Hobart Welding Products 187 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 Nozzle, Contact Tip, And Adapter	13
5-2.	Installing Welding Gun	13
5-3.	Installing Work Clamp	14
5-4.	Process/Polarity Table	15
5-5.	Changing Polarity	15
5-6.	Installing Gas Supply	16
5-7.	Selecting A Location And Connecting Input Power	17
5-8.	Electrical Service Guide	18
5-9.	Installing Wire Spool And Adjusting Hub Tension	18
5-10.	Threading Welding Wire	19
SECTION 6 − OPERATION		20
6-1.	Controls	20
6-2.	Weld Parameter Chart For 230 VAC Model	22
SECTION 7 − MAINTENANCE & TROUBLESHOOTING		24
7-1.	Routine Maintenance	24
7-2.	Overload Protection	24
7-3.	Drive Motor Protection	24
7-4.	Changing Drive Roll Or Wire Inlet Guide	25
7-5.	Changing Nozzle, Contact Tip, Adapter And Liner, And Cleaning Gun Casing	26
7-6.	Replacing Switch And/Or Head Tube	27
7-7.	Troubleshooting Table	28
SECTION 8 − ELECTRICAL DIAGRAM		30

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Contents 2010−01 OM-228 187BProcesses DescriptionProtect Your Investment From Hobart to YouTable of Contents − Parts List HOT 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 InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES 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-228 187 − Definitions − SpecificationsSymbols And Definitions SpecificationsOutput Duty Cycle And OverheatingVolt-Ampere Curves Amperes− Installation Installing Nozzle, Contact Tip, And AdapterInstalling Welding Gun Installing Work Clamp Turn off welding power source Process/Polarity TableChanging Polarity Installing Gas Supply Selecting a Location And Connecting Input Power Installing Wire Spool And Adjusting Hub Tension Electrical Service GuideHold wire tightly to keep it from unraveling Threading Welding WireControls − OperationOM-228 187 CFH Weld Parameter Chart227010 Drive Motor Protection − Maintenance & TroubleshootingRoutine Maintenance Overload ProtectionChanging Drive Roll Or Wire Inlet Guide Thread wire according to Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableOM-228 187 Circuit Diagram − Electrical Diagram228 180-A Typical MIG Process Connections − MIG Welding Gmaw GuidelinesTypical MIG Process Control Settings Wire Size Amperage RangeSelect Voltage Groove Welds Holding And Positioning Welding GunConditions 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 Troubleshooting − Distortion Troubleshooting − Waviness Of BeadTroubleshooting Guide For Semiautomatic Welding Equipment Common MIG Shielding GasesApplication Welding arc not stable Wire slipping in drive rolls Main Assembly − Parts ListDia Part Description Quantity 228 245 H100S2-10 GunOptions Optional Drive RollsService SupportAssistance Hobart Welding Products Contact your Distributor for