Hobart Welding Products 125 Welder User Manual


 
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 Work Clamp 13.................................................................
5-2. Process/Polarity Table 14................................................................
5-3. Changing Polarity 14....................................................................
5-4. Installing Gas Supply 15.................................................................
5-5. Installing Wire Spool And Adjusting Hub Tension 16...........................................
5-6. Serial Number And Rating Label Location 17................................................
5-7. Selecting A Location And Connecting 115 Volt Input Power 17..................................
5-8. Installing Contact Tip And Nozzle 18.......................................................
5-9. Threading Welding Wire 19...............................................................
SECTION 6 OPERATION 20...................................................................
6-1. Controls 20............................................................................
6-2. Operating The Gun 20...................................................................
6-3. 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 24............................................................
7-6. Cleaning Gun Liner 25...................................................................
7-7. Replacing Gun Liner 26..................................................................
7-8. Troubleshooting Table 28.................................................................
SECTION 8 ELECTRICAL DIAGRAM 29.........................................................