Vent Hoses
%
Fuel Filler Assembly
%
%
%
% % Fuel Quantity Probe Low Fuel Sensor Fuel Return Line
%
%
% Finger Filter
%
%
% Temperature Sensor
%
% Bonding Connection
%
% Drain Valve
%
%
%
% Figure 1: Left Fuel Tank Installation
%
Vent Pipe with Relief Valve Bonding Connection
Bonding Connection
Page 2 Doc # 6.02.01 09 Jan 2003 Rev. 4
28-11-00
Fuel System
AMM
% 2. Fuel Tank Description
% The airplane has two fuel tanks. Each tank has a usable capacity of 14 US gal (53 liters). One tank % is located in the inner part of each wing. Figure 1 shows the left fuel tank assembly. Figure 2 shows % the right fuel tank assembly.
% Each tank is a welded aluminum structure. Baffles in the tank prevent the fuel from moving quickly % from one end of the tank to the other during flight. The tank has bosses welded in the inboard face for % the fuel quantity probe, the low fuel sensor, and the fuel temperature sensor. Other bosses make % connection points for hoses.
% A finger filter at the tank outlet prevents debris from entering the fuel system. A drain valve is located % in the lower surface of the tank. You can use the drain valve to defuel the fuel tank and for doing fuel % contamination tests.
% The outer face of the tank has a large adapter for the fuel filler assembly. A smaller adapter on the % left tank holds a 'high fuel' sensor. There are also two small adapters at the top of the outer face for % vent hoses.
% The right tank has two adapters which connect to a loop of pipe inside the tank. This is the cooling % loop.
% A fuel quantity probe attaches to the inboard end of each fuel tank. Refer to Section 28-41 for more % data on the fuel quantity indication system.
% Two ribs hold each fuel tank assembly in position. Padded rubber strips go between the tank and each % rib. The filler cap is attached to the upper skin of the wing with 8 screws. It holds the tank assembly % in position in spanwise direction.
Doc # 6.02.01 Page 3
Rev. 4 09 Jan 2003
28-11-00
% % % Vent Hose with Restrictor %
Fuel Filler Cap
%
%
%
%
%
% Bonding Connection %
Check Valve
(Bleed Type)
%
%
Fuel Filler Assembly
% % % % % % % % % % % % % % % % Cooling Loop % %
DA 40 Series AMM
AIRCRAFT
Vent Hoses
Bonding Connection
Worm-Drive Clamps
Flexible Coupling
Worm-Drive Clamps
Bonding Connection Outboard Mounting Rubber (Chafing Protection)
Right Fuel Tank
Inboard Mounting Rubber
Fuel Return Line Adapter
Bonding Connection
Bonding Connection
% % Drain Valve %
Fuel Return Line Adapter
%
Temperature Sensor
Low Fuel Sensor
Finger Filter
% % % % % % % Fuel Quantity Probe Figure 2: Right Fuel Tank Installation
Page 4 09 Jan 2003 28-11-00 Doc # 6.02.01 Rev. 4
Fuel System
AMM
% 3. Fuel Filler Assembly
% Figures 1 and 2 also show the fuel filler assembly. It is a welded tubular aluminum component, % approximately 75 mm (3 in) in diameter. The outboard end has a flange that attaches to the top skin % of the wing. It also has slots that engage the fuel filler cap.
% The filler cap has a locking lever. You pull the locking lever up and turn the filler cap counter-clockwise % to release it. You turn the cap clockwise to install it and push down the locking lever to lock it. The area % just below the flange has four adapters for the vent system hoses.
% Note: If the filler cap operates too easily, then it can be leaky. Leaking fuel can cause the % paint finish to become yellow.
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