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 (Continued)
(Continued)
CAPT Electrical System Panel, P18-3
Row Col Number Name
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 47-42-03-010-001
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.
(2) Open this access panel:
Number Name/Location
192BL ECS Ram Air Inlet Mixing Duct Panel - Forward
F. Oxygen Sensor Removal Procedure
SUBTASK 47-42-03-923-001
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.
(1) Obey the Nitrogen Generation System (NGS) precautions (TASK 47-00-00-010-801).
SUBTASK 47-42-03-171-001
(2) Go to the oxygen sensor [5].
SUBTASK 47-42-03-030-001
(3) Disconnect the electrical connector from the oxygen sensor [5].
SUBTASK 47-42-03-030-003
CAUTION
KEEP THE OXYGEN SENSOR AND THE INLET TUBE CLEAN AND FREE OF
CONTAMINATION. CONTAMINATION CAN CAUSE DAMAGE TO THE
OXYGEN SENSOR.
(4) Loosen the coupling nut [3] that attaches the oxygen sensor inlet tube.
SUBTASK 47-42-03-030-004
CAUTION
KEEP THE OXYGEN SENSOR AND THE INLET TUBE CLEAN AND FREE OF
CONTAMINATION. CONTAMINATION CAN CAUSE DAMAGE TO THE
OXYGEN SENSOR.
(5) Disconnect the oxygen sensor inlet tube from the oxygen sensor [5].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-42-03
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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