Hobart Welding Products OM-950 A

OM-950 Page 9

SECTION 3 − DEFINITIONS

3-1. Symbols And Definitions

AAmperes Single Phase Do Not Switch

Under Load Input

On Off Output Hz Hertz

Alternating

Current Electrode Positive Electrode Negative Direct Current

Welding Arc VVolts Work Electrode

3-2. Manufacturer’s Rating Labels

217 652-A / 165 371-A

Rating Label For EN/FR Machines Rating Label For All Other Machines

INPUT

VOLTS

AMPERES

PHASE HERTZ

SERIALNO.

STOCK NO.

EVIDENCEOFLABELTAMPERINGVOIDSWARRANTY

LR5071

EVIDENCE OF LABEL TAMPERING VOIDS WARRANTY

TOUTE ALTÉRATION DE L’ÉTIQUETTE ANNULLE LA GARANTIE

Contents

Main STICKMATE LX 235 AC And 235/160 AC/DC From Hobart to You TABLE OF CONTENTS Page SECTION 1 SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage . 1-2. Arc Welding Hazards ELECTRIC SHOCK can kill. ARC RAYS can burn eyes and skin. WELDING can cause fire or explosion. FLYING METAL can injure eyes. BUILDUP OF GAS can injure or kill. HOT PARTS can cause severe burns. 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. FALLING UNIT can cause injury. OVERUSE can cause OVERHEATING STATIC (ESD) can damage PC boards. 1-5. Principal Safety Standards 1-6. EMF Information SECTION 2 CONSIGNES DE SCURIT LIRE AVANT UTILISATION 2-1. Symboles utiliss . 2-2. Dangers relatifs au soudage la rc UNE DCHARGE LECTRIQUE peut entraner la mort. LES RAYONS DARC peuvent entra- ner des brlures aux yeux et la peau. LE SOUDAGE peut provoquer un incendie ou une explosion. DES PARTICULES VOLANTES peuvent blesser les yeux. LES ACCUMULATIONS DE GAZ risquent de provoquer des blessures ou mme la mort. DES PICES CHAUDES peuvent provoquer des brlures graves. 2-3. Dangers supplmentaires en relation avec linstallation, le fonctionnement et la maintenance Risque DINCENDIE OU DEXPLO- SION. LA CHUTE DE LAPPAREIL peut blesser. LEMPLOI EXCESSIF peut SUR- CHAUFFER LQUIPEMENT. LES CHARGES LECTROSTATIQUES peuvent endommager les circuits imprims. 2-5. Principales normes de scurit 2-6. Information EMF SECTION 3 DEFINITIONS A SECTION 4 INSTALLATION 4-1. Specifications AC/DC Models AC Models 4-2. Duty Cycle Charts OM-950 Page 12 4-3. Volt-Ampere Curves A. For AC/DC Models For 235/160A Models AC Volts AC Amperes 4-4. Selecting A Location 4-5. Installing Electrode Holder And Work Clamp PIECE 4-6. Weld Output Cables For weld output cable replacements or extensions, contact your Factory Authorized Service Agent. NOTE 4-7. Electrical Service Guide 4-8. Connecting Input Power 1 SECTION 5 OPERATION 5-1. Controls A. Controls For AC/DC Models B. Controls For AC Models SECTION 6 MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance 3 Months 6 Months 12 Months 6-2. Lubricating Shunt Block And Anti-Noise Adjustment 6-3. Reinstalling Amperage Adjustment Indicator 6-4. Troubleshooting Trouble Remedy SECTION 7 ELECTRICAL DIAGRAMS SECTION 8 WELDING METHODS & TROUBLESHOOTING A. Welding Methods 8-1. Shielded Metal Arc Welding (SMAW) Procedure 8-2. Electrode And Amperage Selection Chart 400 350 300 250 8-3. Striking An Arc 8-4. Positioning The Electrode Holder 8-5. Weld Bead Characteristics 8-6. Conditions That Affect Weld Bead Shape 8-7. Electrode Movement During Welding . 8-8. Butt Joints 8-9. Lap Joints 8-10. Tee Joints B. Welding Troubleshooting Table 6-1. Porosity Table 6-2. Excessive Spatter Table 6-3. Incomplete Fusion Table 6-4. Lack Of Penetration Table 6-5. Excessive Penetration Table 6-6. Burn-Through Table 6-7. Waviness Of Bead Table 6-8. Distortion Page SECTION 9 PARTS LIST . Figure 9-1. Main Assembly (AC/DC model illustrated) Page Page Warranty Questions? Call 1-800-332-3281 7 AM 6 PM EST Effective January 1, 2005 * Original Main Power Rectifiers * Transformers * Stabilizers * Reactors Please complete and retain with your personal records. Resources Available Always provide Model Name and Serial/Style Number. Owners Record Protect Your Investment! Register your product at: HobartWelders.com