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Maintenance Practices................................................................................................................201
1. General ...................................................................................................................201
2. Remove/Install the Electric Fuel Pump ..................................................................201
3. Remove/Install the Fuel Shut-Off Valve .................................................................204
4. Functional Test Of The Fuel Shut-Off Valve ..........................................................206
CHAPTER 28-40 INDICATING .................................................................................................................1
1. General.......................................................................................................................1
Fuel
DA20-C1 AMM
Page 2
19 Dec 1997 28-CONTENTS Doc # DA201-C1
Rev. 0
2. Description And Operation ........................................................................................ 1
Trouble-Shooting....................................................................................................................... 101
1. General .................................................................................................................. 101
Maintenance Practices............................................................................................................... 201
1. General .................................................................................................................. 201
2. Remove/Install the Fuel Quantity Sensor .............................................................. 201
3. Calibrate The Fuel Quantity Indication System..................................................... 203
4. Adjust The Fuel Quantity Gauge ........................................................................... 204
5. Remove/Install the Fuel Quantity Gauge............................................................... 204
DA20-C1 AMM
Fuel
Doc # DA201-C1
Rev.13 28-00-00 Page 1
30 Apr 2008
CHAPTER 28-00
FUEL - GENERAL
1. General
This Chapter gives you general data about the airframe fuel system. . See the Continental Engine
manuals for data about the engine fuel system.
2. Description
Figure 1 shows the fuel system schematic diagram. The DA20-C1 has these fuel system
components:
− A 24.5 US gallon fuel tank. The fuel tank is located in the fuselage behind the seats.
− An optional 20 US gallon fuel tank. This tank is located in place of the standard 24.5 US
gallon fuel tank.
− A fuel shut-off valve. The fuel shut-off valve is located on the aft side of the firewall. The
control lever for the shut-off valve is on the forward part of the center console.
− A optional console mounted fuel shut-off valve. This shut-off valve is located between the
pilot and co-pilot seats. The console mounted fuel shut-off valve is installed in place of the
firewall mounted shut-off valve.
− A maintenance shut-off valve. The maintenance shut-off valve lets you remove the filter
screen from the gascolator or the electrical pump without draining the fuel tank. The
maintenance shut-off valve is located below the fuel tank.
− A gascolator. The gascolator is located below the fuel tank. It has a 120 micron filter screen.
The optional Andair gascolator has a 70 micron filter screen
− An electrical fuel pump. The electrical fuel pump is located below the fuel tank.
− A check valve. The check valve is located in the return line beside the fuel tank.
− A fuel quantity sensor. The fuel quantity sensor is located in the top of the fuel tank.
− A fuel quantity gauge. The fuel quantity gauge is located on the right instrument panel.
− A fuel pressure sensor. The fuel pressure sensor is located on the top right-hand side of the
engine mount. Alternatively, some aircraft may have the fuel pressure sensor located behind
the left-hand side of the aft engine baffle.
− A fuel pressure gauge. The fuel pressure gauge is on the right side of the instrument panel.
− A fuel tank drain valve. The drain valve is located below the fuel tank. A spring holds it
closed.
− Two maintenance drain taps. The low point of each supply and return pipe has a
maintenance drain tap.
− Flexible fuel hoses.
Fuel
DA20-C1 AMM
Page 2
28 June 2005 28-00-00 Doc # DA201-C1
Rev. 11
Figure 1: Fuel System Schematic Diagram
DA20-C1 AMM
Fuel
Doc # DA201-C1
Rev. 0 28-00-00 Page 3
19 Dec 1997
3. Operation
With the fuel shut-off valve set to OPEN, fuel flows from the fuel tank to the engine through these
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