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 47-42-02-010-004
WARNING
OBEY THE SUBSEQUENT STEPS FOR ACCESS PANELS IDENTIFIED WITH
A NITROGEN GENERATION SYSTEM PLACARD. IF THERE IS A LEAK IN THE
NITROGEN GENERATION SYSTEM, IT WILL DECREASE THE OXYGEN IN
THE AIR THAT YOU BREATHE. IF YOU BREATHE AIR THAT DOES NOT HAVE
SUFFICIENT OXYGEN, DANGEROUS HEALTH CONDITIONS CAN QUICKLY
OCCUR.
(4) Open these access panels:
Number Name/Location
192BL ECS Ram Air Inlet Mixing Duct Panel - Forward
192CR ECS Access Door
SUBTASK 47-42-02-020-001
(5) Remove the high flow valve (TASK 47-11-02-000-801).
F. Remove the Pressure Sensor
SUBTASK 47-42-02-941-001
(1) Put the high flow valve on a clean surface.
SUBTASK 47-42-02-030-003
(2) Loosen the sense line nut to disconnect the sense line [2] from the pressure sensor [1].
NOTE: The nut will stay with the sense line [2].
NOTE: Make sure you support the sense line [2] when you disconnect the nut.
SUBTASK 47-42-02-030-004
(3) Disconnect the nut [5] on the tube assembly [4].
NOTE: The nut will stay with the tube assembly [4].
NOTE: Use a second wrench on the pressure sensor [1] when you disconnect the nut [5].
SUBTASK 47-42-02-020-002
(4) Remove the jamnut [6] that holds the pressure sensor [1] to the bracket.
(a) Keep the jamnut [6] for the installation.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-42-02
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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