Testing should include inspecting and assessing, based on
- a check of the air pressure in the brake system
- manufacturer guidelines
- the description of normal operation.
ASE 5: III. Brakes: B. Air Brakes: Air Supply and Service System (P-1)
Process/Skill Questions:
- What may happen when the one-way or double-check valves do not operate correctly?
- Where are the one-way check vales located?
- How do the one-way check valves work?
- Why is it important to protect and store large quantities of air in any air brake vehicle?