Title: Check the tractor protection valve.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing Air Brakes

Checking should include inspecting and testing, based on

- DOT guidelines
- the description of normal operation.

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

Process/Skill Questions:

- What other names may the tractor protection valve be called?
- What is the purpose of the tractor protection valve?