Hobart Welding Products 125 manual Table of Contents

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TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING		1
1-1.	Symbol Usage	1
1-2.	Arc Welding Hazards	1
1-3. Additional Symbols For Installation, Operation, And Maintenance		3
1-4. California Proposition 65 Warnings		4
1-5.	Principal Safety Standards	4
1-6.	EMF Information	4
SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION		5
2-1.	Symboles utilisés	5
2-2. Dangers relatifs au soudage à l’arc		5
2-3.	Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance	7
2-4. Proposition californienne 65 Avertissements		8
2-5. Principales normes de sécurité		9
2-6. Informations relatives aux CEM		9
SECTION 3 − DEFINITIONS		11
3-1.	Symbols And Definitions	11
SECTION 4 − SPECIFICATIONS		11
4-1.	Specifications	11
4-2. Duty Cycle And Overheating		12
4-3.	Volt-Ampere Curves	12
SECTION 5 − INSTALLATION		13
5-1.	Installing Work Clamp	13
5-2.	Process/Polarity Table	14
5-3.	Changing Polarity	14
5-4.	Installing Gas Supply	15
5-5. Installing Wire Spool And Adjusting Hub Tension		16
5-6. Serial Number And Rating Label Location		17
5-7. Selecting A Location And Connecting 115 Volt Input Power		17
5-8. Installing Contact Tip And Nozzle		18
5-9.	Threading Welding Wire	19
SECTION 6 − OPERATION		20
6-1.	Controls	20
6-2.	Operating The Gun	20
6-3.	Weld Parameter Chart	21
SECTION 7 − MAINTENANCE &TROUBLESHOOTING		22
7-1.	Routine Maintenance	22
7-2.	Overload Protection	22
7-3.	Drive Motor Protection	22
7-4. Changing Drive Roll Or Wire Inlet Guide		23
7-5. Replacing Gun Contact Tip		24
7-6.	Cleaning Gun Liner	25
7-7.	Replacing Gun Liner	26
7-8.	Troubleshooting Table	28
SECTION 8 − ELECTRICAL DIAGRAM		29

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Contents Processes DescriptionFile Flux Cored Fcaw Protect Your Investment From Hobart to YouTable of Contents 10-2 10-1HOT Parts can burn 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 injure Welding Wire can injureFire or Explosion hazard Falling Equipment can injureAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationSymboles utilisés UNE Décharge Électrique peut entraîner la mortIndique des instructions spécifiques LES Pièces Chaudes peuvent provoquer des brûlures LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un incendie ou une explosion LA Chute DE L’ÉQUIPEMENT peut provoquer des blessures LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OULE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLes Pièces Mobiles peuvent causer des blessures LES Fils DE Soudage peuvent provoquer des blessuresPrincipales normes de sécurité Informations relatives aux CEMEn ce qui concerne les implants médicaux OM-947 − Definitions − SpecificationsSymbols And Definitions SpecificationsCan damage unit or gun and void WarrantyDuty Cycle And Overheating Volt-Ampere Curves− Installation Installing Work ClampSlide insulating grips over handles Tools Needed OM-947 Changing Polarity Process/Polarity TableTools Needed 11/16, 1-1/8 Shielding Gas Installing Gas SupplyInstalling Wire Spool And Adjusting Hub Tension Only applies to units equipped withOptional hub kit Section Selecting a Location And Connecting 115 Volt Input PowerMake this installation Serial Number And Rating Label LocationTurn off welding power source Installing Contact Tip And NozzleHold wire tightly to keep it from unraveling Threading Welding WireLoad − OperationControls Operating The GunWeld Parameter Chart Drive Motor Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload ProtectionRetaining Knob Opening Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Turn Off power before replacing contact tipFrom unraveling. Secure Cleaning Gun LinerHold wire tightly to keep it Thread wire according toTube. Separate gun handle halves Remove black sleeving from end of replacement linerReplacing Gun Liner Tools Needed Head Tube Mm / 10 mm10 mm Trouble Remedy Troubleshooting TableSecure power cord plug in receptacle see Section Power source see SectionCircuit Diagram − Electrical Diagram− FCAW/GMAW Welding Guidelines Typical Fcaw Process ConnectionsTypical Gmaw MIG Process Connections Select Voltage Typical Control SettingsWire Size Amperage Range AmperageEnd View of Work Angle Holding And Positioning Welding GunConditions That Affect Weld Bead Shape Short Normal LongSlow Normal Poor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Spatter Troubleshooting − PorosityPossible Causes Corrective Actions Troubleshooting − Excessive Penetration Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Base metal to move Troubleshooting − Burn-ThroughTroubleshooting − Waviness Of Bead Troubleshooting − DistortionFillet Troubleshooting Guide For Semiautomatic Welding EquipmentCommon Gmaw MIG Shielding Gases ApplicationLoose or broken wires to gas solenoid Gas nozzle plugged Clean or replace gas nozzleOpen gas valve at cylinder and adjust flow rate Gas hose in gun and cable assemblyPkg − ACCESSORIES/CONSUMABLESAccessories ConsumablesMaterial Thickness Reference Chart Work like a Pro Service SupportAssistance Hobart Welding Products Contact your Distributor for