ILF 402, 452, 509, 510, 523, 525-528, 576, 577, 971; 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
(Continued)
(Continued)
CAPT Electrical System Panel, P18-3
Row Col Number Name
ILF 568, 569, 581, 583, 585, 588-590, 592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699,
833-835, 838, 980-999; ILF 567, 973 POST SB 737-47-1003
D 17 C01657 NITROGEN GENERATION CONTROL
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
E 15 C01680 NGS ALT PWR
SUBTASK 47-32-04-020-002
(4) Open this access panel:
Number Name/Location
192BL ECS Ram Air Inlet Mixing Duct Panel - Forward
SUBTASK 47-32-04-910-002
WARNING
DO NOT TOUCH THE COMPONENTS OF THE NITROGEN GENERATION
SYSTEM WHEN THEY ARE HOT. WHEN THE COMPONENTS ARE HOT,
THEY CAN CAUSE INJURIES TO PERSONNEL.
WARNING
DO NOT DISCONNECT THE COMPONENTS OF THE NITROGEN
GENERATION SYSTEM, OR DUCTS WHEN THE SYSTEM IS PRESSURIZED.
THE HOT, HIGH-PRESSURE AIR CAN CAUSE INJURIES TO PERSONNEL,
AND DAMAGE TO EQUIPMENT.
CAUTION
MAKE SURE THAT THE MAINTENANCE AREA IS FREE OF CONTAMINATION
FROM SKYDROL, LUBRICANTS, SOLVENTS, FUEL, FUMES, EXHAUST, OR
DUST. DO NOT LET SOLVENTS, LUBRICANTS, OTHER FLUIDS, OR THEIR
FUMES GO INTO THE FLOW PATH TO OR FROM THE AIR SEPARATION
MODULE. CONTAMINATION WILL CAUSE DAMAGE TO THE FIBERS IN THE
AIR SEPARATION MODULE AND DECREASE THEIR LIFE.
(5) Obey the Nitrogen Generation System (NGS) precautions (TASK 47-00-00-010-801).
SUBTASK 47-32-04-080-001
(6) Go to the NGS filter assembly [1] location.
NOTE: The NGS filter assembly [1] is aft-inboard from the Air Separation Module (ASM). The
filter bracket [2] is attached to the 41 beam.
SUBTASK 47-32-04-000-001
(7) Remove the lower anti-collision light power supply (TASK 33-44-02-960-804).
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-32-04
Page 402
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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