Title: Check the operation of the air reservoir/tank drain valves.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing the Air Brakes

Checking should include operating the air reservoir/tank drain valves.

Process/Skill Questions:

- What would one drain from the system?
- Why should the system be drained at the intervals recommended by the manufacturer?
- What may occur when the reservoir/tanks are not drained?