F. Drain the Fluid from the NEADS Line
SUBTASK 47-21-00-941-001
(1) Go to the drain cap for the NEA distribution sytem.
NOTE: The drain cap is found below the air separation module (ASM).
SUBTASK 47-21-00-941-002
(2) Put the 1 quart (1 l) oil/fuel resistant container, STD-195, below the drain cap.
SUBTASK 47-21-00-010-004
(3) Remove the drain cap connected to the tee.
SUBTASK 47-21-00-616-002
(4) Collect the fluid from the NEADS line.
SUBTASK 47-21-00-790-011
(5) If there is no fluid in the container, the NEA distribution system is satisfactory.
SUBTASK 47-21-00-790-012
(6) If there was fluid in the NEADS line, do this task: NEADS - Air Pressure Leak Check,
TASK 47-21-00-700-804.
G. Put the Airplane Back to the Usual Condition
SUBTASK 47-21-00-430-001
(1) Attach the drain cap to the tee.
SUBTASK 47-21-00-410-001
(2) Close this access panel:
Number Name/Location
192BL ECS Ram Air Inlet Mixing Duct Panel - Forward
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-21-00
Page 602
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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