Komatsu 4TNV98C-S5 Engine Shop Manual WENBM00180

Description

• Model List:
  • 4TNV98C-S5 Engine

• 1. Cover
• 2. Table of Contents
• 3. Introduction
• 4. Safety
• 4.1. Safety Statements
• 4.2. Safety Precautions
• 5. General Service Information
• 5.1. Component Identification
• 5.2. Location of Labels
• 5.3. Emission Control Regulations
• 5.4. Emission Control Labels
• 5.5. Engine Family
• 5.6. Function of Major Engine Components
• 5.7. Function of Cooling System Components
• 5.8. Main Electronic Control Components and Features
• 5.9. Installation Position of Sensors
• 5.10. Diesel Fuel
• 5.11. Engine Lubricating Oil
• 5.12. Engine Coolant
• 5.13. Specifications
• 5.14. Principal Engine Specifications
• 5.15. Engine Service Standards
• 5.16. Tightening Torques for Standard Bolts and Nuts
• 5.17. Abbreviations and Symbols
• 5.18. Unit Conversions
• 6. Periodic Maintenance
• 6.1. Before You Begin Servicing
• 6.2. Introduction
• 6.3. Periodic Maintenance Schedule
• 6.4. Periodic Maintenance Procedures
• 7. Engine
• 7.1. Before You Begin Servicing
• 7.2. INTRODUCTION
• 7.3. Cylinder Head Specifications
• 7.4. Camshaft and Timing Gear Train Specifications
• 7.5. Crankshaft and Piston Specifications
• 7.6. Cylinder Block Specifications
• 7.7. Special Torque Chart
• 7.8. Special Service Tools
• 7.9. Measuring Instruments
• 7.10. Cylinder Head
• 7.11. Measuring and Adjusting Valve Clearance
• 7.12. Crankshaft and Camshaft Components
• 7.13. EGR System
• 7.14. Intake Throttle
• 7.15. Exhaust Throttle
• 8. Fuel System
• 8.1. Before You Begin Servicing
• 8.2. System Structure
• 8.3. Fuel System Specifications
• 8.4. Fuel System Diagram
• 8.5. Fuel System Components
• 9. Cooling System
• 9.1. Before You Begin Servicing
• 9.2. INTRODUCTION
• 9.3. Cooling System Diagram
• 9.4. Engine Coolant Pump Components
• 9.5. Engine Coolant System Check
• 9.6. Engine Coolant Pump
• 10. Lubrication System
• 10.1. Before You Begin Servicing
• 10.2. Introduction
• 10.3. Oil Pump Service Information
• 10.4. Lubrication System Diagram
• 10.5. Checking Engine Lubricating Oil Pressure
• 10.6. Oil Pump Components
• 11. Turbocharger
• 11.1. Before You Begin Servicing
• 11.2. Introduction
• 11.3. Specifications
• 11.4. Troubleshooting
• 11.5. Turbocharger Components
• 11.6. Turbocharger Component Functions
• 11.7. Periodic Inspection
• 11.8. Removal and Installation of turbocharger
• 11.9. Cleaning Procedure
• 12. Starter Motor
• 12.1. Before You Begin Servicing
• 12.2. INTRODUCTION
• 12.3. Starter Motor Information
• 12.4. Starter Motor Specifications
• 12.5. Starter Motor Troubleshooting
• 12.6. Starter Motor Components
• 12.7. Starter Motor
• 13. Alternator
• 13.1. Before You Begin Servicing
• 13.2. Introduction
• 13.3. Dynamo and Alternator Information
• 13.4. Alternator Specifications
• 13.5. Dynamo Specifications
• 13.6. Alternator Troubleshooting
• 13.7. Alternator Components
• 13.8. Alternator Wiring Diagram
• 13.9. Alternator Standard Output
• 13.10. Alternator
• 13.11. Dynamo Component Location
• 13.12. Dynamo Wiring Diagram
• 13.13. Operation of Dynamo
• 13.14. Dynamo Standard Output
• 13.15. Testing of Dynamo
• 13.16. Dynamo
• 14. Electronic Control System
• 14.1. Before You Begin Servicing
• 14.2. Introduction
• 14.3. System Structure
• 14.4. HOW TO REMOVE AND REATTACH THE DIESEL PARTICULATE FILTER (DPF)
• 14.5. SF and DPF Maintenance Kit
• 14.6. Troubleshooting of Electronic Control System
• 14.7. Replacement of Components
• 14.8. Electronic Control Harness Connections
• 15. Electric Wiring
• 15.1. Electric Wiring Precautions
• 15.2. Electrical Wire Resistance
• 15.3. Battery Cable Resistance
• 15.4. Electrical Wire Sizes Voltage Drop
• 15.5. Conversion of AWG to European Standards
• 16. Failure Diagnosis
• 16.1. Special Service Tools
• 16.2. Troubleshooting by Measuring Compression Pressure
• 16.3. Measured Value and Troubleshooting
• 16.4. Quick Reference Table for Troubleshooting
• 17. Troubleshooting
• 17.1. CONTENTS
• 17.2. TROUBLESHOOTING
• 17.3. DTC (Diagnostic Trouble Codes) General Description
• 17.4. Method and Procedure of Failure Diagnosis