Title: Add oil to a compressor.
Course: Heating, Ventilation, Air Conditioning, and Refrigeration I (17056-I) > Section: Servicing and Maintaining Refrigeration Systems

Adding oil to a system should include using a charging cylinder and an oil hand pump.

Process/Skill Questions:

- What keeps a compressor cool?
- Are all oils compatible with all compressors/refrigerants?
- How is the oil level checked?