Page 210 Doc # 6.02.01 09 Jan 2003 Rev. 4
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Fuel System
AMM

%

DA 40 Series

Detail Steps/Work Items  Key Items/References 
WARNING: MAKE SURE THAT THE ENGINE IS SAFE BEFORE YOU DO WORK ON THE FUEL SYSTEM. IF THE ENGINE IS TURNED, THE PROPELLER CAN CAUSE INJURY OR DEATH. 
(3)  Make sure that the engine is safe: S Set the ignition switch to OFF. S Set the throttle to IDLE. S Set the mixture control to LEAN/CUT-OFF. 
(4)  Remove the engine cowlings.  Refer to Section 71-10. 
WARNING: DO NOT GET FUEL ON YOU. FUEL CAN CAUSE SKIN DISEASE. WARNING: DO NOT ALLOW FIRE NEAR FUEL. FUEL BURNS AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT. 
(5)  Disconnect the fuel feed hose at the engine driven fuel pump (EDP).  Use a suitable container to catch the fuel. 
(6)  Place the open end of the fuel hose that you have disconnected from the EDP, so that it will release fuel into the calibrated fuel container.  Electrically bond the airplane and calibrated container. 
(7)  Set the ALT/BAT switch to ON and the electric fuel pump to ON. 
(8)  Set the fuel selector valve to LEFT for a few seconds until there is a steady flow of fuel from the fuel hose into the calibrated container. Then set the fuel selector valve to OFF. 
(9)  Read the quantity of fuel in the calibrated container and make a record of the quantity (x liters). 
(10)  Set the fuel selector valve to LEFT for 1 minute, then set the fuel selector valve to OFF.  Use the stopwatch. 
(11)  Read the quantity of fuel in the calibrated container and make a record of the quantity (y liters). 

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AMM

%

%

%

DA 40 Series

Detail Steps/Work Items  Key Items/References 
(12)  Calculate the fuel flow from the left tank: (y liters -x liters) = Fuel flow rate (liters/min.)  Record the result in the airplane documents. 
(13)  Do steps 8 thru 12 for with the fuel selector valve set to RIGHT. 
(14)  Set the electric fuel pump to OFF and set the ALT/BAT switch to OFF. 
(15)  Connect the fuel feed hose to the EDP. 
(16)  Do a test for fuel leaks at the EDP connection: S Set the ALT/BAT switch to ON. S Set the electric fuel pump to ON. S Set the fuel selector valve to BOTH. S Examine the fuel connection at the EDP for leaks. S Set the fuel selector valve to OFF. S Set the electric fuel pump to OFF. S Set the ALT/BAT switch to OFF. 
(17)  Install the engine cowlings.  Refer to Section 71-10. 

Page 212 Doc # 6.02.01 09 Jan 2003 Rev. 4
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Fuel System
AMM

% Section 28-11
% Fuel Storage System - TAE 125 Diesel Engine
% 1. General
% This Section tells you about the fuel storage system for airplanes with the TAE 125 Diesel engine
% installed. It tells you about these components:
%) Fuel tanks.
%) Fuel filler assembly.
%) Fuel tank vents.
% Refer to Section 28-01 for a general description of the fuel system and a schematic diagram of the
% fuel system.

28-11-00
Fuel System  AIRCRAFT  DA 40 Series AMM 
% % % % %  Inboard Mounting Rubber (Chafing Protection) 

% 
% 
%  Left Fuel Tank 
% 
% 
% 
% 
%  Cable Conduit for 
%  High Fuel Sensor 
%  Adapter for High Fuel Sensor 
%  Bonding Connection 

Outboard Mounting Rubber  Check Valve 
Vent Adapters  (Bleed Type) 
Worm-Drive Clamps 
Flexible Coupling 

Worm-Drive Clamps
Fuel Filler Cap
% High Fuel Sensor %
　
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