(Continued)
AMM Item Description AIPC Reference AIPC Effectivity
1 (cont.) 47-21-05-01A-020 ILF 402, 451, 452,
496-500, 503, 504,
508-510, 514, 516, 523,
524, 528, 533, 535, 541,
560-564, 567-569,
573-577, 581, 583, 585,
588-590, 592-599,
601-603, 606, 610, 671,
672, 691-696, 832,
854-856, 861-863,
871-874, 948, 968-973,
980-999
6 Gasket 47-21-05-01-025 ILF 494, 495, 857, 858,
947
47-21-05-01A-025 ILF 606, 695, 696
F. Location Zones
Zone Area
633 Right Wing - Surge Tank, Rib 22 to Rib 25, Wing Station 643.50 to Wing Buttock
Line 616.75
G. Access Panels
Number Name/Location
633AB Surge Tank Access Door - Wing Station 655
H. Prepare for the Installation
SUBTASK 47-21-05-010-003
WARNING
DO ALL THE SAFETY PROCEDURES TO DEFUEL THE TANK AND TO GO
INTO IT. INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR
IF YOU DO NOT FOLLOW THE SAFETY PROCEDURES.
WARNING
DO NOT BREATHE THE AIR FROM THE FUEL TANK UNTIL YOU MAKE IT
SAFE. THE NITROGEN GENERATION SYSTEM DECREASES THE OXYGEN
IN THE AIR. IF YOU BREATHE AIR THAT DOES NOT HAVE SUFFICIENT
OXYGEN, DANGEROUS HEALTH CONDITIONS CAN QUICKLY OCCUR.
DANGEROUS HEALTH CONDITIONS INCLUDE NAUSEA,
UNCONSCIOUSNESS, AND CONVULSIONS. IF THE OXYGEN LEVEL OF
THE AIR THAT YOU BREATHE IS VERY LOW, IT CAN KILL YOU.
(1) Go into the right surge tank (TASK 28-11-00-910-802).
(a) Go to the cross vent check valve [1] location.
SUBTASK 47-21-05-765-001
(2) Prepare the faying surfaces of these components for a mating surface bond (SWPM
20-20-00):
(a) cross vent check valve [1]
(b) vent channel
(c) new gasket [6]
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-21-05
Page 407
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 402, 451, 452, 494-500, 503, 504, 509, 510, 514, 523-528, 541, 560-564, 567-569, 574-577, 581, 583, 585,
588-590, 592-599, 601-603, 606, 607, 610-615, 620, 625-627, 671, 672, 691-699, 832-835, 838, 856-858, 947,
948, 968-973, 980-999; ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 405,
406, 409, 410, 412, 416, 424, 425, 427-429, 501, 502, 507, 508, 512, 513, 516, 518, 531-533, 535-537, 542,
552-556, 571-573, 686, 703, 707-710, 803-813, 821, 822, 831, 836, 837, 841, 842, 851, 852, 854, 855, 861-863,
871-874 POST SB 737-47-1002 OR POST SB 737-47-1003 OR POST SB 737-47-1015; ILF 491-493, 515,
519, 520, 530, 557, 559 POST SB 737-47-1002 OR POST SB 737-47-1015
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