Miller Electric DVI-2 R manual Installing Gas Supply, Rear Panel, Tools Needed 8, 5/8

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.A complete Parts List is available at www.MillerWelds.com

4-7. Installing Gas Supply

1

2

3

7 4

Argon Gas Or Mixed Gas

5

1

2

3

8 9

CO2 Gas

6

Obtain gas cylinders and chain to running gear, wall, or other stationary support so cylinders cannot fall and break off valve.

1Cap

2Cylinder Valve

Remove cap, stand to side of valve, and open valve slightly. Gas flow blows dust and dirt from valve. Close valve.

3Cylinder

4Regulator/Flowmeter

Install so face is vertical.

5Regulator/Flowmeter Gas Hose Connection

6Welding Power Source Gas Hose Connection For MIG Gun

Connect gas hose between regulator/flowmeter gas hose connection, and fitting on rear of welding power source.

7 Gas Flow Adjustment Control

Typical flow rate is 25 cfh (cubic feet

per hour). Check wire manufacturer’s recommended flow rate.

8CO2 Adapter (Customer Supplied)

9O-Ring (Customer Supplied)

Install adapter with O-ring between regulator/flowmeter and CO2 cylinder.

Rear Panel

Tools Needed:

1-1/8, 5/8 in

Ref. 804 654-A / Ref. 804 898-A

OM-232 386 Page 15

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Contents File MIG Gmaw OM-232 386BProcesses DescriptionFrom Miller to You Table of Contents − MIG Welding Gmaw Guidelines − Parts ListTypical MIG Process Connections HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLOLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-232 386 − Definitions − InstallationSymbols And Definitions SpecificationsMinutes Duty Cycle And Overheating40% duty cycle at 150 amps Minutes Welding Minutes Resting OverheatingRange Range 4 Range Connecting To Weld Output TerminalsCorrect Installation Volt-Ampere Curves11/16 Installing Work Cable And ClampSetting Gun Polarity For Wire Type Polarity Changeover Label InformationRear Panel Installing Gas SupplyTools Needed 8, 5/8 With 8 in 200 mm spools To turn spool, tension is set Installing MIG Wire Spool and Adjusting Hub TensionInstalling 1 Or 2 lb Wire Spool Use compression spring230 VAC =GND/PE Earth Ground Connecting 1-Phase Input Power For 230 VACHz Single Phase Electrical Service Guide For 230 VACExtension Cord Data Do not move or operate unit where it could tip Selecting a Location And Connecting Input Power18 in 457 mm of space for airflow Remove gun nozzle and contact tip Threading Welding WirePressure ScaleTurn Off unit, and disconnect input power Connecting An Optional Spool Gun Controls − OperationVoltage Control Parameter Weld Parameter ChartVoltage Chart Settings Input Line226 652-A Unit Overload − Maintenance &TROUBLESHOOTINGRoutine Maintenance Changing Drive Roll and Wire Inlet GuideWelding Trouble Remedy Aligning Drive Rolls and Wire GuideTroubleshooting Turn Off powerWire Drive/Gun Trouble Remedy OM-232 386 Welding Power Source Circuit Diagram − Electrical Diagram229 598-B Typical MIG Process Connections − MIG Welding Gmaw GuidelinesSelect Voltage Typical MIG Process Control SettingsWire Size Amperage Range AmperageGroove Welds Holding And Positioning Welding GunShort Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular DragGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadWeld bead Application Troubleshooting Guide For Semiautomatic Welding EquipmentProblem Probable Cause Remedy Common MIG Shielding GasesDrive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power sourceDrive Roll And Wire Guide Kits − Parts ListYour distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact