New Technological Considerations in Diesel Engine Maintenance
Newer generations of diesel engines have been designed and produced simultaneously with the advancement of technology and stricter environmental and safety standards, in which, despite fuel consumption and less pollution, higher ratios of output power to engine weight can be achieved. A significant number of machines and equipment with diesel engines that have entered the country during the last two decades are equipped with newer types of diesel engines with more advanced fueling systems (such as common rail system, injection unit, etc.) controlled by the engine's central computer (ECU). ) are controlled. Maintenance of new diesel engines requires consideration of special requirements.
The bottlenecks in the maintenance of diesel engines
At present, many diesel engine maintenance service providers are only trained empirically and may have a complete understanding of the structure and function of various engine components and systems, methods of identifying defects and fixing defects, using special tools and software. Do not have a computer for troubleshooting, the correct method of accurate measurement and the implementation of adjustments at the time of partial repairs or overhaul, etc. Also, in some cases, the service and maintenance programs implemented on these equipments are set and implemented based on the manufacturer's proposal (that too optimistically). Although the manufacturer's recommendations are one of the design channels of the service and maintenance program, operating conditions and equipment condition (especially in engines that have undergone multiple repairs) can change the maintenance preferences of diesel engines compared to standard equipment conditions.
As a result of these factors, the amount of depreciation and maintenance costs of diesel engines is significantly different from the existing benchmarks in the world. Also, the effective use of maintenance based on condition monitoring, which is generally implemented to the extent of periodic oil analysis in some cases, is far from the effectiveness it can have. The effective implementation of an optimal combination of preventive and predictive methods can have a serious role in reducing maintenance costs and increasing the efficiency of using this equipment.