This course provides a student with the skills and knowledge necessary to maintain and service various hydraulic power transmission systems. Topics covered include hydraulic fundamentals, system operation, pump, valve and actuator service, as well as seals, lines and hydraulic system components.
Prerequisites
AUT 115 Automotive Shop Safety and Environmental Issues.
Corequisites
AUT 190 Automotive Lab.
Quarters Offered
Winter
Course Outcomes
Upon successful completion of the course, students should be able to demonstrate the following knowledge or skills:
- Describe hydraulic system operating principles
- Explain the operation of various types of hydraulic systems and components
- Diagnose and locate various hydraulic system faults
- Perform hydraulic system maintenance and repair
- Select the proper hydraulic fluid for any hydraulic system.
Institutional Outcomes
IO3 Human Relations/Workplace Skills: Students will be able to demonstrate teamwork, ethics, appropriate safety awareness and/or workplace specific skills
Course Content Outline
- UNIT 1: HYDRAULIC FUNDAMENTALS
Basic Principles of Hydraulics
Hydraulic System Types and Operation
Automotive Application of Hydraulics - UNIT 2: HYDRAULIC PUMPS
Gear Pumps
Vane Pumps
Piston Pumps
Hydraulic Pump Ratings
Diagnosis and Repair of Hydraulic Pump Malfunctions - UNIT 3: HYDRAULIC VALVES
Pressure Control Valves
Directional Control Valves
Volume Control Valves
Other Valves
Diagnosis and Repair of Hydraulic Valve Malfunctions - UNIT 4: HYDRAULIC CYLINDERS
Single Acting Cylinders
Double Acting Cylinders
Vane Type Cylinders
Diagnosis and Repair of Hydraulic Pump Malfunctions - UNIT 5: HYDRAULIC MOTORS
Comparing Pump and Motor Design
Gear Motors
Vane Motors
Piston Motors
Hydraulic Motor Application & Efficiency
Diagnosis and Repair of Hydraulic Motor Malfunctions - UNIT 6: HYDRAULIC ACCUMULATORS
Operation of Accumulators
Pneumatic Accumulators
Weight Loaded Accumulators
Spring Loaded Accumulators - UNIT 7: HYDRAULIC FILTERS
Why and How Filters Are Used
Types of Filters
Degrees of Filtration
Contamination
Maintenance of Filters - UNIT 8: RESERVOIRS, OIL COOLERS, HOSE, PIPES, TUBES AND COUPLERS
Reservoirs
Oil Coolers
Flexible Hoses
Pipes and Tubes
Pipe Couplers - UNIT 9: HYDRAULIC SEALS
Use of Seals
Types of Seals
Seal Failures and Remedies - UNIT 10: HYDRAULIC FLUIDS
What Hydraulic Fluids Do
Properties of Hydraulic Fluids
Maintaining Hydraulic Fluid - UNIT 11: GENERAL MAINTENANCE
Hydraulic System and Component Maintenance
Importance of Oil and Filter Changes
Preventing Leaks - UNIT 13: FLUID POWER DIAGRAMS
Fluid Diagram Symbols
Reading Fluid Diagrams