FWD
A
FWD
B
C
FWD
B
ECS RAM AIR
INLET MIXING
DUCT PANEL,
192BL
NITROGEN
GENERATION SYSTEM
THERMAL CONTROL
SYSTEM
THERMAL CONTROL SYSTEM
HEAT
EXCHANGER
RAM AIR
VALVE
FILTER DIFFERENTIAL
PRESSURE SWITCH
FILTER
CLAMP
(2 LOCATIONS)
RAM AIR VALVE
EXHAUST DUCT
1505956 S0000275062_V2
Filter Differential Pressure Switch
Figure 401/47-43-01-990-801 (Sheet 1 of 2)
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-43-01
Page 404
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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