Hydraulic Accumulators

Hydraulic Accumulators


This is the sixth lesson in the Industrial Hydraulic Power Course. This lesson describes the common accumulators and their schematic symbols. It also describes the application and operation of an accumulator in a hydraulic system. Safety considerations for depressurizing and pre-charging an accumulator are discussed.

Module Objectives

  • Identify and describe the application of an accumulator in a system.
  • Identify common types of accumulators.
  • Identify safety considerations for depressurizing and pre-charging an accumulator.
  • Describe how an accumulator operates in a hydraulic system.


This course consists of thirteen lessons. These lessons were designed for beginning hydraulic technicians as well as mechanics, electricians, operators, and for those individuals who need to learn more about industrial hydraulic power. The lessons in this course train participants to identify system components, read schematics, and understand the conditions necessary for proper operation of a hydraulic system.


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