Title: Inspect the fitting seals and sealants.
Course: Diesel Equipment Technology III (20107-III) > Section: Hydraulics: Servicing Hoses, Fittings, and Connections

Inspection should include

- looking for signs of leakage or damage surrounding hydraulic fittings
- replacing fitting seals and sealants, as necessary
- ensuring the seals and sealants are compatible with the fluids and temperatures of the hydraulic system.

Process/Skill Questions:

- Why are there different colors of O-rings used in a hydraulic system?
- What is the difference between an aerobic and anaerobic sealant?