Hydraulic Pumps, Pumping Principles, and Accumulators (A9502)

This comprehensive interactive multimedia-training program consists of five individual lessons that train participants to identify system components, read schematics, and understand the conditions necessary for proper operation of a hydraulic system.

Prerequisites

This lesson is designed for participants who are familiar with the basic operating principles of hydraulic systems, the stages of power transfer through a hydraulic system, hydraulic schematics, and basic hydraulic safety considerations.

Description

This lesson covers hydraulic pumps and accumulators. The lesson shows and explains the functions of pumps in hydraulic systems and the operating principles of different types of pumps. Common maintenance procedures performed on pumps, procedures for inspecting and monitoring pump efficiency, operating principles of different types of accumulators, common maintenance procedures, and pre-charging accumulators are also covered.

Objectives

Describe the operation of positive and non-positive displacement pumps. Calculate the actual flow rate and the volumetric efficiency. Recognize symptoms of pump malfunction. Identify the axial piston pumps. Describe the function of accumulators.