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At the in-line connector.
(8) Install the access panel at the wing root rib:
S Put the access panel into position on the
studs.
% S If access panel is made from aluminium
% (DA4-5741-26-00_2) install bonding cable.
S Install the 11 washers and nuts.
S Tighten the nuts.
% Install on 3rd bolt from bottom aft corner.
AIRCRAFT
Fuel System
DA 40 Series
AMM
Detail Steps/Work Items Key Items/References
Page 210
20 Sep 2007 28-10-00 Doc # 6.02.01
Rev. 5
(9) Install the drain valve:
S Install a new O-ring onto the drain valve
assembly.
S Install the drain valve assembly into the
mounting at the bottom of the inboard fuel
chamber.
S Secure the drain valve assembly with lockwire.
S Install the access panel. Refer to Section 52-40.
(10) Install the wing onto the airplane. Refer to Section 57-10.
(11) Refuel the airplane. Refer to Section 12-10. Look specially
for fuel leaks from the tank assembly
which you have installed.
(12) Test the fuel storage system. Refer to Paragraph 4.
4. Test the Fuel Storage and Distribution System
Do this test when you have removed/installed a major component of the fuel system, or if there is any
trouble with the fuel supply to the engine.
A. Equipment
Item Quantity Part Number
25 liter (minimum) calibrated fuel container. 1 Commercial.
Stopwatch. 1 Commercial.
B. Procedure
You need two persons to do this test, one person in the airplane cockpit and one person at the
engine bay.
Detail Steps/Work Items Key Items/References
(1) Make sure that both the left and right fuel tanks
are full. Refuel if necessary.
Refer to Section 12-10.
AIRCRAFT
DA 40 Series
AMM
Fuel System
Detail Steps/Work Items Key Items/References
Doc # 6.02.01
Rev. 5 28-10-00 Page 211
20 Sep 2007
(2) Select the fuel selector in the cockpit to OFF.
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).
AIRCRAFT
Fuel System
DA 40 Series
AMM
Detail Steps/Work Items Key Items/References
Page 212
20 Sep 2007 28-10-00 Doc # 6.02.01
Rev. 5
(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.
AIRCRAFT
DA 40 Series
AMM
Fuel System
Doc # 6.02.01
Rev. 5 28-11-00 Page 1
20 Sep 2007
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
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