# CTE Resource Center - Verso - Diesel Equipment Technology III Task 1107399221

CTE Resource Center - Verso

Virginia’s CTE Resource Center

Check for contamination of refrigerant and lubricant.


Checking should include

  • using electronic tools and visual inspection
  • verifying possible contamination to the HVAC system
  • determining needed action.

Process/Skill Questions

  • What failure does metal in the oil indicate?
  • What dangerous contaminates can be found in refrigerant?