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AMM
3. Remove/Install the Fuel 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 fuel selector valve to OFF.
(2) Drain the fuel from the gascolator drain valve. Use a suitable container.
(3) Remove the access panel under the fuselage around the gascolator drain valve. Refer to Section 52-40.
(4) Loosen the retaining ring which holds the gascolator filter bowl to the gascolator. Hold the filter bowl!
(5) Lower the filter bowl clear of the gascolator and remove the filter. Discard the seal if it is damaged.
B. Install the Gascolator Filter
Detail Steps/Work Items Key Items/References
(1) Put the filter into position in the filter bowl.
(2) Install a new seal onto the top of 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. Make sure that the seal is correctly positioned.
Page 204 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
(5) Do a test for leaks of the gascolator filter bowl: S Set the airplane ALT/BATT switch to ON. S Set the electric fuel pump to ON. S Set the fuel selector valve to LEFT or RIGHT. S Examine the gascolator bowl for leaks. S Set the selector valve to OFF. S Set the electric fuel pump to OFF. S Set the airplane ALT/BATT switch to OFF, Select tank with more fuel.
(6) Install the access panel under the fuselage around the gascolator drain valve. Refer to Section 52-40.
4. Remove/Install the Electric Fuel Pump (Booster Pump)
Obey the safety precautions for fuel at all times.
A. Remove the Electric Fuel Pump
Detail Steps/Work Items Key Items/References
(1) Set the fuel selector valve to OFF.
(2) Pull the circuit-breaker for the electric fuel pump. Instrument panel, right side.
(3) Drain the fuel from the gascolator drain valve. Use a suitable container.
(4) Remove the access panel under the fuselage around the gascolator drain valve. Refer to Section 52-40.
(5) Disconnect the electrical cable for the electric fuel pump. At the in-line connector.
(6) Disconnect the flexible hose which connects the fuel pump to the gascolator. At the fuel pump. Put caps on the connections.
(7) Disconnect the flexible hose which connects the fuel pump to the firewall connector. At the fuel pump. Put caps on the connections.
Doc # 6.02.01 Page 205
Rev. 4 09 Jan 2003
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AMM
Detail Steps/Work Items Key Items/References
(8) Remove the fuel pump: S Release the bolt and washer from the fuel pump clamp. S Open the clamp and move the pump clear of the clamp and away from the airplane. Hold the fuel pump!
B. Install the Electric Fuel Pump
Detail Steps/Work Items Key Items/References
(1) Move the fuel pump into position in the mounting clamp. Hold the fuel pump.
(2) Install the fuel pump: S Put the washer onto the attaching bolt. S Install the bolt through the clamp and into the mounting pump mounting. S Tighten the bolt.
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