ONAN EGMBB P2400 EGMBG P3500 Generator Service Manual

This manual provides troubleshooting and repair guidance for the following Cummins-Onan Portable Generator Sets:

• EGMBB, P2400 (Spec A)
• EGMBG, P3500 (Spec A)

It offers instant access and features bookmarks for easy navigation. The manual can be printed and is compatible with both Windows and Mac operating systems.

Details:

• PAGES: 130
• LANGUAGE: English
• PUBLICATION ID: 914−0500
• PUBLICATION YEAR: 2009

Contents:

1. SAFETY PRECAUTIONS
   • Exhaust Gas Is Deadly
   • Gasoline is Flammable / Explosive
   • Generator Voltage is Deadly
   • Moving Parts Can Cause Severe Personal Injury or Death
   • Battery Gases Are Explosive
   • General Precautions
2. INTRODUCTION
   • About This Manual
   • Model Identification
   • Fuel Requirements
   • Generator Set Assembly Instructions
   • Wheel Kit Assembly Instructions
   • Engine Oil Recommendations
3. STARTING AND RUNNING THE GENERATOR SET
   • Control Panel
   • Pre-Start Checks
   • Starting the Generator Set
   • Stopping the Generator Set
   • Powering Tools and Appliances
   • Charging Batteries
   • Circuit Breakers
   • Grounding
   • Low Oil Shutdown
   • Electrical Interference with Communications or Appliances
   • Exercising the Generator Set
   • Engine Break-In
   • Out-of-Service Protection
4. GENERATOR COMPONENTS
5. SPECIFICATIONS
6. DIMENSIONS AND TORQUES
   • Engine Dimensions
   • Generator Dimensions
   • Torque Specifications
   • Standard Torque Specifications
7. MAINTENANCE
   • Maintenance Schedule
   • General Inspections
   • Engine Oil
   • Air Filter Maintenance
   • Fuel Sediment Cup Cleaning
   • Cleaning the Spark Arrester
   • Valve Clearance
   • Governor Adjustments
8. SERVICING THE GENERATOR SET
   • Preparing for Service
   • Removal and Replacement of Gaskets
9. CONTROL PANEL
   • Control Panel Components
   • Control Panel Service
10. GENERATOR SERVICE
    • Generator Disassembly
    • Generator Reassembly
    • Brush Block and Slip Rings
    • Generator Component Testing
11. ENGINE
    • Cylinder Head / Valves
    • Camshaft/Crankshaft
    • Piston
    • Oil Level Switch
12. FUEL, START, AND IGNITION SYSTEMS
    • Fuel System
    • Choke Assembly
    • Governor Assembly
    • Carburetor
    • Fuel Cut-Off Solenoid
    • Starting System
    • Ignition System
    • Cooling Fan and Fan Cover
    • Flywheel
13. INTAKE / EXHAUST SYSTEM
    • Muffler
    • Air Cleaner
14. TROUBLESHOOTING
    • Engine Won't Crank (Manual Start)
    • Engine Cranks But Won't Start
    • Engine Starts But Stops Suddenly
    • Unstable Speed
    • Abnormal Exhaust Color
    • Low Engine Speed
    • Low Power
    • No DC Output Voltage
    • No AC Output Voltage
15. SERVICE CHECKLIST
    • Mounting
    • Lubrication
    • Wiring
    • Initial Start Adjustments
    • Exhaust System
    • Fuel System
    • Output Check
    • Control
    • Mechanical
16. WIRING DIAGRAMS
    • Wiring Diagram of EGMBB / P2400
    • Wiring Diagram of EGMBG / P3500
17. MAINTENANCE RECORD