Duration 5 Days
Introduction
Topics covered include hydraulic fundamentals, system operation, pump, valve and actuator service, as well as seals, lines and hydraulic system components.
Who Should Attend
Engineers & Technicians.
Objectives
Upon successful completion of the course, the student will be able to:
- Describe hydraulic system operating principles
- Explain the operation of different types of hydraulic pumps
- Diagnose and service hydraulic pump failures
- Explain the operation of hydraulic valves
- Diagnose and repair hydraulic valve failures
- Explain the operation of hydraulic actuators
- Diagnose and repair of actuator failures
- Explain the need for hydraulic filters
- Service hydraulic filters
- Select the proper hydraulic fluid
- Perform hydraulic system maintenance
Course Outline
Hydraulic Fundamentals
- Basic Principles of Hydraulics
- How hydraulic Systems Work
- Comparing Hydraulic Systems
- Uses of Hydraulics
Hydraulic Pumps
- Types of Hydraulic Pumps
- Gear Pumps
- Vane Pumps
- Piston Pumps
- Hydraulic Pump Ratings
- Malfunctions of Hydraulic Pumps
- Diagnosing Hydraulic Pump Failures
Hydraulic Valves
- Types of Hydraulic Valves
- Pressure Control Valves
- Directional Control Valves
- Volume Control Valves
- Miscellaneous Valves
- Troubleshooting Hydraulic Valves
Hydraulic Cylinders
- Types of Cylinders
- Single Acting Cylinders
- Double Acting Cylinders
- Vane Type Cylinders
- Testing and Diagnosing Cylinder Problems
- Maintenance of Cylinders
Hydraulic Motors
- Comparing Pump and Motor Design
- Types of Hydraulic Motors
- Gear Motors
- Vane Motors
- Piston Motors
- Hydraulic Motor Application & Efficiency
- Hydraulic Motor Malfunctions
Hydraulic Accumulators
- Use of Accumulators
- Types of Accumulators
- Pneumatic Accumulators
- Weight Loaded Accumulators
- Spring Loaded Accumulators
Hydraulic Filters
- Why and How are Filters Used
- Types of Filters
- Degrees of Filtration
- Contamination
- Maintenance of Filters
Reservoirs, Oil Coolers, Hose, Pipes, Tubes and Couplers
- Reservoirs
- Oil Coolers
- Flexible Hoses
- Pipes and Tubes
- Pipe Couplers
Hydraulic Seals
- Use of Seals
- Types of Seals
- Seal Failures and Remedies
Hydraulic Fluids
- What Hydraulic Fluids Do
- Properties of Hydraulic Fluids
- Maintaining Good Fluid
General Maintenance
- Maintenance of the Whole System
- Importance of Oil and Filter Changes
- Preventing Leaks
Diagnosing and Testing Hydraulic Systems
- Seven Basic Steps
- Trouble Shooting Charts
Symbols Used in Fluid Power Diagrams
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