Page 2 - From Hobart to You; Register your product at:; Protect Your Investment!
Hobart Welders manufactures a full lineof welders and welding related equipment.For information on other quality Hobart products, contact your local Hobartdistributor to receive the latest full line catalog or individual specification sheets. To locate your nearest distributor or service agency call...
Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 5 - ELECTRIC SHOCK can kill.; SIGNIFICANT DC VOLTAGE exists in inverters after stop-; HOT PARTS can cause severe burns.
OM-945 Page 1 SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING rom_2007 − 04 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if not avoided, will result in death or serious injury. The possible hazards ...
Page 7 - Using a generator indoors CAN KILL; ENGINE HEAT can cause fire.
OM-945 Page 3 1-3. Engine Hazards BATTERY EXPLOSION can BLIND. Always wear a face shield, rubber gloves, and protective clothing when working on a battery. Stop engine before disconnecting or connect- ing battery cables or servicing battery. Do not allow tools to cause sparks when working on a batte...
Page 9 - ARC WELDING can cause interference.
OM-945 Page 5 H.F. RADIATION can cause interference. High-frequency (H.F.) can interfere with radio navigation, safety services, computers, and communications equipment. Have only qualified persons familiar with electronic equipment perform this installation. The user is responsible for having a qua...
Page 10 - UN CHOC ÉLECTRIQUE peut tuer.
OM-945 Page 6 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION rom_2007 − 04fre Se protéger, ainsi que toute autre personne travaillant sur les lieux, contre les étincelles et le métal chaud. 2-1. Signification des symboles DANGER! − Indique une situation dangereuse qui si on l’évite pas p...
Page 12 - LE CARBURANT MOTEUR peut provo
OM-945 Page 8 Suivre les recommandations dans OSHA 1910.252(a)(2)(iv) et NFPA 51B pour les travaux à chaud et avoir de la surveillance et un extincteur à proximité. LE BRUIT peut affecter l’ouïe. Le bruit des processus et des équipements peut affec l’ouïe. Porter des protections approuvés pour les o...
Page 13 - LA CHUTE DE L’APPAREIL peut blesser.
OM-945 Page 9 Dévisser le bouchon légèrement et laisser la vapeur s’échapper avant d’enlever le bouchon. L’utilisation d’un groupe autonome à l’intérieur PEUT VOUS TUER EN QUELQUES MINUTES. Les fumées d’un groupe autonome contient du monoxyde de carbone. C’est un poison invisi- ble et inodore. JAMAI...
Page 15 - -6. Proposition californienne 65 Avertissements
OM-945 Page 11 2-6. Proposition californienne 65 Avertissements Les équipements de soudage et de coupage produisent des fumées et des gaz qui contiennent des produits chimiques dont l’État de Californie reconnaît qu’ils provoquent des mal- formations congénitales et, dans certains cas, des cancers. ...
Page 19 - Notes; MATERIAL THICKNESS REFERENCE CHART
OM-945 Page 15 4-6. Volt-Ampere Curves 197 253 The volt-ampere curve shows the minimum and maximum voltage and amperage output capabilities of the welding generator. Curves of all other settings fall between the curves shown. Notes 16 Gauge (.063 in) 22 Gauge (.031 in) 24 Gauge (.025 in) 20 Gauge (....
Page 24 - -8. Connecting To Weld Output Terminals
OM-945 Page 20 5-8. Connecting To Weld Output Terminals 803 778-A / Ref. 226 427-A Tools Needed: 4 2 3 Do not place anything between Correct Installation Incorrect Installation 1 weld cable terminal and copper bar. 3/4 in ! Stop engine. ! Failure to properly connectweld cables may cause ex- cessive ...
Page 26 - Frequently
OM-945 Page 22 6-2. Cold Weather Engine Operation Ref. 226 427-A 1 Engine Control Switch Carburetor Icing Carburetor icing causes the unit to drop below the normal idle speed and then stall. This condition occurs when the temperature is near freezing and the rela- tive humidity is high. Ice forms on...
Page 28 - -2. Optional Generator Power Receptacles; Start Your Professional
OM-945 Page 24 7-2. Optional Generator Power Receptacles ! If unit does not have GFCI re-ceptacles, use GFCI- protected extension cord. Combined output of all receptacles limited to 10 kVA/kW rating of the generator. GFCI Receptacle Option 1 120 V 20 A AC GFCI Recep- tacles GFCI2 and GFCI3 GFCI2 and...
Page 29 - Receptacle
OM-945 Page 25 7-3. Wiring Instructions For Optional 240 Volt, Single-Phase Plug (NEMA 14-50P) plug1 11/03 − 120 813-D The plug can be wired for a 240 V, 2-wire load or a 120/240V, 3-wire load. See circuit diagram.1 Plug Wired for 120/240 V, 3-Wire Load When wired for 120 V loads, each duplex recept...
Page 30 - SECTION 8
OM-945 Page 26 SECTION 8 − MAINTENANCE (ROBIN-POWERED UNITS) 8-1. Routine Maintenance (Robin-Powered Units) ! Stop engine before maintaining. See Engine Manual and Maintenance Labelfor important start-up, service, and storage information. Service engine more often if used in severe conditions. Recyc...
Page 42 - TROUBLESHOOTING
OM-945 Page 38 SECTION 10 − TROUBLESHOOTING 10-1. Troubleshooting A. Welding Trouble Remedy No weld output. Check control settings. Check weld connections. Reset circuit breaker CB4 (see Section 8-4 or 9-4). Unit overloaded. Stop unit and reduce load. Restart unit to reset generator protection circu...
Page 44 - Pros weld and cut
OM-945 Page 40 Trouble Remedy During operation in near freezing tem- peratures, engine starts and goes to idle but stalls after a few minutes. Treat fuel with isopropyl alcohol de-icer product. Place Engine Control switch in the Run position until unit has been in operation and loaded for a peri- od...
Page 45 - ELECTRICAL DIAGRAM
OM-945 Page 41 SECTION 11 − ELECTRICAL DIAGRAM 222129 − B Figure 11-1. Circuit Diagram For Welding Generator (Robin And Kohler-Powered Units)
Page 46 - GENERATOR POWER GUIDELINES; 2-2. Grounding Generator To Truck Or Trailer Frame
OM-945 Page 42 SECTION 12 − GENERATOR POWER GUIDELINES The views in this section are intended to be representative of all engine-driven welding generators. Your unit may differ from those shown. 1 Generator Power Receptacles − Neutral Bonded To Frame 2 3-Prong Plug From Case Grounded Equipment 3 2-P...
Page 47 - 2-3. Grounding When Supplying Building Systems
OM-945 Page 43 1 Equipment Grounding Terminal 2 Grounding Cable Use #10 AWG or larger insulated copper wire.3 Ground Device Use ground device as stated inelectrical codes. ! Ground generator to systemearth ground if supplying power to a premises (home, shop, farm) wiring system. ! Also see AWS Safet...
Page 48 - 2-5. Approximate Power Requirements For Industrial Motors
OM-945 Page 44 12-5. Approximate Power Requirements For Industrial Motors Industrial Motors Rating Starting Watts Running Watts Split Phase 1/8 HP 800 300 1/6 HP 1225 500 1/4 HP 1600 600 1/3 HP 2100 700 1/2 HP 3175 875 Capacitor Start-Induction Run 1/3 HP 2020 720 1/2 HP 3075 975 3/4 HP 4500 1400 1 ...
Page 49 - 2-7. Approximate Power Requirements For Contractor Equipment
OM-945 Page 45 12-7. Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Hand Drill 1/4 in 350 350 3/8 in 400 400 1/2 in 600 600 Circular Saw 6-1/2 in 500 500 7-1/4 in 900 900 8-1/4 in 1400 1400 Table Saw 9 in 4500 1500 10 in 6300 1800 Band Saw 14 i...
Page 51 - 2-10. Typical Connections To Supply Standby Power
OM-945 Page 47 12-10. Typical Connections To Supply Standby Power Transfer Switch Essential Loads Fused Disconnect Switch (If Required) Utility Electrical Service 1 2 3 4 5 Welding Generator Output ! Have only qualified personsperform these connections according to all applicable codes and safety pr...
Page 56 - 3-8. Conditions That Affect Weld Bead Shape
OM-945 Page 52 13-8. Conditions That Affect Weld Bead Shape Weld bead shape is affected by electrode angle, arc length, travel speed, and thickness of base metal. S-0061 ELECTRODE ANGLE ARC LENGTH TRAVEL SPEED Slow Normal Fast 10 ° - 30 ° Drag Too Short Normal Too Long Spatter Angle Too Small Angle ...
Page 58 - Porosity; Excessive Spatter
OM-945 Page 54 13-13. Weld Test S-0057-B 1 Vise 2 Weld Joint 3 Hammer Strike weld joint in direction shown. A good weld bends over but does not break. 2 To 3 in 1/4 in 3 21 2 To 3 in 3 2 1 (51-76 mm) (6.4 mm) (51-76 mm) 13-14. Troubleshooting − Porosity Porosity − small cavities or holes resulting f...
Page 61 - Welding Symbols
OM-945 Page 57 Notes Welding Symbols Ref. AWS/ANSI A2.4
Page 62 - PARTS LIST
OM-945 Page 58 SECTION 14 − PARTS LIST 6 13 16 15 17 10 8 9 12 14 19 11 23 24 21 27 26 25 28 29 22 18 19 20 − FIG 14-3 5 7 2 3 4 42 43 1 44 − FIG 14-2 18 17 35 36 32 33 34 45 30 31 37 38 39 40 41 Ref. 802 343 − R Hardware is common andnot available unless listed. Figure 14-1. Main Assembly (Robin En...
Page 68 - Hobart Welding Products; Please complete and retain with your personal records.; To locate a Distributor,; Contact your Distributor for:; Resources Available; For technical assistance:
PRINTED IN USA © 2007 Hobart Welding Products. 2007 − 01 Hobart Welding Products An Illinois Tool Works Company 600 West Main Street Troy, OH 45373 USA For Technical Assistance: Call1-800-332-3281 For Literature Or Nearest Dealer: Call 1-877-Hobart1 Model Name Serial/Style Number Purchase Date (Date...
