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Detail Steps/Work Items Key Items/References
(1) Set ELECTRIC MASTER key switch to ON.
(2) Connect laptop computer to CAN data connector on TAE harness with CAN interface.
CAUTION: IF AN EVENT IS STORED, REFER TO THE ENGINE MANUFACTURER. FURTHER FLIGHT IS NOT PERMISSIBLE.
(3) Read event log of ECU. Refer to TAE Operation and Maintenance Manual OM-02-01, Chapter 5, Annex 10.
(4) Set ELECTRIC MASTER key switch to OFF.
(5) Disconnect laptop computer from CAN data connector on TAE harness.
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72-01-00
AMM
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72-01-00
Engine Fuel and Control
AMM
CHAPTER 73
ENGINE FUEL AND CONTROL
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73-TITLE
AMM
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73-TITLE
Engine Fuel and Control
AMM
TABLE OF CONTENTS
CHAPTER 73
ENGINE FUEL AND CONTROL
% Section 73-00 Engine Fuel and Control - Lycoming Engine
1.
General ..............................................1
2.
Description/Operation ...................................1
Trouble-Shooting
1. General ............................................101
Maintenance Practices
1.
General ............................................201
2.
Remove/Install the Engine Air Filter.......................201
3.
Remove/Install the Fuel Injector..........................203
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73-CONTENTS
AMM
% Section 73-01 % Engine Fuel and Control - TAE 125 Diesel Engine % 1. General ..............................................1 % 2. Description and Operation ................................3 % Trouble-Shooting % 1. General ............................................101 % Maintenance Practices % 1. General ............................................201 % 2. Remove/Install the Engine Fuel Filter and Replace the Element .201
73-CONTENTS
Engine Fuel and Control
AMM
CHAPTER 73
ENGINE FUEL AND CONTROL
% Section 73-00 % Engine Fuel and Control - Lycoming Engine
1. General
% This Section tells you about the fuel system on the Lycoming engine. It gives you general data on the system and the trouble-shooting data on the system. Refer to the Lycoming Maintenance Manual for more data on the engine fuel system
Refer to Section 28-00 for more data on the airplane fuel system and refer to Section 76-00 for more data on the controls which connect to the engine fuel system. Section 77-40 tells you more about the engine integrated display system.
2. Description/Operation
Figure 1 shows the schematic diagram for DA 40. The engine fuel system has these components:
A. Injector
The injector has a hollow body attached to the front of the engine sump. Air flows through the injector to the inlet manifold. A throttle valve in the body of the fuel injector controls the air flow.
The body has a venturi. When air flows through the venturi, the air pressure decreases. The injector uses the decrease in pressure as a measure of air flow to the inlet manifold. Venturi pressure goes to one side of an air diaphragm and air inlet pressure goes to the other side of the diaphragm.
Fuel goes into the injector under pressure. The fuel goes through a fuel strainer to a manual mixture control valve. The fuel flows from the manual mixture control valve through a metering jet to an idle valve. The fuel flows from the idle valve to a fuel diaphragm. This is metered fuel.
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