Title: (Optional) Replace the oil filter cartridge.
Course: Heating, Ventilation, Air Conditioning, and Refrigeration II (17056-II) > Section: Servicing and Maintaining Fossil Fuel Heating Systems

Replacement of oil filter cartridge should include determining whether the cartridge needs replacement, and, if so, following manufacturer specifications and safety procedures.

Process/Skill Questions:

- How often should the fuel filter cartridge be replaced?
- How can you tell if water is in the fuel?