Doc # 6.02.01 Page 203
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Detail Steps/Work Items Key Items/References
(12) Install the cables for the top spark plugs of No’s 2 and 4 cylinders: S Move the cables into position through the holes in the baffle. S Connect the spark plug cables to the spark plugs. Torque to 12.4 to 13.6 Nm (110 - 120 in.lb).
(13) Connect the airplane battery. Refer to Section 24-31.
(14) If necessary, for your airworthiness authority, do a second inspection of the mixture control system and the propeller control system.
(15) Install the engine cowlings. Refer to Section 71-10.
(16) Do an engine run-up. Refer to the DA 40 Airplane Flight Manual.
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% % % % % % % % % % % % % % % % % % % % % % % % % % % % % Figure 1: Liquid Cooling System Schematic Diagram %
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% Bypass Pipe
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% Bleed Points
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% % To Cabin-Heat Heat-Exchanger
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% Thermostat Valve with
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% Hot Coolant to Radiator
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AIRCRAFT
To Coolant Bypass Pipe
Coolant Tank with Coolant Level Sensor
Overflow Line
Radiator
Coolant Drain PlugCool Coolant from Radiator
DA 40 Series AMM
% Figure 2: Liquid Cooling System Installation %
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% 2. Description
% The engine has a water-based liquid cooling system. The liquid coolant is a mixture of distilled water % and antifreeze. Refer to the Airplane Flight Manual for approved coolants.
% The engine has an integral coolant pump. The coolant pump is located at the rear of the engine, below % the coolant tank. The flat-belt at the rear of the engine operates the coolant pump. An automatic % tensioner keeps the belt tension at the correct value. The coolant flows through passages inside the % crankcase and cylinder head and becomes hot. The coolant leaves the engine through a thermostat % valve at the top, front left of the crankcase.
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