HN21 – Operate hydraulic systems

Course Objective
To provide the participant with basic knowledge of the construction and function of hydraulic and electric components as well as to develop the ability to read, design and construct simple hydraulic circuits.

Target Group
Industrial operators, technicians, designers and engineers

Course Content

  • Fundamental physical principles of hydraulics:
    - Physical quantities and units in hydraulics
    - Basic physical laws of hydraulics
  • Hydraulic systems:
    - Basic hydraulic system
    - Advantages and disadvantages of hydraulics
  • Components of hydraulic power pack
  • Characteristics and function of hydraulic actuators
  • Characteristics and function of hydraulic valves:
    - Pressure control valves
    - Directional control valves
    - Flow control valves
    - Non-return valves
  • Construction and principle of electrical components:
    - Electrical switches and contacts
    - Basic electrical sensors
    - Solenoid operated directional control valves
  • ISO electrical and hydraulic symbols according to ISO 1219
  • Development and layout of simple controls:
    - Basic hydraulic circuits
    - Electro-hydraulic circuits
  • Simulation and practical exercises 


  • Completed PSLE and are able to speak, read and write in basic English
  • Participants with the following competency rating from the Employability Skills System (ESS) are eligible:
    - Listening / Speaking – Min. level 4
    - Reading / Writing – Min. level 4
    - Numeracy – Min. level 4

4 days (32 hours)