Title: Inspect the thermostatic cooling fan system and fan shroud for proper operation.
Course: Diesel Equipment Technology I (20107-I) > Section: Diesel Engines: Servicing the Cooling Systems

Inspection should include

- recording the temperature at which the fan starts operating, and comparing it to the manufacturer guidelines
- recording the temperature at which the fan shuts down, and comparing it to manufacturer guidelines
- inspecting the shroud for missing pieces, cracks, or loose hardware
- replacing as needed.

ASE 8: I. Diesel Engines: E. Cooling Systems (P-1)

Process/Skill Questions:

- What is the purpose of the thermostatic fan?
- What can happen if the fan clutch fails?
- What are the two main purposes of the fan shroud?