Fuel system.

CFR · 2024-01-01 · US · Title 14

(a) With fuel supplied to the engine at the flow and pressure specified by the applicant, the engine must function properly under each operating condition required by this part. Each fuel control adjusting means that may (b) There must be a fuel strainer or filter between the engine fuel inlet opening and the inlet of either the fuel metering device or the engine-driven positive displacement pump whichever is nearer the engine fuel inlet. In addition, the following provisions apply to each strainer or filter required by this paragraph (b): (1) It must be accessible for draining and cleaning and must incorporate a screen or element that is easily removable. (2) It must have a sediment trap and drain except that it need not have a drain if the strainer or filter is easily removable for drain purposes. (3) It must be mounted so that its weight is not supported by the connecting lines or by the inlet or outlet connections of the strainer or filter, unless adequate strength margins under all loading conditions are provided in the lines and connections. (4) It must have the type and degree of fuel filtering specified as necessary for protection of the engine fuel system against foreign particles in the fuel. The applicant must show: (i) That foreign particles passing through the specified filtering means do not impair the engine fuel system functioning; and (ii) That the fuel system is capable of sustained operation throughout its flow and pressure range with the fuel initially sat

official document · source cfr-2024 · id 14:§ 33.67