FM Techie

Part 8: Frequently Asked Interview Questions on Diesel Generators (Ideal for Job Interviews) In this final part of the Operation and Maintenance of Diesel Generators Series, we address some of the most common questions regarding Diesel Generators (DG). These frequently asked questions (FAQs) cover a range of topics from operational issues and maintenance procedures to engine performance and troubleshooting. Understanding these FAQs is crucial for operators to ensure smooth and efficient operation, prevent common problems, and maintain the longevity of their DG sets. Whether you are a seasoned professional or new to the world of diesel generators, this section will provide clarity on essential topics like fuel system issues, smoke colors, oil pressure concerns, and DG shutdowns. By addressing these concerns, we aim to provide you with the tools and knowledge needed to keep your DG set running at its best. If you haven’t read the previous parts, check them out here: Part 1:  Operatio...

  Part 6: DG Starting Procedures, Do’s & Don’ts, and DG Efficiency Calculations Operating a Diesel Generator (DG) set efficiently requires an understanding of the different starting modes, proper operational procedures, and maintenance best practices. Whether it's for routine operation or testing, knowing the correct procedures to follow ensures smooth performance and prevents costly repairs. The proper handling of the engine through manual, auto start, or test modes can also significantly enhance the generator’s longevity and fuel efficiency. This seventh part of the Operation and Maintenance of Diesel Generators Series provides a detailed overview of DG starting procedures, key operational modes, and critical Do’s & Don’ts to follow for optimal performance. We also explore DG efficiency calculations, which are essential for tracking fuel consumption and understanding operational costs. These insights are valuable in ensuring reliable power supply, especially in critical a...

  Part 6: Understanding A-Check, B-Check, C-Check, and D-Check for Diesel Generators Maintaining a diesel engine is crucial for efficient operation, extending its service life, and ensuring minimal downtime. Regular checks and scheduled maintenance help identify potential issues before they escalate into major problems, ultimately reducing repair costs and improving the engine's performance. The maintenance of diesel engines, particularly those used in diesel generators, follows a structured schedule categorized into A-Check, B-Check, C-Check, and D-Check. These checks are based on time intervals or operating hours, and each level of check has specific tasks designed to ensure optimal functionality. Understanding the different levels of checks and their respective tasks is essential for anyone involved in engine operation or maintenance. In this sixth part of the Operation and Maintenance of Diesel Generators Series, we will dive into the detailed aspects of A-Check, B-Check, C-Che...

  Part 5: Understanding Cooling System of DG, Its Working Principle and Key Components A diesel generator (DG) set relies on an efficient cooling system to maintain optimal engine temperature and prevent overheating. As the diesel engine converts fuel into mechanical energy, a significant portion of the energy is lost as heat, which needs to be dissipated to avoid damaging the engine. Since the engine generates heat at high rates, it is crucial that the cooling system operates efficiently to absorb, circulate, and expel the excess heat. The cooling system in a diesel generator is designed to ensure the engine operates within an optimal temperature range. If the system is not functioning correctly, the engine could overheat, resulting in irreparable damage, reduced efficiency, and shortened engine life. In this fifth part of the Diesel Generator Insights Series, we will explore the cooling system, its essential components, and how proper maintenance can improve engine efficiency, re...

  Part 4: Understanding Fuel System and Air System of Diesel Generators A diesel generator (DG) set relies on multiple interdependent subsystems to ensure optimal performance, fuel efficiency, and power generation. Among these, the fuel system and air system play crucial roles in maintaining engine efficiency and ensuring complete combustion. The fuel system ensures that the correct amount of diesel is delivered at the right time and in the proper condition, while the air system is responsible for supplying fresh air for combustion and efficiently expelling exhaust gases. Without these systems functioning properly, a generator may suffer from power loss, excessive emissions, and reduced efficiency. In this fourth part of the Diesel Generator Insights Series, we will explore the fuel system and air system, their key components, functions, and maintenance best practices. In the next part (Part 5), we will focus on the Cooling System, which plays an essential role in preventing overhe...

   Part 3: Understanding Starting system and Lubrication system of Diesel Generators A diesel generator (DG) set consists of multiple subsystems that work together to ensure reliable and efficient power generation. Among these, the starting system and lubrication system are critical for initiating engine operation and maintaining smooth performance. A well functioning starting system ensures that the generator cranks up efficiently, while an optimized lubrication system reduces friction, dissipates heat, and extends engine life. In this third part of the Operation and Maintenance of Diesel Generators Series, we will focus on the starting system and lubrication system, their key components, functions, and maintenance best practices. If you haven’t read the previous parts, check them out here: Part 1:  Operation and Maintenance of Diesel Generators – Part 1: Understanding Diesel Engine, Its Working Principle and Key Components Part 2:  Operation and Maintenance of Dies...

Part 2: Understanding Alternator, Its Components, and Working Principle Diesel generators play a vital role in ensuring uninterrupted power supply, and at the heart of this power generation process is the alternator. While the diesel engine provides the mechanical power, it is the alternator that converts this energy into usable electrical power. Understanding the alternator, its components, and its working principle is essential for effective operation, maintenance, and troubleshooting of a diesel generator. This is the second part of our 8part Operation and Maintenance of Diesel Generators series, where we delve deep into the alternator’s role in power generation, its components, and how it functions. If you haven’t read Part 1 yet, which covers the diesel engine’s working principles and key components, be sure to check it out for a complete understanding of the system. Check Out Part 1:  Operation and Maintenance of Diesel Generators – Part 1: Understanding Diesel Engine, Its Wo...

Part 1: Understanding Diesel Engine, Its Working Principle and Key Components During power outages, a diesel generator guarantees that power continues to be supplied to a property. Consequently, diesel generators are a vital machine in property management. In these scenarios, a malfunctioning diesel generator can hurt just about any operation, even costing businesses substantial sums of money. To explain diesel generators more clearly, I will be presenting an 8 part series that will touch on the nine topics:  Diesel Engine and its Working Principles Alternator and its Working Principles, Key Components Diesel Generator Subsystems – Starting System, Lubrication System, Fuel System, Cooling System, and Air System Diesel Generator Maintenance – A, B, C, D Checks Diesel Generator Standard Operating Procedures (SOPs), Diesel Generator Do’s and Don’ts, Diesel Generator Efficiency Calculations Diesel Generator Interview Questions & Answers. This first installment will focus on the Die...