Text in force at CAR3-14: from CAR3-0, effective 1 Nov 1949. OCR text
(a) If fuel pumps are provided to maintain a supply of fuel to the engine, at least one pump for each engine shall be directly driven by the engine. Fuel pumps shall be adequate to meet the flow requirements of the applicable portions of §§ 3.433-3.436.
(b) Emergency fuel pumps shall be provided to permit supplying all engines with fuel in case of the failure of any one engine-driven pump, unless the engine-driven pumps have been approved with the engines, in which case emergency pumps need not be provided. Similarly, if an engine fuel injection pump which has been certificated as an integral part of the engine is used, an emergency pump will not be required. Emergency pumps shall be capable of complying with the same flow requirements as are prescribed for the main pumps. Hand emergency pumps shall not require excessive effort for their continued operation at the rate of 60 complete cycles (120 single strokes) per minute. Emergency pumps shall be available for immediate use in case of the failure of any other pump. LINES, FITTINGS, AND ACCESSORIES