A fluid power professional should possess exceptional knowledge about the maintenance, troubleshooting, and safety aspects of hydraulic systems for his/her continuing professional development and career advancement. A faculty or a student in an engineering institution must acquire the knowledge of the maintenance, troubleshooting, and safety aspects of hydraulic systems to upgrade his/her knowledge. As the knowledge and skill of the reader improve, professional life is undoubtedly going to be more outstanding and comfortable. This book systematically explains all aspects of maintenance, troubleshooting, and safety features of hydraulic systems to make this book more useful on the shop floor. Good maintenance of a hydraulic system is the result of the successful application of the knowledge of hydraulic technology to keep the system in good working condition all the time. This book is specially written to empower new entrants in the field of hydraulics with maintenance and troubleshooting techniques and refresh the memory and provoke thoughts of experienced hydraulic professionals for a better maintenance experience. The language of the book is simple, the topics are logically arranged, and the information is most up-to-date. The book has been written by a professional trainer who has vast experience in the fluid power area and trained thousands of professionals and students, over 25 years. If you are looking for more in-depth knowledge of fluid power, then this book is a valuable resource that will assist you in your quest for professional development.