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28-31-00 ALL ú ú 01 Page 504 ú Oct 10/91 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL S 865-004 (3) Make sure that all the FUEL CONTROL switches on the control stand are set to the CUTOFF position.
(4) Make sure all of the override/jettison pump switches on the fuel management control module, (P5 pilots' overhead panel) are off (the white ON indication light in each pump switch does not show).
(5) Make sure all of the crossfeed valve switches on the fuel management control module (P5 pilots' overhead panel) are off (the white flowbar indication light in each crossfeed valve switch does not show).
(6) Make sure that the FUEL JETTISON control selector switch on the fuel jettison module, (P5 pilots' overhead panel) is in the OFF position.
F. Fuel Jettison Control Card Operational Test
S 865-012 (1) Use one of these two procedures to start the fuel jettison control card A and B BITE:
(a) Open these circuit breakers for a minimum of 5 minutes:
NOTE: If you close the circuit breakers after a five minute ____ power interruption, fuel jettison control card A and B BITE will start. 1) On the main power distribution panel, P6: a) 6C17, FUEL JTSN CONT B b) 6D17, FUEL JTSN CONT A (b) Or, ground the FJCC A and FJCC B jacks found on the front of the M7852 fuel system card file. NOTE:____This procedure starts the BITE immediately. It is not necessary to stop for five minutes. EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-31-00 ALL ú ú 01 Page 505 ú Feb 10/97 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL S 745-014 (2) Make sure these EICAS messages do not show on the top EICAS display: (a) FUEL JETT SYS (CAUTION) (b) FUEL JETT A (ADVISORY) (c) FUEL JETT B (ADVISORY) S 865-095 (3) Push the STAT button on the EICAS display select module. S 215-096 (4) Make sure these messages are not shown on the bottom EICAS display: (a) FUEL JETT A (STATUS) (b) FUEL JETT B (STATUS) S 745-015 (5) Get access to the CMC menu from the CDU. S 745-016 (6) Set <EXISTING FAULTS from the CMC menu. S 745-017 (7) Set <28 FUEL and make sure these fault messages are not shown: (a) 28607 FJCC A - EIU BUS FAIL (b) 28608 FJCC B - EIU BUS FAIL (c) 28617 FJCC A FAIL OR FQIS B>FJCC A BUS FAIL (d) 28618 FJCC B FAIL OR FQIS A>FJCC B BUS FAIL (e) 28665 FUEL JETTISON CONTROL CARD A FAIL (f) 28666 FUEL JETTISON CONTROL CARD B FAIL (g) 28700 FJCC A POTENTIOMETER INPUT FAIL (h) 28701 FJCC B POTENTIOMETER INPUT FAIL S 865-086
WARNING: MAKE SURE THE WHITE ON INDICATION LIGHT IN EACH JETTISON _______ NOZZLE VALVE SWITCH DOES NOT SHOW. A WHITE ON INDICATION LIGHT SHOWS THAT THE NOZZLE VALVES ARE OPEN. IF THE FUEL JETTISON NOZZLE VALVES ARE OPEN, FUEL CAN FLOW FROM THE WING TIPS AT THE JETTISON NOZZLES. A FUEL LEAK CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT. (8) Make sure the FUEL JETTISON L-NOZZLE and NOZZLE-R switches on the fuel jettison module (P5 pilots' overhead panel) are closed (the white ON indication light in each switch does not show). EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-31-00 ALL ú ú 01 Page 506 ú Jun 10/94 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL S 865-085 WARNING:_______ MAKE SURE THESE CIRCUIT BREAKERS ARE OPEN AND DO-NOT-CLOSE TAGS ARE ATTACHED. FAILURE TO OPEN THESE CIRCUIT BREAKERS COULD CAUSE A FUEL LEAKAGE. A FUEL LEAK CAN CAUSE A DANGEROUS
CONDITION FOR EQUIPMENT AND PERSONS. (9) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) On the main power distribution panel, P6: 1) 6C18, JTSN NOZZLE VLV CONT R 2) 6D18, JTSN NOZZLE VLV CONT L www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 燃油 FUEL 4
