SUBTASK 47-32-04-010-002
(2) Go to the NGS filter assembly [1] location.
NOTE: The NGS filter assembly [1] is aft of the Air Separation Module (ASM). The filter
bracket [2] is attached to the 41 beam.
SUBTASK 47-32-04-010-005
(3) To remove the ram air exhaust hose, do the steps to disconnect the flexible exhaust hose in
this task: Ram Air Valve Removal, TASK 47-32-05-000-801.
NOTE: You can remove the ram air exhaust duct to help remove the NGS filter assembly [1].
SUBTASK 47-32-04-020-001
(4) Do these steps to remove the NGS filter assembly [1].
(a) Remove the coupling [5] from between the NGS filter assembly [1] and the outlet duct [3].
1) Keep the coupling [5] for the installation.
2) Discard the two O-rings [4].
(b) Remove the coupling [8] from between the NGS filter assembly [1] and the inlet duct [9].
1) Keep the coupling [8] for the installation.
2) Discard the two O-rings [4].
(c) Hold the NGS filter assembly [1] in its position.
(d) Remove the three bolts [6], three washers [7] and three washers [10].
1) Keep the bolts [6], washers [7] and washers [10] for the installation.
(e) Remove the NGS filter assembly [1].
(f) Put protective covers on the ends of the outlet duct [3] and inlet duct [9].
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-32-04
Page 412
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 402, 452, 509, 510, 523, 525-528, 568, 569, 576, 577, 581, 583, 585, 588-590,
592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699, 833-835, 838, 971, 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, 451, 501-504, 507, 508, 512-514, 516, 518,
524, 531-533, 535-537, 541, 542, 552-556, 560-562, 567, 571-575, 671, 672, 686, 703,
707-710, 803-813, 821, 822, 831, 832, 836, 837, 841, 842, 851, 852, 854-858, 861-863,
871-874, 947, 948, 968-970, 972, 973 POST SB 737-47-1003
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