71-00-00
Power Plant
AMM
DA 40 Series
Detail Steps/Work Items Key Items/References
(32) Move the propeller control lever in the cockpit between MAX and MIN. The propeller control must be smooth in operation with no restrictions.
(33) Do a test for the correct operation of the propeller control. Refer to Section 61-20.
(34) Install the engine exhaust assembly: S Move the exhaust manifold into position on the cylinder head studs. S Install the eight washers and nuts on the cylinder head studs. S Tighten the nuts. Use new gaskets! Use new washers and nuts.
(35) Install the flexible hose between the cabin heat control valve and the exhaust heat exchanger: S Move the flexible hose into position. S Install and tighten the worm-drive clamps.
(36) Install the air inlet and cooling hoses for the oil cooler and generator: S Move the air inlet and hoses into position. S Attach the flexible hose to the generator cooling duct. S Install and tighten the worm-drive clamp at the generator cooling duct. S Attach the flexible hose to the oil cooler duct. S Install and tighten the worm-drive clamp at the oil cooler duct.
(37) Install the exhaust gas temperature probe: S Install the No. 1 cylinder sensor in the No. 1 exhaust manifold. S Install the worm-drive clamp. S Hold the cable in the correct position with cable ties and P-clamps. Do this item for each probe.
(38) Connect the electrical plugs to the left magneto and to the right magneto. Make sure the ignition switch is set to OFF.
71-00-00
AMM
DA 40 Series
Detail Steps/Work Items Key Items/References
(39) Install the spark plugs in the cylinder heads. Torque: 47.5 Nm (35 ft.lb).
(40) Install the left ignition harness: S Move the left ignition harness into position on the left magneto. S Install the three screws which attach the harness to the ignition. S Connect the ignition cables to the spark plugs. Make sure that the cap is seated correctly. Make sure that the ignition cables are connected to the correct plugs. Torque: Hand-tight then 1/16 to 1/8 turn with a wrench.
(41) Install the fairlead which holds the top left ignition cables in the cooling baffle: S Assemble the fairlead around the cable and to baffle. S Install the 2 screws, washers and nuts which attach the fairlead to the baffle.
(42) Install the right ignition harness: S Move the right ignition harness into position on the right magneto. S Install the three screws which attach the harness to the ignition. S Connect the ignition cables to the spark plugs. Make sure that the cap is seated correctly. Make sure that the ignition cables are connected to the correct plugs. Torque: Hand-tight, then 1/16 to 1/8 turn with a wrench.
71-00-00
Power Plant
AMM
DA 40 Series
Detail Steps/Work Items Key Items/References
(43) Install the fairlead which holds the top right ignition cables in the cooling baffle: S Assemble the fairlead around the cable and to baffle. S Install the 2 screws, washers and nuts which attach the fairlead to the baffle.
(44) Install the P-clamps which attach the ignition cables to the left side of the engine cooling air baffles. Make sure that the ignition cables can reach the spark plugs without strain.
(45) Install the P-clamps which attach the ignition cables to the right side of the engine cooling air baffles. Make sure that the ignition cables can reach the spark plugs without strain.
(46) Install the cable ties that hold the ignition cables to the left side of the engine mount.
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