E. Access Panels
Number Name/Location
192BL ECS Ram Air Inlet Mixing Duct Panel - Forward
192CR ECS Access Door
F. Install the Temperature Sensor
SUBTASK 47-43-03-090-001
(1) Remove the protective cap.
SUBTASK 47-43-03-640-001
(2) Lubricate the new o-ring [3] with water.
SUBTASK 47-43-03-430-003
(3) Install the o-ring [3] on the temperature sensor [2].
SUBTASK 47-43-03-420-001
(4) Install the temperature sensor [2] in its position.
NOTE: Use a second wrench on the nut attached to the duct [4] when you tighten the
temperature sensor [2].
(a) Tighten the temperature sensor [2] to 80 ±8 in-lb (9.0 ±0.9 N·m).
SUBTASK 47-43-03-430-001
(5) Put a lockwire on the temperature sensor [2] and the duct [4] (TASK 20-10-44-400-801).
SUBTASK 47-43-03-430-002
(6) Connect the electrical connector [1] to the temperature sensor [2].
SUBTASK 47-43-03-210-001
(7) Make sure that there is a shield band on the electrical connector [1].
(a) If there is no shield band, install a shield band on the electrical connector [1] (SWPM
20-25-14 and SWPM 20-25-15).
(b) If the shield band is damaged, repair the shield band (SWPM 20-25-14 and SWPM
20-25-15).
G. Operational Test of the Temperature Sensor
SUBTASK 47-43-03-865-002
(1) Remove the safety tags and close these circuit breakers:
CAPT Electrical System Panel, P18-3
Row Col Number Name
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
D 17 C01657 NITROGEN GEN CONT
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
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-43-03
Page 407
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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