Isuzu Engine Base 4JG2 Service Manual for Hyundai Equipment

This service workshop manual is designed to help you perform necessary maintenance, service, and repair procedures on applicable Isuzu Industrial Engines 4JG2.
This workshop manual is applicable to 1996 and later models.
This service guide includes repair and maintenance information, parts diagrams, step by step instructions, assembly and disassembly instructions that will help you to quickly and easily eliminate all the interferences of Isuzu engines.
This service information is presented in PDF format. We recommend using Adobe PDF Reader, to be sure all images/graphics will display correctly.

Engine model covered:
4JG2

Reference only:
- Fork Lift (HDF20-30, -2 Series)

CONTENTS:

• SECTION 1. GENERAL INFORMATION
  • General repair instruction
  • Notes on the format of this manual
  • Main data and specifications
  • Tightening torque specifications
  • Augular nut and bolt tightening method
  • Special parts fixing nuts and bolts
• SECTION 2. MAINTENANCE
  • Model Identification
  • Injection pump identification
  • Lubricating system
  • Fuel system
  • Cooling system
  • Valve clearance adjustment
  • Injection timing
  • Compression pressure measurement
  • Recommended lubricants
  • Repair kit
• SECTION 3. ENGINE ASSEMBLY (1)
  • Disassembly
• SECTION 4. ENGINE ASSEMBLY (2)
  • Inspection and repair
• SECTION 5. ENGINE ASSEMBLY (3)
  • Reassembly
• SECTION 6. LUBRICATING SYSTEM
  • Main data and specifications
  • General description
  • Oil pump
  • Oil filter with built-in oil cooler
• SECTION 7. COOLING SYSTEM
  • Main data and specifications
  • General description
  • Water pump
  • Thermostat
• SECTION 8. FUEL SYSTEM
  • General description
  • Injection nozzle
  • Injection pump data
• SECTION 9. ENGINE ELECTRICALS
  • Starter
  • Alternator
• SECTION 10. TROUBLESHOOTING
  • Hard starting
  • Unstable idling
  • Insufficient power
  • Excessive fuel consumption
  • Excessive oil consumption
  • Overheating
  • White exhaust smoke
  • Dark exhaust smoke
  • Oil pressure does not rise
  • Abnormal engine noise
• SECTION 11. SPECIAL TOOL LIST
• SECTION 12. CONVERSION TABLE
  • Length
  • Area
  • Volume
  • Mass
  • Pressure
  • Torque
  • Temperature