26-11-00
ALL ú ú 03 Page 206 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 962-027
(2) Find the connector shown below, on the fire detector card file, M826 and make the wire change for the engine position being changed. Detector Engine_______________ Connector ________ To Pin
_________ From Pin ______
Engine 1 DW3201A A4 A3
DW3207C C15 C13
Engine 2 DW3202E E10 E9
DW3208D D10 D9
Engine 3 DW3203A A4 A3
DW3209C C15 C13
Engine 4 DW3204E E10 E9
DW3210D D10 D9
S 422-030
(3) Install a jumper at pin 19 of the control cards for the effected engine.
NOTE: Use the extended tool, G26004-36 as an alternate method to
____
access to pin inside the M826 panel.
S 482-031
(4) Connect the multimeter from the engine strut connector, using the pins on the disconnect panel AW0305 shown in the table below, to the airplanes structure.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-11-00
ALL ú ú 03 Page 207 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
~............................................................. | ENGINE | FROM PIN LOC IN M826 | TO PIN LOC ON AW0305 | | POSITION .................................................. | | CONNECTOR | PIN | CONNECTOR | PIN | ............................................................... | 1 | A001 | 19 | D8515J | 16 | | | A002 | 19 | D8416J | 3 | | | A004 | 19 | D8515J | 18 | | | A005 | 19 | D8416J | 4 | ............................................................... | 2 | A006 | 19 | D8525J | 16 | | | A007 | 19 | D8426J | 3 | | | A009 | 19 | D8525J | 18 | | | A010 | 19 | D8426J | 4 | ............................................................... | 3 | A011 | 19 | D8535J | 16 | | | A012 | 19 | D8436J | 3 | | | A014 | 19 | D8535J | 18 | | | A015 | 19 | D8436J | 4 | ............................................................... | 4 | A016 | 19 | D8545J | 16 | | | A017 | 19 | D8446J | 3 | | | A019 | 19 | D8545J | 18 | | | A020 | 19 | D8446J | 4 | 2............….............…..........…..............…........1
S 862-032
(5) Make sure the resistance between the pins on M826 panel and pins on the AW0305 disconnect panel, shown in the table, is not more than
0.008 ohms.
S 082-033
(6)
Remove the multimeter.
(7)
Remove the jumper from pin 19 of the control card.
S 422-035
(8)
Install the control cards for the affected engine (AMM 26-10-01/401).
-
Set # 1 for engine 1: YLPA001, YLPA002, YLPA004, YLPA005
-
Set # 2 for engine 2: YLPA006, YLPA007, YLPA009, YLPA010
-
Set # 3 for engine 3: YLPA011, YLPA012, YLPA014, YLPA015
-
Set # 4 for engine 4: YLPA016, YLPA017, YLPA019, YLPA020
S 022-034
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-11-00
ALL ú ú 03 Page 208 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 862-036
(9) Close these circuit breakers.
(a) P6 Main Power Distribution Panel 1) 6C1 ALTN PWR ENG FIRE/OVHT DET LOOP A ENG 1 2) 6C2 ALTN PWR ENG FIRE/OVHT DET LOOP A ENG 2 3) 6C3 ALTN PWR ENG FIRE/OVHT DET LOOP A ENG 3 4) 6C4 ALTN PWR ENG FIRE/OVHT DET LOOP A ENG 4 5) 6G10 ENG FIRE/OVHT DET ENG 2 LOOP A 6) 6G11 ENG FIRE/OVHT DET ENG 2 LOOP B 7) 6G12 ENG FIRE/OVHT DET ENG 4 LOOP A 8) 6G13 ENG FIRE/OVHT DET ENG 4 LOOP B 9) 6H10 ENG FIRE/OVHT DET ENG 1 LOOP A 10) 6H11 ENG FIRE/OVHT DET ENG 1 LOOP B 11) 6H12 ENG FIRE/OVHT DET ENG 3 LOOP A 12) 6H13 ENG FIRE/OVHT DET ENG 3 LOOP B
S 712-037
(10) Do the engine fire and overheat detection operational test (AMM 26-11-00/501).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
中国航空网 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 防火 FIRE PROTECTION 1(25)
