Hobart Welding Products OM-925, 217 694E 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.	Information EMF	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	13
SECTION 5 − INSTALLATION		14
5-1.	Installing Welding Gun	14
5-2.	Installing Work Clamp	14
5-3.	Process/Polarity Table	15
5-4.	Changing Polarity	15
5-5.	Installing Gas Supply	16
5-6. Selecting A Location And Connecting Input Power		17
5-7. Installing Wire Spool And Adjusting Hub Tension		18
5-8. Installing Contact Tip And Nozzle		19
5-9.	Threading Welding Wire	20
SECTION 6 − OPERATION		22
6-1.	Controls	22
6-2.	Weld Parameter Chart	24
SECTION 7 − MAINTENANCE & TROUBLESHOOTING		26
7-1.	Routine Maintenance	26
7-2.	Overload Protection	26
7-3.	Drive Motor Protection	26
7-4. Changing Drive Roll Or Wire Inlet Guide		27
7-5. Replacing Gun Contact Tip		27
7-6. Cleaning Or Replacing Gun Liner		28
7-7. Replacing Switch And/Or Head Tube		29
7-8.	Troubleshooting Table	30
SECTION 8 − ELECTRICAL DIAGRAM		31

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Contents OM-925217 694E 2008−10 Arc Welding Power Source Wire FeederProcesses DescriptionProtect Your Investment From Hobart to YouTable of Contents − ACCESSORIES/CONSUMABLES HOT Parts can cause severe burns 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 cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationSymboles utilisés UNE Décharge Électrique peut entraîner la mortIndique des instructions spécifiques DES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- SionProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-925 − Definitions − SpecificationsSymbols And Definitions SpecificationsCan damage unit or gun and void WarrantyDuty Cycle And Overheating Output Duty Cycle %10.0 100 110 120 130 140 150 160 Volt-Ampere CurvesVoltage 15.0Be sure that gun end is tight against drive assembly − InstallationInstalling Welding Gun Installing Work ClampChanging Polarity Process/Polarity TableDo not use Argon/Mixed gas regulator/flowmeter Installing Gas SupplyFeedhead Pressure Assembly Open Feedhead Pressure Assembly ClosedDo not move or operate unit Where it could tip Selecting a Location And Connecting Input PowerInstalling Wire Spool And Adjusting Hub Tension Align locking hole in spool with locking pin on spool hubRetaining ring used with 8 in 203 mm spool only Installing Contact Tip And Nozzle Turn off welding power sourceUse with solid or flux cored wire Threading Welding Wire Hold wire tightly to keep it from unravelingLay gun cable out straight Desired drive roll pressure. Start With a setting of 2 or 3 on the scalePressure Indicator Scale TightenSource or -2. Do not switch under load − OperationControls Material Thickness Reference Chart Weld Parameter Chart 217 618-A Drive Motor Protection − Maintenance & TroubleshootingRoutine Maintenance Overload ProtectionStamped Stamped .030/.035 Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip Replacing Gun Contact TipCleaning Or Replacing Gun Liner Disconnect gun from unitTo Reassemble Gun Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableCircuit Diagram − Electrical DiagramRegulator Flowmeter Wire Feeder Power Source Shielding Gas− MIG Welding Gmaw Guidelines Typical MIG Process Connections125 in = 125 a Typical MIG Process Control SettingsWire Size Amperage Range 001 in = 1 ampereGroove Welds Holding And Positioning Welding GunSlow Normal Fast Conditions That Affect Weld Bead ShapePush Perpendicular Drag Short Normal LongPoor 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 Direction Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Base metal to moveTroubleshooting Guide For Semiautomatic Welding Equipment Common MIG Shielding GasesApplication Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power sourceConsumables − ACCESSORIES/CONSUMABLESAccessories Replacement Drive RollsService SupportAssistance Hobart Welding Products Contact your Distributor for