REFUSE AND WASTE EQUIPMENT HYDRAULICS

1.   Hydraulic Principles

• Flow/Pressure Relationship

• Pascal’s Law/Bernoulli Principle

• Restrictions/Pressure Drop/Heat/Power Loss

2.   Pump/Valve Combinations

• Fixed Displacement Pump

  • Advantages & Disadvantages

• Variable Displacement Pump

  • Advantages & Disadvantages

3.   Flow and Pressure Control

• Flow Control Valve Types

  • Function & Construction

• Pressure Control Valve Types

  • Function & Construction

  • Understanding Pilot Operation

4.   Power Beyond Circuits

5.   Regeneration Circuits

6.   Accumulators – Types & Functions

7.   Sequence Circuits

8.   Electric & Electrohydraulic Control Valves

• Application and Actuator Control

  • Solenoid Valves

  • Proportional Valves

  • Servo Valves

9.   Discussion of Practical Plumbing Techniques

10. Fluid Types & Seal Compatibility

11. Using Schematics for Troubleshooting Hydraulics Systems

12. How to Apply Logical Troubleshooting Methods

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