Elements and Performance Criteria
- Compression test engine
- Perform tune up
- If applicable, firing pressures are accurately determined and adjusted to specification.
- Engine is started, operated, loaded, and shut down safely.
- Test equipment is correctly applied.
- Air restriction, boost, back pressure and flow tests are performed according to manufacturers' recommendations.
- Readings are recorded and variances from specifications are correctly determined.
- Density of exhaust smoke is correctly determined.
- Valve clearance and/or timing is correctly adjusted.
- Injection pump or injector timing is adjusted to specification.
- Governor rack travel, torque spring load limit, overspeed trips, aneroid or fuel ratio control is adjusted to specification.
- Injector opening pressure is correctly determined and adjusted.