precau

OM-232 386 Page 2Welding produces fumes and gases. Breathingthese fumes and gases can be hazardous to yourhealth.FUMES AND GASES can be hazardous.D Ke

OM-232 386 Page 31-3. Additional Symbols For Installation, Operation, And MaintenanceFIRE OR EXPLOSION hazard.D Do not install or place unit on, over,

OM-232 386 Page 41-4. California Proposition 65 WarningsWelding or cutting equipment produces fumes or gaseswhich contain chemicals known to the State

OM-232 386 Page 5SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATIONfre_som_2007−047Se protéger et protéger les autres contre le risque de bles