Hobart 125 EZ, H-9B 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		3
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		7
2-5. Principales normes de sécurité		8
2-6.	Information EMF	8
SECTION 3 − SPECIFICATIONS		9
3-1.	Specifications	9
3-2. Duty Cycle And Overheating		9
3-3.	Volt-Ampere Curves	10
SECTION 4 − INSTALLATION		11
4-1.	Installing Work Clamp	11
4-2.	Process/Polarity Table	11
4-3.	Polarity	11
4-4. Installing Wire Spool And Adjusting Hub Tension		12
4-5. Selecting A Location And Connecting Input Power For 115 VAC Model		13
4-6. Installing Contact Tip And Nozzle		14
4-7.	Threading Welding Wire	15
SECTION 5 − OPERATION		16
5-1.	Controls	16
5-2.	Operating The Gun	17
SECTION 6 − MAINTENANCE &TROUBLESHOOTING		18
6-1.	Routine Maintenance	18
6-2.	Overload Protection	18
6-3.	Drive Motor Protection	18
6-4. Changing Drive Roll Or Wire Inlet Guide		19
6-5. Replacing Gun Contact Tip		20
6-6.	Cleaning Gun Liner	21
6-7.	Replacing Gun Liner	22
6-8.	Troubleshooting Table	24
SECTION 7 − ELECTRICAL DIAGRAM		25

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Contents File Flux Cored Fcaw OM-923Processes DescriptionFrom Hobart to You Table of Contents Warranty Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécurité− Specifications SpecificationsDuty Cycle And Overheating Volt-Ampere Curves Polarity − InstallationInstalling Work Clamp Process/Polarity TableInstalling 4 in 102 mm Wire Spool Installing Wire Spool And Adjusting Hub TensionDo not move or operate unit where it could tip Turn off welding power source Installing Contact Tip And NozzleInput Power Threading Welding WireControls − OperationOperating The Gun Drive Motor Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload ProtectionSlide replacement wire guide into Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Cleaning Gun Liner Replacing Gun Liner End of wire at spool13/16 in 21 mm Troubleshooting Table Trouble RemedyDoes not run Circuit Diagram − Electrical DiagramTypical Fcaw Process Connections − Wire Welding GuidelinesAmperage Typical Control SettingsWire Size Amperage Range Thickness to Amperage aHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Poor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Wire does not feed Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Troubleshooting Guide For Semiautomatic Welding EquipmentMain Assembly − Parts ListDia Part Description Quantity Pkg 225209 Wire Drive AssemblyPage Service SupportAssistance Hobart Welding Products Contact your Distributor for