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(7) Refuel the airplane. Refer to Section 12-10.
(8) Do a test for fuel leaks from the connections
which you have made.
(9) Install the access panel under the fuselage
around the gascolator drain valve.
Refer to Section 52-40.
(10) Install the left pilot's seat. Refer to Section 25-10.
(11) Do an engine ground run-up. Make sure that the
the fuel system operates correctly.
AIRCRAFT
Fuel System
DA 40 Series
AMM
Page 204
20 Sep 2007 28-21-00 Doc # 6.02.01
Rev. 5
3. Remove/Install the Gascolator Filter
Obey the safety precautions for fuel at all times.
A. Remove the Gascolator Filter
Detail Steps/Work Items Key Items/References
(1) Set the emergency fuel valve to OFF.
(2) Remove the access panel under the fuselage
around the gascolator drain valve.
Refer to Section 52-40.
(3) Drain the fuel from the gascolator drain valve. Use a suitable container.
(4) Loosen the retaining ring which holds the
gascolator filter bowl to the gascolator.
Remove the lock-wire from the retaining
ring.
Hold the filter bowl!
(5) Lower the filter bowl clear of the gascolator and
remove the filter.
Discard the seal if it is damaged.
AIRCRAFT
DA 40 Series
AMM
Fuel System
Doc # 6.02.01
Rev. 5 28-21-00 Page 205
20 Sep 2007
B. Install the Gascolator Filter
Detail Steps/Work Items Key Items/References
(1) Put the filter into position in the gascolator,
tighten filter hand tight.
(2) Install a new seal in the filter bowl.
(3) Install the filter bowl:
S Move the filter bowl into position onto the
gascolator.
S Align the arrow marks on the filter bowl with
the marks on the gascolator.
S Tighten the retaining ring which holds the
filter bowl in position.
S Secure retaining ring with lock-wire.
Make sure that the seal is correctly
positioned.
(4) Do a test for leaks of the gascolator filter bowl:
S Make sure that there is fuel in the left tank.
S Set the emergency fuel valve to NORMAL.
S Examine the gascolator bowl for leaks.
S Set the emergency fuel valve to OFF.
(5) Install the access panel under the fuselage
around the gascolator drain valve.
Refer to Section 52-40.
AIRCRAFT
Fuel System
DA 40 Series
AMM
Page 206
20 Sep 2007 28-21-00 Doc # 6.02.01
Rev. 5
4. Remove/Install the Fuel Transfer Pump
Obey the safety precautions for fuel at all times.
A. Remove the Fuel Transfer Pump
Detail Steps/Work Items Key Items/References
(1) Defuel the airplane. Refer to Section 12-10.
(2) Pull the circuit-breaker for the transfer pump. Instrument panel, left side.
(3) Remove the nose landing gear strut fairing (if
installed).
S Remove the bolts, nuts and washers at the
trailing edge.
S Remove the bolts, nuts and washers from the
support bracket at the forward bottom side of
the cover.
S Move the strut fairing clear of the airplane.
(4) Remove the access panel under the fuselage
around the gascolator drain valve.
Refer to Section 52-40.
(5) Drain the fuel from the gascolator drain valve. Use a suitable container.
(6) Disconnect the electrical cable for the transfer
pump.
At the in-line connector.
(7) Disconnect the flexible hose which connects the
transfer pump to the check valve at the T-piece.
At the fuel pump. Put caps on the
connections.
(8) Disconnect the flexible hose which connects the
fuel pump to the T-piece in the return line.
At the fuel pump. Put caps on the
connections.
(9) Remove the fuel pump:
S Release the bolts and washers from the fuel
pump clamps.
S Open each clamp and move the bonding
cable and the pump clear of the clamps and
away from the airplane.
Hold the fuel pump! Hold the bonding
cable that connects the clamps.
AIRCRAFT
DA 40 Series
AMM
Fuel System
Doc # 6.02.01
Rev. 5 28-21-00 Page 207
20 Sep 2007
B. Install the Fuel Transfer Pump
Detail Steps/Work Items Key Items/References
(1) Move the fuel transfer pump into position in the
mounting clamps.
Hold the fuel transfer pump.
(2) Install the fuel transfer pump:
S Put a washer onto each attaching bolt.
S Install the bolts through the clamps and into
the pump mounting.
S Position the bonding cable which connects
the two clamps.
S Tighten the bolts.
(3) Connect the electrical cable to the fuel transfer
pump.
At the in-line connector.
(4) Install the flexible hose which connects the fuel
transfer pump to the T-piece in the return line.
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