Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task J. Reciprocating Engine Induction and Cooling Systems

AM.III.J.K8

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Pressure cowling air flow and control.

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Aviation Maintenance Technician Handbook - Powerplant p. 6-33
Chapter 6: Lubrication & Cooling Systems › Engine Cooling Systems › Reciprocating Engine Cooling Systems
entirely dependent on the prop wash. Vanes installed in the augmentors control the volume of air. These vanes are usually left in the trail position to permit maximum flow. They can be closed to increase the heat for cabin ... cowling, one on each side of the propeller spinner. A pressure chamber is sealed off on the top side of the engine with baffles properly directing the flow of cooling air to all parts of the engine compartment. Warm air…
Aviation Maintenance Technician Handbook - Powerplant p. 3-1
Chapter 3: Induction & Exhaust Systems › Reciprocating Engine Induction Systems
located on the engine cowling to allow maximum airflow into the engine’s induction system. The air filter, shown in Figure 3-2, prevents dirt and other foreign matter from entering the engine. Filtered air enters ... fuel metering device (carburetor/fuel injector) where the throttle plate controls the amount of air flowing to the engine. The air coming out of the throttle is referred to as manifold pressure. This pressure is measured in inches of mercury…
Aviation Maintenance Technician Handbook - Powerplant p. 3-5
Chapter 3: Induction & Exhaust Systems › Reciprocating Engine Induction Systems › Supercharged Induction Systems
Induction System Troubleshooting Figure 3-8 provides a general guide to the most common induction system troubles. Supercharged Induction Systems Since aircraft operate at altitudes where the air pressure is lower, it is useful to provide a system for compressing ... air-fuel mixture. Some systems are used to normalize the air pressure entering the engine. These systems are used to regain the air pressure lost by the increase in altitude. This type of system is not a ground boost system…
Aviation Maintenance Technician Handbook - Powerplant p. 6-34
Chapter 6: Lubrication & Cooling Systems › Engine Cooling Systems › Reciprocating Engine Cooling System Maintenance
Reciprocating Engine Cooling System Maintenance The engine cooling system of most reciprocating engines usually consists of the engine cowling, cylinder baffles, cylinder fins, and some use a type of cowl flaps. In addition to these major units, there are also ... some temperature-indicating systems, such as cylinder head temperature, oil temperature, and exhaust gas temperature. The cowling performs two functions: 1. It streamlines the bulky engine to reduce drag. 2. It forms an envelope around the engine that forces air…