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  • Chapter 7: Aircraft Systems › Oil Systems

    Oil Systems The engine oil system performs several important functions: • Lubrication of the engine’s moving parts • Cooling of the engine by reducing friction • Removing heat from the cylinders • Providing a seal between the cylinder walls and pistons • Carrying away ... contaminants Figure 7-17. Wet-sump oil system. Reciprocating engines use either a wet-sump or a dry-sump oil system. In a wet-sump system, the oil is located in a sump that is an integral part…

  • Chapter 6: Lubrication & Cooling Systems › Pressure System › Magnetic Chip Detectors

    Magnetic Chip Detectors Magnetic chip detectors are used in the oil system to detect and catch ferrous (magnetic) particles present in the oil. [Figure 6-44] Scavenge oil generally flows past chip detectors so any magnetic particles are attracted ... detector. Chip detectors are placed in several locations but generally are in the scavenge lines for each scavenge pump, oil tank, and in the oil sumps. Some engines have several detectors to one detector. During maintenance, the chip detectors…

  • Chapter 6: Lubrication & Cooling Systems › Reciprocating Engine Lubrication Systems › Dry Sump Oil Systems

    Sump Oil Systems Many reciprocating and turbine aircraft engines have pressure dry sump lubrication systems. The oil supply in this type of system is carried in a tank. A pressure pump circulates the oil through the engine. Scavenger pumps then ... need for a separate supply tank is apparent when considering the complications that would result if large quantities of oil were carried in the engine crankcase. On multiengine aircraft, each engine is supplied with oil from its own complete…