Title: Perform routine preventive maintenance on refrigeration systems.
Course: Heating, Ventilation, Air Conditioning, and Refrigeration I (17056-I) > Section: Servicing and Maintaining Refrigeration Systems

Maintenance should include following standard procedures, including checking and adjusting superheat and subcooling on refrigeration systems.

Process/Skill Questions:

- Which coils require cleaning?
- How often should the coils be cleaned?
- What other components require maintenance?