76-00-00
Engine Controls
AMM
B. Mixture Control Range of Movement Test
DA 40 Series
Detail Steps/Work Items Key Items/References
WARNING: DO NOT STAND WITHIN THE DANGER AREA OF THE PROPELLER IF THE ENGINE STARTS, THE PROPELLER CAN CAUSE DEATH OR INJURY TO PERSONS. WARNING: YOU MUST MAKE SURE THAT THE ENGINE IS SAFE BEFORE YOU DO WORK ON THE ENGINE CONTROLS. IF THE PROPELLER TURNS IT CAN CAUSE INJURY TO PERSONS.
(1) 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
(2) Remove the engine cowlings. Refer to Section 71-10.
(3) Disconnect the airplane battery. Refer to Section 24-31.
(4) Disconnect the spark plug cables from the spark plugs.
(5) Move the mixture control lever between RICH and LEAN CUT-OFF. S Make sure the lever moves freely with no restrictions.
(6) Set the mixture control lever to RICH and hold it in position. S Make sure that the mixture lever at the injector hits the stop. If necessary, adjust the Bowden cable outer sheath at the support bracket at the bottom of the engine. With the mixture lever on the stop at the injector, there must be at least 3 mm (0.125 in) clearance (bounce) between the lever in the engine control assembly and the cover plate.
(7) Set the throttle control lever to LEAN CUT-OFF and hold it in position: S Make sure that the mixture lever at the injector hits the CUT-OFF stop. If necessary, adjust the Bowden cable outer sheath at the support bracket at the bottom of the engine. With the mixture lever on the LEAN CUT-OFF stop at the injector, there must be at least 3 mm (0.125 in) clearance (bounce) between the lever in the engine control assembly and the cover plate.
Doc # 6.02.01 Page 215
Rev. 4 09 Jan 2003
76-00-00
AMM
DA 40 Series
Detail Steps/Work Items Key Items/References
(8) Move the mixture control lever between RICH and LEAN CUT-OFF: S Make sure that the lever moves freely with no restriction.
(9) Do items 6 - 8 again as necessary to get the correct values.
(10) Do an inspection of the control connections which you disconnected. If necessary for your airworthiness authority, do a second inspection of the controls.
(11) Install the cables to the spark plugs. Torque to 12.4 to 13.6 Nm (110 - 120 in.lb).
(12) Connect the airplane battery. Refer to Section 24-31.
(13) Install the engine cowlings. Refer to Section 71-10.
(14) Do an engine test. Refer to the DA 40 Airplane Flight Manual.
76-00-00
Engine Controls
AMM
% Section 76-01 % Engine Controls - TAE 125 Diesel Engine % 1. General
% This Section tells you about the DA 40 with the TAE 125 Diesel engine installed. The system has only % one control lever. An electrical cable connects the power lever to the engine control system.
% This Section gives you data on the power lever installation. Refer to Section 73-01 for data on the % engine control system. You cannot repair the engine control system except to replace the power lever.
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