Description
Doosan DE12 Engine Shop Manual
Doosan DE12 Engine Index:
1. SAFETY REGULATIONS & ENGINE SPECIFICATIONS ………………………………………………… 1
1.1. General Notes 1.5. Notes on Safety in Handling Used Engine Oil
1.2. Regulations Designed to Prevent Accidents 1.6. General Repair instructions
1.3. Regulations Designed to prevent Damage 1.7. Engine Specification
to Engine and Premature Wear 1.8. Engine Assembly
1.4. Regulations Designed to Prevent Pollution
2. TECHNICAL INFORMATION ……………………………………………………………………………………… 16
2.1. Engine Model and Serial Number 2.12. Cylinder Compression Pressure
2.2. Engine Type 2.13. Injection Nozzle
2.3. Engine Timing 2.14. Fuel Injection Nozzle
2.4. Valves 2.15. Battery
2.5. Lubrication System 2.16. Air Removal of Fuel System
2.6. Fuel System 2.17. Fuel Supply Pump
2.7. Cooling System 2.18. Turbocharger
2.8. Fan Belt 2.19. Starting Motor
2.9. Air Cleaner 2.20. Electrical Equipment
2.10. Intercooler 2.21. Diagnosis and Remedy
2.11. Valve Clearance Adjust Procedure 2.22. Engine Inspection
3. DISASSEMBLY AND REASSEMBLY OF MAJOR COMPONENTS ………………………………… 48
3.1. Disassembly 3.3. Reassembly
3.2. Inspection and Measurement
4. COMMISSIONING AND OPERATION …………………………………………………………………………. 99
4.1. Preparation 4.4. Operation in Winter Time
4.2. Breaking-In 4.5. Tuning the Engine
4.3. Inspections After Starting
5. MAINTENANCE AND CARE ……………………………………………………………………………………. 103
5.1. Periodical Inspection and Maintenance 5.4. Replacement of Fuel Filter
5.2. Lubrication System 5.5. Fuel System Checks
5.3. Adjustment of Valve Clearance 5.6. Injection Nozzle Maintenance
