Title: Check the low-air-pressure warning devices.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing Air Brakes

Checking should include

- the low-pressure warning light (operate according to DOT specifications)
- the low-pressure audible warning device, according to DOT specifications (if equipped).

ASE 2: III. Brakes: B. Air Brakes: Air Supply and Service System (P-1)

Process/Skill Questions:

- What happens when the light does not work as specified?
- What happens when the audible warning device (if equipped) does not work as described?
- What are the reasons for the low-pressure warning devices not working properly?