Hobart Welding Products OM-947 212 149D manual Table of Contents

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		10
4-1.	Installing Work Clamp	10
4-2.	Process/Polarity Table	11
4-3.	Changing Polarity	11
4-4.	Installing Gas Supply	12
4-5. Installing Wire Spool And Adjusting Hub Tension		13
4-6. Selecting A Location And Connecting Input Power For 115 VAC Model		14
4-7. Installing Contact Tip And Nozzle		15
4-8.	Threading Welding Wire	16
SECTION 5 − OPERATION		17
5-1.	Controls	17
5-2.	Operating The Gun	17
5-3.	Weld Parameter Chart	18
SECTION 6 − MAINTENANCE &TROUBLESHOOTING		20
6-1.	Routine Maintenance	20
6-2.	Overload Protection	20
6-3.	Drive Motor Protection	20
6-4. Changing Drive Roll Or Wire Inlet Guide		21
6-5. Replacing Gun Contact Tip		22
6-6.	Cleaning Gun Liner	23
6-7.	Replacing Gun Liner	24
6-8.	Troubleshooting Table	26
SECTION 7 − ELECTRICAL DIAGRAM		27