Komatsu SAA4D94LE-3 Engine Shop Manual VENBM07100

Description

• Model List:
  • SAA4D94LE-3 Engine

• 1. VENBM07100 SHOP MANUAL ENGINE
• 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 Oil
• 5.12. Engine Coolant
• 5.13. Aqueous urea
• 5.14. Specifications
• 5.15. Principal Engine Specifications
• 5.16. Engine Service Standards
• 5.17. Tightening Torques for Standard Bolts and Nuts
• 5.18. Abbreviations and Symbols
• 5.19. 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
• 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. Cooling System Diagram
• 9.3. Engine Coolant Pump Components
• 9.4. Engine Coolant System Check
• 9.5. 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 Oil Pressure
• 10.6. Trochoid Oil Pump
• 11. Exhaust System
• 11.1. EGR System
• 11.2. Turbocharger
• 11.3. Diesel Particulate Filter (DPF)
• 11.4. Urea SCR System
• 11.5. Maintenance service for After Treatment Device
• 11.6. Urea SCR System Maintenance
• 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. Alternator Specifications
• 13.4. Alternator Troubleshooting
• 13.5. Alternator Components
• 13.6. Alternator Wiring Diagram
• 13.7. Alternator Standard Output
• 13.8. Alternator
• 14. Electronic Control System
• 14.1. Before You Begin Servicing
• 14.2. Introduction
• 14.3. Electronic Control System
• 14.4. Troubleshooting of Electronic Control System
• 14.5. Replacement of Components
• 14.6. 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. Trouble Shooting
• 17.1. CONTENTS
• 17.2. GENERAL DESCRIPTION OF ENGINE ELECTRONIC CONTROL SYSTEM
• 17.3. DTC (DIAGNOSTIC TROUBLE CODES) GENERAL DESCRIPTION
• 17.4. METHOD AND PROCEDURE OF FAILURE DIAGNOSIS