Hobart Welding Products 175, OM-944 196 639G manual

Notes

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Hobart Welding Products 175, OM-944 196 639G manual

Contents

Description OM-944Processes From Hobart to You Table of Contents Options and Accessories Warranty Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can kill Flying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or kill California Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Identifie un message de sécurité particulier − Consignes DE Sécurité − À Lire Avant Utilisation LES Pièces Chaudes peuvent cau- ser des brûlures graves LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LE Bruit peut affecter l’ouïe ’EMPLOI Excessif peut Faire Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser LES Pièces Mobiles peuvent cau- ser des blessures Consignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques VAC Model − SpecificationsSpecifications Duty Cycle % Duty Cycle And OverheatingOutput Output Amperes Volt-Ampere Curves Load Amps − Installation Installing Welding Gun Installing Work Clamp Process/Polarity Table Changing Polarity Installing Gas Supply Rating Label Do not move or operate unit where it could tip = GND/PE Electrical Service Guide For 230 VAC Model Installing Wire Spool And Adjusting Hub Tension Threading Welding Wire Hold wire tightly to keep it from unraveling − Operation Controls Weld Parameter Chart For 115 VAC Model Welding Guide For 115 Volt Wire Welding Package Weld Parameter Chart For 230 VAC Model For 230 Volt Wire Welding Package Disconnect power before maintaining − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload Protection Drive Motor Protection Replacing 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 Troubleshooting Table Trouble Remedy − Electrical Diagram Circuit Diagram For 115 VAC Model Circuit Diagram For 230 VAC Model − MIG Welding Gmaw Guidelines Typical MIG Process Connections Thickness to Amperage a Typical MIG Process Control SettingsWire Size Amperage Range Select Voltage Holding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective Actions Troubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Waviness Of Bead Troubleshooting − Distortion Application Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Welding arc not stable Wire slipping in drive rolls Return To Table Of Contents − Parts List Main Assembly Dia Part H-10 Gun 195 Optional Drive RollsOptions Page Service Support Contact your Distributor for Hobart Welding Products