Hobart Welding Products 210 manual Process/Polarity Table, Changing Polarity

Page 16

5-3. Process/Polarity Table

Process

Polarity

Cable Connections

 

 

Cable To Gun

Cable To Work

 

 

 

 

 

 

GMAW − Solid wire with shield-

DCEP − Reverse polarity

Connect to positive (+) out-

Connect to negative (−) output

ing gas

 

put terminal

terminal

 

 

 

 

FCAW − Self-shielding wire −

DCEN − Straight Polarity

Connect to negative (−)

Connect to positive (+) output

no shielding gas

 

output terminal

terminal

 

 

 

 

5-4. Changing Polarity

CHANGING

POLARITY

DCEN

Electrode negative for

flux cored wire

1

DCEP

Electrode positive for

solid wire

2

1Lead Connections For Direct Current Electrode Negative (DCEN)

2Lead Connections For Direct Current Electrode Positive (DCEP)

Always read and follow wire manufacturer’s recommended polarity, and see Section 5-3.

Close door.

Ref. 209 228 / Ref. 209 229

OM-227 978 Page 12

Image 16
Contents OM-227 978A ProcessesDescription 2006−12From Hobart to You Table of Contents − Parts List Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier LE Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaques− Specifications Symbols And DefinitionsSpecifications − DefinitionsDuty Cycle And Overheating Volt-Ampere CurvesAmperes OutputInstalling Welding Gun − InstallationInstalling Work Clamp Process/Polarity Table Changing PolarityInstalling Gas Supply Do not move or operate unit where it could tip Selecting a Location And Connecting Input PowerFirst, and never to a line ter- minal Electrical Service Guide Installing Wire Spool And Adjusting Hub TensionInstalling Contact Tip And Nozzle Flux NozzleConnecting Optional Spool Gun Appropriate settingThreading Welding Wire Hold wire tightly to keep it from unraveling− Operation ControlsWeld Parameter Chart For 230 VAC Model 227 949-A − Maintenance &TROUBLESHOOTING Routine MaintenanceOverload Protection Drive Motor ProtectionTurn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableDoes not run OM-227 978 − Electrical Diagram Circuit Diagram227 951-A − MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsTypical MIG Process Control Settings Wire Size Amperage RangeThickness to Amperage a AmperageHolding And Positioning Welding Gun Cored wire Conditions That Affect Weld Bead ShapeGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Waviness Of Bead Troubleshooting − DistortionCommon MIG Shielding Gases ApplicationTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feedOM-227 978 − Parts List Main AssemblyDia Part Description Quantity Dia Part Description Quantity Mkgs H-14 Gun 231Options Optional Drive RollsConsumables Page Work like a Pro Support ServiceAssistance Contact your Distributor for Hobart Welding Products
Related manuals
Manual 56 pages 12.21 Kb