This service manual pertains to the Komatsu 68E-88E series engines, encompassing models such as the 2D68E, 3D68E, 3D74E, 3D78AE, 3D82AE, 3D82E, 3D84E, 3D88E, 4D82E, 4D84E, 4D88E, S3D84E, and S4D84E. These engines are engineered for robust performance and reliability, suitable for a variety of demanding applications. The manual highlights the advanced design and operational efficiency characteristic of Komatsu power units.
The purpose of this comprehensive 212-page manual is to provide detailed guidance for the maintenance, repair, and overhaul of the specified Komatsu engines. It covers essential areas including specifications, cooling, lubrication, fuel systems, troubleshooting, special tools, measurement, adjustment, disassembly, reassembly, and tightening torques. With clear text, high-quality diagrams, and step-by-step instructions, this manual assists owners, mechanics, and technicians in performing all service procedures correctly and efficiently, ensuring optimal engine performance and longevity.
Komatsu 68E-88E series engine service manual.
212 Pages.
This manual covers following model engines.
2D68E-3D68E-3D74E-3D78AE-3D82AE-3D82E-3D84E-3D88E-4D82E-4D84E
4D88E-S3D84E-S4D84E
CONTENTS
1. SPECIFICATIONS AND PERFORMANCE
2. CROSS SECTIONAL VIEWS
3. COOLING WATER, LUBRICATING OIL AND FUEL OIL
4. TROUBLESHOOTING
5. SPECIAL SERVICE TOOLS AND MEASURING INSTRUMENTS
6. MEASUREMENT, INSPECTION AND ADJUSTMENT
7. MEASURING PROCEDURES, SERVICE DATA AND CORRECTIVE ACTION
8. DISASSEMBLY AND REASSEMBLY
9. SERVICE DATA
10. TIGHTENING TORQUE
11. FUEL INJECTION PUMP FOR INDIRECT INJECTION SYSTEM
12. FUEL INJECTION PUMP FOR DIRECT INJECTION SYSTEM
13. GOVERNOR
14. TURBOCHARGER
15. SERVICE INFORMATION FOR CARB ULG REGULATION
16. ATTACHED DRAWING
20. EPA CERTIFIED ENGINE
This factory engine service manual has easy-to-read text
sections with top quality diagrams, pictures and
illustrations. The step by step instructions show you how to
complete any repair or overhaul, correctly and efficiently,
saving time and avoiding expensive mistakes. All specifications and tolerances are listed. Function of components and systems are also explained.
Komatsu 68E-88E series engine service manual.
212 Pages.
This manual covers following model engines.
2D68E-3D68E-3D74E-3D78AE-3D82AE-3D82E-3D84E-3D88E-4D82E-4D84E
4D88E-S3D84E-S4D84E
CONTENTS
1. SPECIFICATIONS AND PERFORMANCE
2. CROSS SECTIONAL VIEWS
3. COOLING WATER, LUBRICATING OIL AND FUEL OIL
4. TROUBLESHOOTING
5. SPECIAL SERVICE TOOLS AND MEASURING INSTRUMENTS
6. MEASUREMENT, INSPECTION AND ADJUSTMENT
7. MEASURING PROCEDURES, SERVICE DATA AND CORRECTIVE ACTION
8. DISASSEMBLY AND REASSEMBLY
9. SERVICE DATA
10. TIGHTENING TORQUE
11. FUEL INJECTION PUMP FOR INDIRECT INJECTION SYSTEM
12. FUEL INJECTION PUMP FOR DIRECT INJECTION SYSTEM
13. GOVERNOR
14. TURBOCHARGER
15. SERVICE INFORMATION FOR CARB ULG REGULATION
16. ATTACHED DRAWING
20. EPA CERTIFIED ENGINE
This factory engine service manual has easy-to-read text
sections with top quality diagrams, pictures and
illustrations. The step by step instructions show you how to
complete any repair or overhaul, correctly and efficiently,
saving time and avoiding expensive mistakes. All specifications and tolerances are listed. Function of components and systems are also explained.
