STANDARD COMPETENCIES:

 

 I.      Understand the principles of force, energy, work, pressure and torque.

 II.     Understand the units of energy, particularly horsepower.

 III.    Describe the function and purpose of a hydraulic system.

 IV.     Identify open-center and closed-center hydraulic systems.

 V.      Understand mechanical force transmission.

 VI.     Interpret hydraulic pictorial drawings and symbols drawings.

 VII.    Describe the sources of inefficiency in a hydraulic power system.

 VIII.   Describe the different fluids used in hydraulic power systems and their proper application.

 IX.     Describe the different pumps used in hydraulic power systems.

 X       Describe the valves used in hydraulic power systems and understand their function.

 XI.     Describe the function of accumulators in hydraulic power systems.

 XII.    Describe and demonstrate basic hydraulic system maintenance procedures.

 XIII.   Describe the seven basic troubleshooting steps.

 XIV.    Demonstrate troubleshooting and problem resolution techniques as applied to hydraulic power systems.

 TOPICAL OUTLINE:

 

 I.      Fundamentals of fluid power

         A.      Fundamental hydraulic circuit

         B.      Basic physical laws

         C.      Pressure and force

 II.     Hydraulic transmission of force and energy

         A.      Flow rate and velocity

         B.      Work power and horsepower

         C.      Properties of hydraulic fluids

 III.    Symbols used in fluid power diagrams

         A.      Reading hydraulic symbol drawings

         B.      Characteristics of symbols

         C.      Hydraulic components and symbols

 IV.     Hydraulic system components

         A.      Pumps

         B.      Cylinders

         C.      Hoses, piping and connections

         D.      Valves

         E.      Accumulators

 V.      General maintenance

         A.      Cleanliness

         B.      Cleaning and flushing Systems

         C.      Preventing overheating

         D.      Preventing air-in-oil problems

         E.      Checking system before operation

         F.      Safety rules

 VI.     Diagnosis and testing of hydraulic systems

         A.      Seven basic steps

         B.      Testing the machine

         C.      Troubleshooting