TASK 47-43-01-400-801
3. Filter Differential Pressure Switch Installation
(Figure 401)
A. General
(1) The filter differential pressure switch is referred to as the pressure switch [1] in this procedure.
B. References
Reference Title
47-00-00-800-801 Ground Operation of the Nitrogen Generation System (P/B 201)
C. Consumable Materials
Reference Description Specification
G00034 Cotton Wiper - Process Cleaning Absorbent
Wiper (Cheesecloth, Gauze)
BMS15-5 Class A
G50135 Leak Detector - Liquid, Non-Corrosive Soap
Compound
MIL-PRF-25567
G50136 Compound - Corrosion Inhibiting, Non-drying
Paste
BMS3-38
D. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
1 Pressure switch 47-43-01-01-065 ILF 402, 451, 452, 503,
504, 508-510, 514, 516,
523-528, 541, 568, 569,
573-577, 581, 583, 585,
588-590, 592-599,
601-603, 606, 607,
610-615, 620, 625-627,
691-699, 832-835, 838,
854, 856, 971, 980-999
5 O-ring 47-43-01-01-060 ILF 402, 451, 452, 503,
504, 508-510, 514, 516,
523-528, 541, 568, 569,
573-577, 581, 583, 585,
588-590, 592-599,
601-603, 606, 607,
610-615, 620, 625-627,
691-699, 832-835, 838,
854, 856, 971, 980-999
E. Location Zones
Zone Area
131 Center Section Wing Box, Body Station 540.00 to Body Station 663.75 - Left
212 Flight Compartment - Right
F. Access Panels
Number Name/Location
192BL ECS Ram Air Inlet Mixing Duct Panel - Forward
G. Install the Pressure Switch
SUBTASK 47-43-01-090-001
(1) Remove the protective cap from the duct [6] and sense line [3].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-43-01
Page 406
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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