Main
Contractor 3025
From Hobart to You
TABLE OF CONTENTS
CALIFORNIA Proposition 65 Warning
WARNING
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SECTION 12 SAFETY PRECAUTIONS - READ BEFORE USING
12-1. Symbol Usage
12-2. Arc Welding Hazards
ELECTRIC SHOCK can kill.
SIGNIFICANT DC VOLTAGE exists after stopping engine on inverters.
12-3. Engine Hazards
FUEL can cause fire or explosion.
STEAM AND HOT COOLANT can burn.
MOVING PARTS can cause injury.
BATTERY EXPLOSION can BLIND.
12-4. Additional Symbols For Installation, Operation, And Maintenance
FALLING UNIT can cause injury.
FLYING SPARKS can cause injury.
OVERHEATING can damage motors.
OVERUSE can cause OVERHEATING.
12-5. Principal Safety Standards
12-6. EMF Information
OM-492 Page 5
SECTION 1 CONSIGNES DE SCURIT LIRE AVANT UTILISATION
1-1. Signification des symboles
1-2. Dangers relatifs au soudage larc
UN CHOC LECTRIQUE peut tuer.
Une tension DC importante subsiste lintrieur des onduleurs aprs avoir coup lalimentation.
1-3. Dangers existant en relation avec le moteur
LE CARBURANT MOTEUR peut pro- voquer un incendie ou une explosion.
LA VAPEUR ET LE LIQUIDE DE REFROIDISSEMENT CHAUD peuvent provoquer des brlures.
1-4. Dangers supplmentaires en relation avec linstallation, le fonctionnement et la maintenance
LE RAYONNEMENT HAUTE FR- QUENCE (H.F.) risque de provoquer des interfrences.
LE SOUDAGE LARC risque de provoquer des interfrences.
1-5. Principales normes de scurit
1-6. Information sur les champs lectromagntiques
SECTION 2 DEFINITIONS
2-1. Symbol Definitions
SECTION 3 SPECIFICATIONS
3-1. Weld, Power, And Engine Specifications
3-2. Dimensions, Weights, and Operating Angles
3-3. Duty Cycle And Overheating
A or V
3-4. Volt-Ampere Curves
3-5. Fuel Consumption
4-1. Installing Welding Generator
SECTION 4 INSTALLATION
4-2. Engine Prestart Checks
4-3. Adding Coolant To Radiator
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4-4. Connecting The Battery
4-5. Installing Exhaust Pipe
4-6. Connecting To Weld Output Terminals
4-7. Selecting Weld Cable Sizes
4-8. Remote 14 Receptacle RC5 Information
A/V
24 VOLTS AC
Engine runs at weld/power speed whenever a device connected to the remote 14 receptacle is running.
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SECTION 5 OPERATING WELDING GENERATOR
5-1. Controls (See Section 5-2)
5-2. Description Of Controls (See Section 5-1)
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5-5. Lift-Arc TIG Procedure
SECTION 6 OPERATING AUXILIARY EQUIPMENT
6-1. Auxiliary Power Receptacles And Circuit Breakers
6-2. Wiring Instructions For Optional 240 Volt, Single-Phase Plug (NEMA 14-50P)
6-3. Wiring Instructions For Optional 240 Volt, 3-Phase Twistlock Plug (NEMA L15-30P)
SECTION 7 MAINTENANCE AND TROUBLESHOOTING
7-1. Routine Maintenance
8 h
20 h
50 h
500 h
800 h
1000 h
2000 h
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7-3. Servicing Air Cleaner
7-4. Servicing Optional Spark Arrestor
7-5. Servicing Engine Lubrication And Fuel Systems
7-6. Servicing Engine Cooling System
7-7. Adjusting Engine Speed
7-8. Overload Protection
7-9. Voltmeter/Ammeter Help Displays
HE.L P0 HE.L P1 HE.L P2
HE.L P3
HE.L P4
HE.L P5 HE.L P6 HE.L P7
HE.L P8
7-10. Troubleshooting
A. Welding
B. Auxiliary Power
C. Engine
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SECTION 9 RUN-IN PROCEDURE
9-1. Wetstacking
9-2. Run-In Procedure Using Load Bank
9-3. Run-In Procedure Using Resistance Grid
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SECTION 10 AUXILIARY POWER GUIDELINES
10-1. Selecting Equipment
OR
10-2. Grounding Generator To Truck Or Trailer Frame
10-3. Grounding When Supplying Building Systems
10-4. How Much Power Does Equipment Require?
10-5. Approximate Power Requirements For Industrial Motors
10-6. Approximate Power Requirements For Farm/Home Equipment
10-7. Approximate Power Requirements For Contractor Equipment
10-8. Power Required To Start Motor
10-9. How Much Power Can Generator Supply?
10-10. Typical Connections To Supply Standby Power
10-11. Selecting Extension Cord (Use Shortest Cord Possible)
SECTION 11 PARTS LIST
Figure 11-5. Main Assembly
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Figure 11-7. Inverter Assembly
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Warranty Questions?
Call 1-877-HOBART1 for your local Hobart distributor.
Effective January 1, 2000 (Equipment with a serial number preface of LA or newer)
Please complete and retain with your personal records.
Resources Available
Always provide Model Name and Serial/Style Number.
Owners Record