This course is designed to familiarize participants with the fluid used in hydraulic systems and with the basic functions and uses of filters and strainers, reservoirs, conductors, and accumulators. After completing this course, participants should be able to describe the functions, characteristics, and types of fluid that may be used in hydraulic systems. They should also be able to describe typical uses of filters and strainers, describe the components and accessories of typical reservoirs, describe various types of conductors and fittings, and describe the basic functions and common uses of accumulators in hydraulic systems.