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 9.........................................
2-5. Principales normes de sécurité 9....................................................
2-6. Informations relatives aux CEM 9...................................................
SECTION 3 − DEFINITIONS 11..................................................................
3-1. Miscellaneous Symbols And Definitions 11............................................
SECTION 4 − SPECIFICATIONS 11..............................................................
4-1. Serial Number And Rating Label Location 11...........................................
4-2. Unit Specifications 11..............................................................
4-3. Duty Cycle And Overheating 12......................................................
4-4. Volt-Ampere Curves 12.............................................................
SECTION 5 − INSTALLATION 13................................................................
5-1. Selecting A Location 13.............................................................
5-2. Installing Welding Gun 13...........................................................
5-3. Installing Work Clamp 14...........................................................
5-4. Process/Polarity Table 14...........................................................
5-5. Changing Polarity 14...............................................................
5-6. Installing Gas Supply 15............................................................
5-7. Connecting Input Power 16..........................................................
5-9. Installing Wire Spool And Adjusting Hub Tension 17.....................................
5-10. Installing Contact Tip And Nozzle 17..................................................
5-11. Threading Welding Wire 18..........................................................
SECTION 6 − OPERATION 20..................................................................
6-1. Controls 20.......................................................................
6-2. 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 23.......................................................
7-6. Cleaning Or Replacing Gun Liner 24..................................................
7-7. Replacing Switch And/Or Head Tube 25...............................................
7-8. Troubleshooting Table 26...........................................................
SECTION 8 − ELECTRICAL DIAGRAM 27........................................................
SECTION 9 − GMAW WELDING (MIG) GUIDELINES 28............................................
SECTION 10 − ACCESSORIES/CONSUMABLES 36...............................................
WARRANTY
COMPLETE PARTS LIST − Available at www.HobartWelders.com
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the ISO 9001 Quality
System Standard.