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 47-00-00-864-005
(2) Do this task: Remove Pressure from the Pneumatic System, TASK 36-00-00-860-806.
(a) Make sure that the dual duct pressure gage shows 0.50 psig (3.45 kPa) in the left and
right pneumatic ducts.
SUBTASK 47-00-00-860-012
(3) Put the L PACK and R PACK selector switches, on the P5-10 air conditioning panel, to the OFF
position.
(a) Put DO-NOT-OPERATE tags on the L PACK and R PACK selector switches.
SUBTASK 47-00-00-010-006
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.
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.
(4) Open this access panel:
Number Name/Location
192CL ECS Access Door
(5) Go to the NGS shutoff valve location.
NOTE: The NGS shutoff valve is on the forward bulkhead of the left air conditioning
compartment.
SUBTASK 47-00-00-040-003
(6) Do these steps to lock the NGS shutoff valve:
(a) Make sure that the hole in the manual lock arm is aligned with the threaded boss on the
NGS shutoff valve body.
1) If the manual lock arm hole is not aligned, use a wrench to turn the manual locking
hex bolt clockwise until the hole in the manual lock arm aligns with the threaded
boss on the NGS shutoff valve body.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-00-00
Page 902
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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