• Semester 6, position 4

Expanding knowledge in the basic problems of engine exploitation, typical failures and overhaul process. Practical application of the gained knowledge on actual physical object. Expanding knowledge in On- Board diagnostics with modern engines.Failure codes and code structure. Fault detection via codes and troubleshooting. Gaining knowledge of general structure and realization of major overhaul and major overhaul operations. Analysis of wear, damage and breakdowns of vital engine elements, movable and immovable.Training for the diagnostics of the cause and type of wear of basic engine parts. Expanding knowledge in the methods of the service of engine in exploitation. The importance of preventive maintenance for the overall economics of engine operation.

General specifications: Application of engineer approach in analysis of machine and devices failures. General structure and realization of maintenance of machines and devices and their overhaul. Ability to analyze and establish the cause of engine failure. Application of OBD ("on-board" ) procedures with modern vehicles. Ability to organize and supervise engine maintenance and major overhaul process.

1. Fundamentals of reliability of engines in exploitation, engine operations and operational quality and engine operational reliability 2. Influence of engine operation on engine reliability and durability. 3. Typical failures of main engine parts and sub-assemblies. 4. Typical failures of engine systems. 5. Fundamentals of engine technical diagnostics. 6. Fundamentals of "On-Board" engine diagnostics. 7. Fundamentals of engine disassembling , overhaul and assembling. 8. Control and testing of engine after assembling. 9. Influence of operational factors on reliability and wear of new and remounted engines. 10.Typical operations of engine maintenance during exploitation. 11.Analysis of engine wear and fractures of basic engine parts.

a) Classroom sessions: 1. Presentation of typical failures of engine parts and systems. 2. Preparation for laboratory sessions, assembling and disassembling of engine.3.Analysis of the importance of engine preventive maintenance process for its durability and exploitation reliability. b) Laboratory sessions: 1. Disassembling and assembling of engine. 2. Presentation of engine operation on test bench for the purpose of testing before exploitation. 3. Excursion-a visit to a service for engine parts processing.

Knowledge of engine design is desirable.

1. D.Knežević: Fundamentals of engine operation and diagnostics IC Engines- (handouts), 2021., available in electronic form in pdf format at the Department of Engines. (in Serbian) 2. Diagnostic procedures, engine systems, sensors, diagnostic codes. Available in electronic form in pdf format at the Department of Engines.

Total assigned hours: 75

New material: 25
Elaboration and examples (recapitulation): 5

Auditory exercises: 9
Laboratory exercises: 21
Calculation tasks: 0
Seminar paper: 0
Project: 0
Consultations: 0
Discussion/workshop: 0
Research study work: 0

Review and grading of calculation tasks: 0
Review and grading of lab reports: 4
Review and grading of seminar papers: 0
Review and grading of the project: 0
Test: 6
Test: 0
Final exam: 5

Activity during lectures: 10
Test/test: 20
Laboratory practice: 30
Calculation tasks: 0
Seminar paper: 0
Project: 0
Final exam: 40
Requirement for taking the exam (required number of points): 30

Mollenhauer, K., Tschoeke, H. (ed.): Handbook of Diesel Engines. Springer-Verlag, Berlin, Heidelberg, 2010. ISBN 978-3-540-89082-9.; Trifunović, R: Engine operation - fundamentals 1st part, Faculty of Mechanical Engineering, Belgrade, 1983. (in serbian).; D. Knežević: Handouts (PDF files), 2021.; D. Knežević: Instructions to carry out laboratory sessions, Test beds for IC engines testing, measuring equipment, Center for IC engines,(PDF files), 2021; D. Ružić: IC Engines in practice - exploitation maintenance overhaul, Belgrade, 2014. (in serbian)