Preventive Maintenance Vocabulary

This type of maintenance includes changing oil and filters, changing fuel filters, and inspection.

• Level one

• Level two

• Level three

This type of maintenance includes steam cleaning the engine and inspection of the turbocharger.

• Level one

• Level two

• Level three

This type of maintenance includes rebuilding the engine's turbocharger, replacing the water pump seal, and inspecting the fan drive assemblies.

• Level one

• Level two

• Level three

A measurement of an oil's ability to neutralize acids formed during combustion.

• Total base number

• Total acid number

A measurement of the acidity of an oil.

• Total base number

• Total acid number

This process was designed to maintain a documented history of all maintenance and repair work performed.

• Preventive maintenance program

• Documentation

• PM forms

• Major component history

Oil oxidation gives an indication of the oil's condition.

• True

• False

A process of diagnosing or locating the source of the trouble or troubles from observation and testing.

• Cylinder compression test

• Selective sampling

• Troubleshooting

Inspection port for checking air cleaner condition.

• Total base number

• Ferrography

• Dust sight window

• Viscosity

An instrument used for measuring the pressure of liquids and gases. Usually a tube filled with water or mercury.

• Manometer

• Ferrography

• Spectrometer

• Documentation