Heavy Duty Diesel Engine (HDD) Operation and Maintenance Online Training

• Outline the principle of operation of diesel engines
• Specify the difference between Heavy Duty Diesel Engines and normal Diesel engines
• Describe how combustion occurs in diesel engines
• Explain the reason of air charging in diesel engines
• List and explain the principle of operation of air charging systems in diesel engines
• List and explain the operation principle of various types of fuel injection systems used in HDD
• Describe the layout and components of various fuel injection systems used in HDD
• Explain how quantity and timing of injected fuel can be controlled
• State the benefits of Diesel Electronic Control (DEC)
• List and explain the principle of operation of various HDD emission control systems
• Outline the procedure and requirements for servicing HDD
• Outline the HDD basic routine maintenance operations
• List and explain how to fix the common HDD troubles

COURSE CONTENT 

Introduction to Heavy Duty Diesel (HDD) Engines

• Meaning of HDD Engine: Rating – Load factor – Operation Duration
• HDD Engine Glossary of Terms
• International Standards for HDD Engine
• HDD Engine Internal and External Characteristic Performance curves
• Design Considerations of HDD Engine
• HDD Engine Construction Features and Materials
• HDD Engine Applications

Work Cycle and Combustion in HDD Engines

• Work Cycle, Internal and External Characteristic Curves of HDD Engines
• Diesel Fuel (Classification – Fuel properties – Fuel tests)
• Combustion Process in Diesel Engines
• Compression Ratio
• Combustion Chambers Shapes
• Direct & Indirect Injection Methods
• Homogenous Charge Compression Ignition (HCCI)
• Air Charging in Heavy Duty Diesel Engines: Types (Mechanical – Turbo – Pressure wave)
• Turbocharger Configuration (Combined Two Stage - Variable Geometry – Sequential )
• Turbocharger Control (Pressure – Fuel compensation)
• Turbocharger Performance Characteristics

Electronic Diesel Control (EDC)

• Advantages of EDC
• EDC Basic Layout and Components (ECU – Sensors – Actuators – Layout for various types of fuel injection systems)
• Open & Closed Loops and Data Processing
• Controlled Quantities: (Start – Drive mode – Idle speed – Maximum speed – Intermediate speed – Cruise speed - etc.)
• Injected Fuel Quantity Limits
• Emission Control Systems;
• Diesel Oxidation Catalyst (DOC)
• Diesel Particulate Filter (DPF)
• Selective Catalyst Reduction (SCR)
• Urea Injection (UI)
• Exhaust Gas Recirculation (EGR)
• Closed Crankcase Ventilation (CCV)

Operation and Maintenance of HDD Engine

• Operation Tips for HDD Engine
• Indicator Lamps
• On-Board Diagnostics
• Fuel Type
• Items to be Noticed
• Tips for Efficient Operation
• Maintenance of Diesel Engines
• Basics of Mechanical Maintenance
• Servicing of Diesel Fuel Injection Systems
• Diesel Engine Tune-up
• Diesel Engine Routine Maintenance Operations (time-based, distance- based)
• Diesel Engines Troubleshooting
• Forms of Diesel Engine Components Failure
• Engines Troubleshooting and Fault Rectification
• Testing of Injection Pumps, Injectors, Fuel Feed Pumps
• Tests for Assessment of Engine Condition (compression, leakage tests)

FOR WHOM

Diesel power generation plants engineers and technicians

TRAINING METHODOLOGY

The training methodology combines lectures, discussions, group exercises and illustrations. Participants will gain both theoretical and practical knowledge of the topics. The emphasis is on the practical application of the topics and as a result participant will go back to the workplace with both the ability and the confidence to apply the techniques learned to their duties.

DATE:

1ST BATCH: 6th – 8th June, 2022               

2ND BATCH: 21st – 23rd Nov, 2022