Title: Identify the causes of system contamination.
Course: Diesel Equipment Technology III (20107-III) > Section: Hydraulics: Servicing Filtration/Reservoirs (Tanks)

Identification should include

- determining the contaminant: dirt, water, antifreeze, metal (e.g., steel, aluminum, brass), rubber
- analyzing the source of possible entry, based upon the contaminant
- determining any needed action.

Process/Skill Questions:

- How does identifying the contaminant help determine the source of the problem?
- Why is flushing a system important after a failure in the hydraulic system?