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Nov 04, 2026
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TRCK 121 - Heavy Truck Brakes
PROGRAM: Automotive Technology
CREDIT HOURS MIN: 3
LECTURE HOURS MIN: 2
LAB HOURS MIN: 2
DATE OF LAST REVISION: Spring, 2019
Theory, service, and repair of medium and heavy truck brake systems and their components. Emphasis is given to air brakes and their theory of operation, repair, and service of system components. Spring brakes and anti-lock systems will be studied on tractors and trailers.
MAJOR COURSE LEARNING OBJECTIVES: Upon successful completion of this course the student will be expected to:- Demonstrate proper shop safety practices while using brake tools and equipment. (a,b)
- Use and identify tools and equipment used to repair brake systems. (b)
- Identify and explore operation, construction, and nomenclature of braking system components including hydraulic, air, and mechanical control devices. (e,f)
- Use safety procedures while servicing caged spring brake systems. (a,b,f)
- Diagnose and repair ABS and traction control systems on tractors and trailers. (b,c,e,f,h)
- Diagnose, service, and repair air brake systems. (b,c,e,f,h)
- Test and service air supply and storage circuits. (e,f)
- Perform air brake leak down test. (e,f)
- Inspect, test, and repair air brake lines and hoses. (e,f)
- Replace drive axle bearings, hubs, axle shafts, seals, and wheel studs. (b,e,f,h)
COURSE CONTENT: Topical areas of study include - - Brake Components
- Air pressure principles
- Compressors
- Storage tanks
- Air lines and fittings
- Tractor protection valves
- Drum brakes
- Disc brakes
- Parking brakes
- Anti-lock brakes
GRADING POLICY
GRADE DISTRIBUTION
| A |
92-100 |
| B |
83-91 |
| C |
74-82 |
| D |
65-73 |
| F |
0-64 |
Course Addendum - Syllabus (Click to expand)
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