Hobart Welding Products OM-240 438E

OM-240 438 Page 42

SECTION 11 − ELECTRICAL DIAGRAMS

Figure 11-1. Circuit Diagram For Welding Generator

Contents

Main From Hobart to You Page TABLE OF CONTENTS SECTION 1 SAFETY PRECAUTIONS READ BEFORE USING 1-1. Symbol Usage 1-2. Arc Welding Hazards ELECTRIC SHOCK can kill. SIGNIFICANT DC VOLTAGE exists in inverter power sources AFTER stopping engine. FUMES AND GASES can be hazardous. BUILDUP OF GAS can injure or kill. ARC RAYS can burn eyes and skin. WELDING can cause fire or explosion. NOISE can damage hearing. 1-3. Engine Hazards BATTERY EXPLOSION can injure. BATTERY CHARGING OUTPUT can injure. FUEL can cause fire or explosion. MOVING PARTS can injure. 1-4. Hydraulic Hazards HYDRAULIC EQUIPMENT can injure or kill. HYDRAULIC FLUID can injure or kill. HOT PARTS AND FLUID can burn. 1-5. Compressed Air Hazards 1-6. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. FALLING EQUIPMENT can injure. OVERHEATING can damage motors. FLYING SPARKS can injure. 1-7. California Proposition 65 Warnings 1-8. Principal Safety Standards 1-9. EMF Information SECTION 2 CONSIGNES DE SCURIT LIRE AVANT UTILISATION 2-1. Signification des symboles 2-2. Dangers relatifs au soudage larc UN CHOC LECTRIQUE peut tuer. LES PICES CHAUDES peuvent DES PIECES DE METAL ou DES SALETES peuvent provoquer des blessures dans les yeux. LES FUMES ET LES GAZ peu- vent tre dangereux. LES ACCUMULATIONS DE GAZ risquent de provoquer des blessures ou mme la mort. LES RAYONS DE LARC peuvent provoquer des brlures dans les yeux et sur la peau. 2-3. Dangers existant en relation avec le moteur LEXPLOSION DE LA BATTERIE peut provoquer des blessures. Le COURANT DE CHARGE DE BATTERIE peut provoquer des blessures LE CARBURANT MOTEUR peut pro- voquer un incendie ou une explosion. Les PICES MOBILES peuvent causer des blessures. 2-4. Dangers lis lhydraulique Les QUIPEMENTS HYDRAULIQUES peuvent provoquer des blessures ou mme la mort. Le LIQUIDE HYDRAULIQUE risque de provoquer des blessures ou mme la mort. Les PICES MOBILES peuvent causer des blessures. LES PICES ET LIQUIDES CHAUDS peuvent provoquer des brlures. 2-5. Dangers lis lair comprim Un QUIPEMENT PNEUMATIQUE risque de provoquer des blessures ou mme la mort. LAIR COMPRIM risque de provoquer des blessures ou mme la mort. LINHALATION DAIR COMPRIM risque de provoquer des blessures ou mme la mort. Une PRESSION DAIR RSIDUELLE ET DES FLEXIBLES QUI FOUETTENT risquent de provoquer des blessures. 2-6. Risque DINCENDIE OU DEXPLOSION. LA CHUTE DE LQUIPEMENT peut provoquer des blessures. LE SURCHAUFFEMENT peut endommager le moteur lectrique. LES TINCELLES PROJETES peuvent provoquer des blessures. 2-7. Proposition californienne 65 Avertissements 2-8. Principales normes de scurit 2-9. Informations relatives aux CEM SECTION 3 DEFINITIONS h Hours s 3-1. Symbol Definitions SECTION 4 SPECIFICATIONS 4-1. Weld, Power, and Engine Specifications 4-2. Dimensions, Weights, And Operating Angles 4-3. Dimensions For Units With Optional Running Gear 4-4. Duty Cycle Welding Amperes % Duty Cycle 4-5. Volt-Ampere Curves Page SECTION 5 INSTALLATION 5-1. Serial Number And Rating Label Location 5 ! ! ! 5-4. Engine Prestart Checks 5-5. Installing Exhaust Pipe ! 5-6. Connecting Or Replacing the Battery + + ! Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual. Page SECTION 6 OPERATING THE WELDING GENERATOR 6-1. Front Panel Controls 6-2. Cold Weather Engine Operation Frequently Loaded Infrequently Loaded Over 80,000 trained since 1930! Start Your Professional Welding Career Now! 6-3. Typical Stick Welding Connections And Control Settings > SECTION 7 OPERATING AUXILIARY EQUIPMENT 7-1. Standard Receptacles ! ! 7-2. Simultaneous Weld And Power 7-3. Wiring Optional 240 Volt Plug Page 8-2. Routine Maintenance ! Work like a Pro! 8-4. Changing Engine Oil, Oil Filter, and Fuel Filter ! 8-5. Adjusting Engine Speed 8-6. Overload Protection ! 8-7. Servicing Optional Spark Arrestor ! SECTION 9 TROUBLESHOOTING 9-1. Welding Troubleshooting 9-2. Generator Power Troubleshooting 9-3. Engine Troubleshooting SECTION 10 PARTS LIST 10-1. Recommended Spare Parts Page Page SECTION 12 GENERATOR POWER GUIDELINES 12-1. Selecting Equipment ! ! 12-2. Grounding Generator To Truck Or Trailer Frame 12-3. Grounding When Supplying Building Systems ! 12-4. How Much Power Does Equipment Require? 12-5. Approximate Power Requirements For Industrial Motors 12-6. Approximate Power Requirements For Farm/Home Equipment 12-7. Approximate Power Requirements For Contractor Equipment 12-8. Power Required To Start Motor 12-9. How Much Power Can Generator Supply? 12-10.Typical Connections To Supply Standby Power ! 12-11.Selecting Extension Cord (Use Shortest Cord Possible) SECTION 13 STICK WELDING (SMAW) GUIDELINES 13-1. Stick Welding Procedure ! OM-240 438 Page 52 13-2. Electrode and Amperage Selection Chart 2 3 13-3. Striking an Arc 1 2 3 1 13-4. Positioning Electrode Holder 13-5. Poor Weld Bead Characteristics 13-6. Good Weld Bead Characteristics 13-7. Conditions That Affect Weld Bead Shape 13-8. Electrode Movement During Welding 13-9. Groove (Butt) Joints 13-10.Lap Joint 13-11.Tee Joint 13-12.Weld Test 13-13.Troubleshooting Page Page Warranty Questions? Call 1-800-332-3281 7 AM 5 PM EST Effective January 1, 2011 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