FLAME ARRESTOR - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) Flame Arrestor Removal
(2) Flame Arrestor Installation
B. The flame arrestor is installed on the rear spar of the left side of the center tank. It acts like a
bulkhead fitting and requires one person in the center tank and one person in the wheel well to
replace it.
TASK 47-21-07-000-801
2. Flame Arrestor Removal
(Figure 401)
A. General
(1) Two persons are necessary to do this task.
B. References
Reference Title
20-30-93-910-801 Final Cleaning Prior to Fuel Tank Sealing (Series 93) (P/B 201)
28-11-00-300-803 Repair of Sealant Leaks in the Fuel Tank Structure (P/B 801)
28-11-00-910-802 Fuel Tank - Purging and Tank Entry (P/B 201)
28-11-31-000-801 Center Tank Access Door Removal (P/B 401)
47-00-00-010-801 Nitrogen Generation System (NGS) Precautions (P/B 201)
47-21-00-700-802 Drain Cap - Fuel Leak Check (P/B 601)
C. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-21-07
Page 401
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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