Installing Gas Supply, Rear Panel | Miller Electric DVI-2 R guide

.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

Image 19

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

Contents

File MIG Gmaw OM-232 386BProcesses Description From 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 kill Flying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosion Moving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injury About Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF Information UNE Décharge Électrique peut entraîner la mort Symboles utilisés LES 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’EXPLO LES 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 Specifications Minutes Duty Cycle And Overheating40% duty cycle at 150 amps Minutes Welding Minutes Resting Overheating Range Range 4 Range Connecting To Weld Output TerminalsCorrect Installation Volt-Ampere Curves 11/16 Installing Work Cable And ClampSetting Gun Polarity For Wire Type Polarity Changeover Label Information Rear 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 spring 230 VAC =GND/PE Earth Ground Connecting 1-Phase Input Power For 230 VAC Hz 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 Scale Turn Off unit, and disconnect input power Connecting An Optional Spool Gun Controls − OperationVoltage Control Parameter Weld Parameter ChartVoltage Chart Settings Input Line 226 652-A Unit Overload − Maintenance &TROUBLESHOOTINGRoutine Maintenance Changing Drive Roll and Wire Inlet Guide Welding Trouble Remedy Aligning Drive Rolls and Wire GuideTroubleshooting Turn Off power Wire Drive/Gun Trouble Remedy OM-232 386 Welding Power Source Circuit Diagram − Electrical Diagram 229 598-B Typical MIG Process Connections − MIG Welding Gmaw Guidelines Select Voltage Typical MIG Process Control SettingsWire Size Amperage Range Amperage Groove Welds Holding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular Drag Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive Penetration Troubleshooting − 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 Gases Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power source Drive Roll And Wire Guide Kits − Parts List Your 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