Title: Drain the air reservoir/tanks.
Course: Diesel Equipment Technology II (20107-II) > Section: Brakes: Servicing the Air Brakes

Draining the reservoir/tanks should include checking for the presence of oil, water, or foreign material.

Process/Skill Questions:

- How often should the air reservoir/tanks be checked if an automatic drain is present?
- Where could oil come from if it is in the tank?