Text in force at CAR3R-8: from CAR3R-2, effective 12 Aug 1957. OCR text
638.) (a) Fuel lines shall be installed and supported to prevent excessive vibration and to withstand loads due to fuel pressure and due to accelerated flight conditions. (bo) Fuel lines which are connected to components of the airplane between which relative motion could exist shall incorporate provisions for flexibility. (c) Provisions for flexibility in fuel lines which may be under pressure and subjected to axial loading shall employ flexible hose assemblies rather than hose-clamp connections, (da) Flexible hose shall be of an approved type or shall be shown to be suitable for the particular application. (e) Flexible hoses which might be adversely affected by exposure to high temperatures shall not be employed in locations where excessive temperatures will exist during operation or after engine shutdown, 15, By amending § 3.56 (a) to read as follows:
secs. 601, 603, 52 Stat. 1007, 1009, as amended; 49 U.S.C. 551, 553) . By the Civil Aeronautics Boards /e/ H.C, Mulligan (SEAL) M,C. Mulligan Fart 3 last printed May 15, 1956. Secretary ·