Lesson 3: Air Brake Systems
Introduction To Wheeled Vehicle Breaking Systems
Lesson I: Fundamentals Of Wheeled Vehicle Breaking Systems
Introduction - OD10080015
Figure 1. Development Of Friction And Heat.
Introduction - Continued - OD10080019
Braking Requirements
Factors Controlling Retardation
Driver's Reaction Time
External- Contracting And Internal - Expanding Brakes
External- Contracting And Internal - Expanding Brakes - Continued
Brake Drums
Brake Drums - Continued
Brake Shoes
Brake Shoes - Continued
Rotating And NonRottating Units
Self- Energizing Action.
Self- Energizing Action. - Continued - OD10080041
Self- Energizing Action. - Continued - OD10080043
Disk Brakes
Comparison to Drum Brakes
Floating Caliper
Mechanical Brake Systems
Construction
Construction - Continued
Describe the Construction and Operation of Hydraulic Brake Systems
Describe the Construction and Operation of Hydraulic Brake Systems - Continued
Figure 11. Master Cylinder.
Figure 12. Wheel Cylinder
Describe the Construction and Operation of Hydraulic Brake Systems - Continued - OD10080064
Describe the Construction and Operation of Hydraulic Brake Systems - Continued - OD10080065
Learning event 3: Describe Inspection Procedures For Hydraulic Brake Systems
Before Road-Test Inspection
Road Test Inspection
After Road-Test Inspection
Practice Exercise - OD10080076
Answers to Practice Exercise - OD10080078
Lesson 2. Air- Hydraulic Brake Systems
Typical Brake System
Master Cylinder
Air-Hydraulic Cyclinder
Air Compressor
Air Compressor - Continued
Air Governor
Air Reservoir
Trailer Coupling Hoses and Connectors
Emergency Relay Valve
Air- Over Hydraulic Cylinder
5- Ton. 6x6 Trucks
5- Ton. 6x6 Trucks - Continued - OD10080102
5- Ton. 6x6 Trucks - Continued - OD10080104
5- Ton. 6x6 Trucks - Continued - OD10080106
2 1/2 - Ton Series Trucks
Trailers
Trailers - Continued - OD10080111
Trailers - Continued - OD10080113
Learning Event 3: Describe Inspection Procedures for The Air- Hydraulic Brake System
Road- Test Inspection
Road- Test Inspection - Continued
After Road - Test Inspection
Brakes Apply Too Slowly
Noisy Brakes
Practice Exercise - OD10080128
Answers To Practice Exercise - OD10080130
Lesson 3. Air Brake Systems
Figure 16. Typical Air Brake System
Figure 17. Quick- Release Valve
Figure 18. Relay Valve
Figure 19. Brake Chamber
Figure 20. Slack Adjuster
Auxiliary Components
Semitrailler Air- Brake Systems
Operation Of Staight Air- Brake Sytem
Operation Of Staight Air- Brake Sytem - Continued - OD10080149
Operation Of Staight Air- Brake Sytem - Continued - OD10080151
Operation Of Staight Air- Brake Sytem - Continued - OD10080153
Operation Of Staight Air- Brake Sytem - Continued - OD10080155
Operation Of Staight Air- Brake Sytem - Continued - OD10080157
Miscellaneous Components
Inspection and Road Test
Table 1. Troubleshooting Service Brakes
Table 1. Troubleshooting Service Brakes - Continued - OD10080162
Table 1. Troubleshooting Service Brakes - Continued - OD10080164
Table 1. Troubleshooting Service Brakes - Continued - OD10080166
Table 1. Troubleshooting Service Brakes - Continued - OD10080167
Table 1. Troubleshooting Service Brakes - Continued - OD10080168
Practice Exercise - OD10080169
Answer to Practice Exercise
Wheeled Vehicle Braking Systems
Introduction To Wheeled Vehicle Breaking Systems
Lesson I: Fundamentals Of Wheeled Vehicle Breaking Systems
Introduction - OD10080015
Figure 1. Development Of Friction And Heat.
Introduction - Continued - OD10080019
Braking Requirements
Factors Controlling Retardation
Driver's Reaction Time
External- Contracting And Internal - Expanding Brakes
External- Contracting And Internal - Expanding Brakes - Continued
Brake Drums
Brake Drums - Continued
Brake Shoes
Brake Shoes - Continued
Rotating And NonRottating Units
Self- Energizing Action.
Self- Energizing Action. - Continued - OD10080041
Self- Energizing Action. - Continued - OD10080043
Disk Brakes
Comparison to Drum Brakes
Floating Caliper
Mechanical Brake Systems
Construction
Construction - Continued
Describe the Construction and Operation of Hydraulic Brake Systems
Describe the Construction and Operation of Hydraulic Brake Systems - Continued
Figure 11. Master Cylinder.
Figure 12. Wheel Cylinder
Describe the Construction and Operation of Hydraulic Brake Systems - Continued - OD10080064
Describe the Construction and Operation of Hydraulic Brake Systems - Continued - OD10080065
Learning event 3: Describe Inspection Procedures For Hydraulic Brake Systems
Before Road-Test Inspection
Road Test Inspection
After Road-Test Inspection
Practice Exercise - OD10080076
Answers to Practice Exercise - OD10080078
Lesson 2. Air- Hydraulic Brake Systems
Typical Brake System
Master Cylinder
Air-Hydraulic Cyclinder
Air Compressor
Air Compressor - Continued
Air Governor
Air Reservoir
Trailer Coupling Hoses and Connectors
Emergency Relay Valve
Air- Over Hydraulic Cylinder
5- Ton. 6x6 Trucks
5- Ton. 6x6 Trucks - Continued - OD10080102
5- Ton. 6x6 Trucks - Continued - OD10080104
5- Ton. 6x6 Trucks - Continued - OD10080106
2 1/2 - Ton Series Trucks
Trailers
Trailers - Continued - OD10080111
Trailers - Continued - OD10080113
Learning Event 3: Describe Inspection Procedures for The Air- Hydraulic Brake System
Road- Test Inspection
Road- Test Inspection - Continued
After Road - Test Inspection
Brakes Apply Too Slowly
Noisy Brakes
Practice Exercise - OD10080128
Answers To Practice Exercise - OD10080130
Lesson 3. Air Brake Systems
Figure 16. Typical Air Brake System
Figure 17. Quick- Release Valve
Figure 18. Relay Valve
Figure 19. Brake Chamber
Figure 20. Slack Adjuster
Auxiliary Components
Semitrailler Air- Brake Systems
Operation Of Staight Air- Brake Sytem
Operation Of Staight Air- Brake Sytem - Continued - OD10080149
Operation Of Staight Air- Brake Sytem - Continued - OD10080151
Operation Of Staight Air- Brake Sytem - Continued - OD10080153
Operation Of Staight Air- Brake Sytem - Continued - OD10080155
Operation Of Staight Air- Brake Sytem - Continued - OD10080157
Miscellaneous Components
Inspection and Road Test
Table 1. Troubleshooting Service Brakes
Table 1. Troubleshooting Service Brakes - Continued - OD10080162
Table 1. Troubleshooting Service Brakes - Continued - OD10080164
Table 1. Troubleshooting Service Brakes - Continued - OD10080166
Table 1. Troubleshooting Service Brakes - Continued - OD10080167
Table 1. Troubleshooting Service Brakes - Continued - OD10080168
Practice Exercise - OD10080169
Answer to Practice Exercise
Wheeled Vehicle Braking Systems
