Hobart Welding Products 210 manual Installing Gas Supply

Page 17

5-5. Installing Gas Supply

.DO NOT use Argon/Mixed gas regulator/flowmeter

with CO2 shielding gas. See Parts List for optional CO2 gas regulator/flowmeter.

4

7

5

1

2

3

Argon Gas Or

Mixed Gas

Obtain gas cylinder and chain to running gear, wall, or other stationary support so cylinder 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

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

7 Flow Adjust

Flow rate should be set when gas is flowing through welding power source and welding gun. Open pressure assembly so that wire will not feed. Press gun trigger to start gas flow.

Typical flow rate is 20 cfh (cubic feet per hour). Check wire manufacturer’s recommended flow rate.

6

Pressure Assembly	Pressure Assembly
Open	Closed

Tools Needed:

5/8, 1-1/8 in

After flow is set, close pressure assembly.

Ref. 804 654-A / 802 441 / Ref. 804 688-A

OM-227 978 Page 13

Image 17

Contents Processes OM-227 978ADescription 2006−12From Hobart to You Table of Contents − Parts List Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux Incendie ou une explosion LE Soudage peut provoquer unDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresEn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéSymbols And Definitions − SpecificationsSpecifications − DefinitionsVolt-Ampere Curves Duty Cycle And OverheatingAmperes OutputInstalling Work Clamp − InstallationInstalling Welding Gun Changing Polarity Process/Polarity TableInstalling Gas Supply First, and never to a line ter- minal Selecting a Location And Connecting Input PowerDo not move or operate unit where it could tip Installing Wire Spool And Adjusting Hub Tension Electrical Service GuideFlux Nozzle Installing Contact Tip And NozzleAppropriate setting Connecting Optional Spool GunHold wire tightly to keep it from unraveling Threading Welding WireControls − OperationWeld Parameter Chart For 230 VAC Model 227 949-A Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor ProtectionReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Does not run Troubleshooting TableTrouble Remedy OM-227 978 Circuit Diagram − Electrical Diagram227 951-A Typical MIG Process Connections − MIG Welding Gmaw GuidelinesWire Size Amperage Range Typical MIG Process Control SettingsThickness to Amperage a AmperageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Cored wireGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Distortion Troubleshooting − Waviness Of BeadCommon MIG Shielding Gases ApplicationWire does not feed Troubleshooting Guide For Semiautomatic Welding EquipmentOM-227 978 Main Assembly − Parts ListDia Part Description Quantity Dia Part Description Quantity Mkgs 231 H-14 GunConsumables Optional Drive RollsOptions Page Work like a Pro Assistance ServiceSupport Hobart Welding Products Contact your Distributor for

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