Title: Check the operation of electric/air horns and reverse warning devices.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing the Cab and Hood Safety Equipment

Checking should include looking for the proper function of

- air horns and reverse warning devices
- horns and warning devices.

Process/Skill Questions:

- What is the purpose of a warning device horn or buzzer when in reverse?
- What condition might cause an air horn not to operate?