(Continued)
Reference Description
SPL-11507 Sense Line - Use with Oxygen Analyzer Model 111B
737-600, -700, -800
Part #: H24004-124-5 Supplier: 11362
D. Location Zones
Zone Area
131 Center Section Wing Box, Body Station 540.00 to Body Station 663.75 - Left
133 Main Landing Gear Wheel Well, Body Station 663.75 to Body Station 727.00 - Left
134 Main Landing Gear Wheel Well, Body Station 663.75 to Body Station 727.00 - Right
211 Flight Compartment - Left
212 Flight Compartment - Right
E. Access Panels
Number Name/Location
192BL ECS Ram Air Inlet Mixing Duct Panel - Forward
192CL ECS Access Door
192DR ECS High Pressure Access Door
F. Prepare for the Functional Test of the Nitrogen Generation System
SUBTASK 47-00-00-040-005
(1) Do this task: Ground Operation of the Nitrogen Generation System, TASK 47-00-00-800-801.
SUBTASK 47-00-00-790-012
(2) Do a fuel leak check for the NEADS line (TASK 47-21-00-700-802).
SUBTASK 47-00-00-010-011
(3) Open this access panel:
Number Name/Location
192CL ECS Access Door
G. Prepare the Oxygen Analyzer for the Test (If Used)
NOTE: When you do the nitrogen-enriched air (NEA) purity check, there is the option to use the
oxygen concentration shown on the BDU or the oxygen concentration shown by the oxygen
analyzer, COM-7456.
SUBTASK 47-00-00-720-016
(1) Read and obey the procedures supplied with the oxygen analyzer, COM-7456, and sense line,
SPL-11507.
SUBTASK 47-00-00-720-017
(2) Make sure the oxygen analyzer, COM-7456, is calibrated and the batteries are charged.
SUBTASK 47-00-00-720-018
(3) Connect the oxygen analyzer, COM-7456, and sense line, SPL-11507.
(a) Connect the sense line, SPL-11507, to the SAMPLE IN port.
(b) Make sure that the SAMPLE OUT exhaust port and vent are not blocked.
NOTE: You will get an incorrect oxygen value if the exhaust port or the vent is blocked.
(c) Set up a platform adjacent to the ECS pack compartment.
(d) Make sure that the platform is not below the opening for the ECS pack compartment.
(e) Attach the oxygen analyzer, COM-7456, to the platform.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-00-00
Page 502
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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,
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