Title: Inspect the injector sleeves and seals.
Course: Diesel Equipment Technology I (20107-I) > Section: Diesel Engines: Servicing the Cylinder Head and Valve Train

Inspection should include

- performing a visual inspection of sleeves, seals, and injectors for damage or wear
- following manufacturer guidelines for measuring tip or nozzle protrusion
- using precision measuring tools to verify the sleeve/injector condition
- determining the necessary action.

Process/Skill Questions:

- What could be the effect of an injector or nozzle, either recessed or protruded, from the sleeve or chamber out of specification?
- How frequently should an inspection of injector sleeves and seals take place?